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Articles de revues sur le sujet « Work coherence »

Auteur : Grafiati

Publié le 9 mars 2023

Mis à jour le 31 juillet 2025

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1

Li, Hai, Xiaosong Liu, and Yaming Hao. "Enhancing the work extraction of the entanglement engine via quantum coherence." E3S Web of Conferences 441 (2023): 03002. http://dx.doi.org/10.1051/e3sconf/202344103002.

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Studying the relationship between quantum coherence and energy is an intriguing and vital subject in quantum thermodynamics. Quantum engine provides an excellent platform to emphasize it. By constructing a bipartite entanglement engine (BEE) model consisting of a single qubit as the target qubit and a two-qubit as the ancilla, we have investigated the influence of quantum coherence of ancilla on work extraction of BEE at length, and analytically calculated the extractable work of BEE for the ancilla with quantum coherence (QC). We found that the extractable work of BEE is not only dependent on

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Hammerness, Karen. "From Coherence in Theory to Coherence in Practice." Teachers College Record: The Voice of Scholarship in Education 108, no. 7 (2006): 1241–65. http://dx.doi.org/10.1177/016146810610800704.

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Historically, one of the central concerns that has plagued the field of teacher education is the observation that fragmentation characterizes the experience of learning to teach. Too often, university-based teacher education programs consist of a set of disconnected individual courses; separate clinical work from coursework; and lack a vision of teaching and learning. Therefore, some teacher educators have argued that creating structurally and conceptually coherent programs will result in more powerful learning for prospective teachers. Yet, although empirical work on such programs is growing,

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Ghosh, Arnab, David Gelbwaser-Klimovsky, Wolfgang Niedenzu, et al. "Two-level masers as heat-to-work converters." Proceedings of the National Academy of Sciences 115, no. 40 (2018): 9941–44. http://dx.doi.org/10.1073/pnas.1805354115.

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Heat engines, which cyclically transform heat into work, are ubiquitous in technology. Lasers and masers may be viewed as heat engines that rely on population inversion or coherence in the active medium. Here we put forward an unconventional paradigm of a remarkably simple and robust electromagnetic heat-powered engine that bears basic differences to any known maser or laser: The proposed device makes use of only one Raman transition and does not rely on population inversion or coherence in its two-level working medium. Nor does it require any coherent driving. The engine can be powered by the

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Permatasari, Chindy Yulia, and Safnil Arsyad. "Coherence Analysis of Reading Texts in English Textbooks for Class X SMA "Work in Progress" Published by Ministry of Education and Culture of the Republic of Indonesia." Journal of English for Specific Purposes in Indonesia 2, no. 1 (2023): 59–66. http://dx.doi.org/10.33369/espindonesia.v1i2.26130.

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In teaching English at school, the teacher uses textbooks as reference material and carries out the process of learning English. Textbooks have an essential role in getting information and knowledge. Thus, text can be good when the text has coherence. When the text is coherent, it will make it easier for students to understand the text. This research aimed to determine the type and level of coherence used in reading texts in the book 'Work in Progress' for class X high school students Published by KEMENDIKBUD in 2022. This research used a quantitative approach. Based on the results of analysis

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Mingo, Erick Hinds, and David Jennings. "Decomposable coherence and quantum fluctuation relations." Quantum 3 (November 11, 2019): 202. http://dx.doi.org/10.22331/q-2019-11-11-202.

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In Newtonian mechanics, any closed-system dynamics of a composite system in a microstate will leave all its individual subsystems in distinct microstates, however this fails dramatically in quantum mechanics due to the existence of quantum entanglement. Here we introduce the notion of a `coherent work process', and show that it is the direct extension of a work process in classical mechanics into quantum theory. This leads to the notion of `decomposable' and `non-decomposable' quantum coherence and gives a new perspective on recent results in the theory of asymmetry as well as early analysis i

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Zhang, Ruihui, Ming Zhang, Zhen Dong, Fei Wang, Yangjian Cai, and Yahong Chen. "Synthesis of Robust Full Poincaré Polarization States via Spatial Coherence Engineering." Photonics 11, no. 4 (2024): 286. http://dx.doi.org/10.3390/photonics11040286.

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The full Poincaré (FP) beam, encompassing all possible polarization states in its beam cross-section, has demonstrated advantages in various applications. However, conventional FP beams are typically considered as spatially fully coherent, rendering them sensitive to disturbances in the propagation path and susceptible to speckle effects. In this work, we propose an alternative approach to synthesize the optical beam with a FP polarization state through the spatial coherence engineering of a partially coherent beam. In this process, the FP polarization state is initially encoded into the spati

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Li, Shuang, Jia-Dong Shi, Wen-Yang Sun, Dong Wang, and Liu Ye. "Coherence of two-level atoms within cavity QED." Modern Physics Letters B 31, no. 35 (2017): 1750330. http://dx.doi.org/10.1142/s0217984917503304.

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In this work, we investigate the dynamics of the coherence of two atoms trapped in one cavity with resonance and large detuned characters, respectively. By means of tracing over the freedom of the cavity, the evolution coherent state can be obtained. Subsequently, the coherence within the two different scenarios is discussed. Remarkably, an interesting result is obtained as the coherence can be enhanced to a large extent in the framework of large detuning. Besides, we find that there exists a distinctive phenomenon of recovery of the coherence with the interaction time of atom–cavity.

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Díaz, María García, Giacomo Guarnieri, and Mauro Paternostro. "Quantum Work Statistics with Initial Coherence." Entropy 22, no. 11 (2020): 1223. http://dx.doi.org/10.3390/e22111223.

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The two-point measurement scheme for computing the thermodynamic work performed on a system requires it to be initially in equilibrium. The Margenau–Hill scheme, among others, extends the previous approach to allow for a non-equilibrium initial state. We establish a quantitative comparison between both schemes in terms of the amount of coherence present in the initial state of the system, as quantified by the l1-coherence measure. We show that the difference between the two first moments of work, the variances of work, and the average entropy production obtained in both schemes can be cast in

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Baker, Stuart N., Elizabeth M. Pinches, and Roger N. Lemon. "Synchronization in Monkey Motor Cortex During a Precision Grip Task. II. Effect of Oscillatory Activity on Corticospinal Output." Journal of Neurophysiology 89, no. 4 (2003): 1941–53. http://dx.doi.org/10.1152/jn.00832.2002.

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Recordings from primary motor cortex (M1) during periods of steady contraction show oscillatory activity; these oscillations are coherent with the activity of contralateral muscles. We investigated synchronization of corticospinal output neurons with the oscillations, which could provide the pathway for their transmission to the spinal motoneurons. One hundred seventy-six antidromically identified pyramidal tract neurons (PTNs) were recorded from M1 in three macaque monkeys trained to perform a precision grip task. Local field potentials (LFP) were simultaneously recorded. All analysis was con

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Simmons, James A., Kelsey N. Hom, and Andrea Megela Simmons. "Temporal coherence of harmonic frequencies affects echo detection in the big brown bat, Eptesicus fuscus." Journal of the Acoustical Society of America 154, no. 5 (2023): 3321–27. http://dx.doi.org/10.1121/10.0022444.

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Echolocating big brown bats (Eptesicus fuscus) broadcast frequency modulated (FM) ultrasonic pulses containing two prominent harmonic sweeps (FM1, FM2). Both harmonics typically return as echoes at the same absolute time delay following the broadcast, making them coherent. Electronically splitting FM1 and FM2 allows their time delays to be controlled separately, making them non-coherent. Earlier work shows that big brown bats discriminate coherent from split harmonic, non-coherent echoes and that disruptions of harmonic coherence produce blurry acoustic images. A psychophysical experiment on t

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Li, Qing, Kris Vasudevan, and Frederick A. Cook. "3-D coherency filtering." GEOPHYSICS 62, no. 4 (1997): 1310–14. http://dx.doi.org/10.1190/1.1444232.

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Coherency filtering is a tool used commonly in 2-D seismic processing to isolate desired events from noisy data. It assumes that phase‐coherent signal can be separated from background incoherent noise on the basis of coherency estimates, and coherent noise from coherent signal on the basis of different dips. It is achieved by searching for the maximum coherence direction for each data point of a seismic event and enhancing the event along this direction through stacking; it suppresses the incoherent events along other directions. Foundations for a 2-D coherency filtering algorithm were laid ou

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Tefera, Belay, Fantahun Admas, Menelik Desta, and Penny Holding. "Early Childhood Development and Education (ECDE) System Coherence in Ethiopia: A Critical Analysis." Ethiopian Journal Of Behavioural Studies 8, no. 1 (2025): 122–59. https://doi.org/10.63990/ejobs.v8i1.11660.

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Coherence in education refers to alignment among systems as well as a mindset andcollective approach that consciously addresses fragmentation among systems, agentsand responsibilities. Effective ECDE design and delivery then calls for coherence, withinand among its various systems and subsystems, towards children’s holistic learning anddevelopment. This paper attempts to conduct systemic analysis of these coherences in theECDE system in Ethiopia employing a blend of four interrelated models: ‘the WholeChild Approach’, ‘the Complexity Theory’, ‘the Coherence Making Model’, and ‘theProgram Imple

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Reegård, Kaja. "Creating Coherence." YOUNG 25, no. 2 (2016): 141–56. http://dx.doi.org/10.1177/1103308816639390.

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This article considers how young people actively participate in their own socialization process by following their journey through the weakly institutionalized vocational education and training (VET) programme for office work in Norway. The article explores the meaning-making strategies students use to construct coherent narratives when faced with uncertain school-to-work transitions. The study is based on qualitative longitudinal interviews, following the same students over a three-year period. They enter vocational education open-minded, yet confident in its future labour market advantages.

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Chakraborty, Bidesh, Mamata Dalui, and Biplab K. Sikdar. "Design of a Reliable Cache System for Heterogeneous CMPs." Journal of Circuits, Systems and Computers 27, no. 14 (2018): 1850219. http://dx.doi.org/10.1142/s0218126618502195.

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The embedded system-on-a-chip (SoC), that integrates heterogeneous processors with variation in coherence protocol, adds complexity in maintaining coherency in the data caches. It further complicates the task of coherence verification in such systems. This work targets effective solution for coherence verification in heterogeneous chip multiprocessors (CMPs) through introduction of highly efficient verification unit. It is developed around the modeling tool of cellular automaton (CA) invented by von Neumann in 1950s. The modular and cascadable structure of CA ensures high scalability and robus

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Yu, Wen-Li, Tao Li, Hai Li, Yun Zhang, Jian Zou, and Ying-Dan Wang. "Heat Modulation on Target Thermal Bath via Coherent Auxiliary Bath." Entropy 23, no. 9 (2021): 1183. http://dx.doi.org/10.3390/e23091183.

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We study a scheme of thermal management where a three-qubit system assisted with a coherent auxiliary bath (CAB) is employed to implement heat management on a target thermal bath (TTB). We consider the CAB/TTB being ensemble of coherent/thermal two-level atoms (TLAs), and within the framework of collision model investigate the characteristics of steady heat current (also called target heat current (THC)) between the system and the TTB. It demonstrates that with the help of the quantum coherence of ancillae the magnitude and direction of heat current can be controlled only by adjusting the coup

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Sawyer, Keith. "Coherence in Discourse: Suggestions for Future Work." Human Development 46, no. 4 (2003): 189–93. http://dx.doi.org/10.1159/000070368.

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Korzekwa, Kamil, Matteo Lostaglio, Jonathan Oppenheim, and David Jennings. "The extraction of work from quantum coherence." New Journal of Physics 18, no. 2 (2016): 023045. http://dx.doi.org/10.1088/1367-2630/18/2/023045.

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Baerger, Dana Royce, and Dan P. McAdams. "Life Story Coherence and its Relation to Psychological Well-Being." Narrative Inquiry 9, no. 1 (1999): 69–96. http://dx.doi.org/10.1075/ni.9.1.05bae.

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Over the past few years, the concept of coherence as it applies to people's storied accounts of their lives has become an increasingly popular topic. However, theories of coherence have been slow to appear, and a comprehensive definition of the construct has yet to be presented by researchers. Moreover, almost no work has been done relating the concept of coherence to the particular form of the life story. Thus, the aims of the present study were twofold: first, to investigate whether it is possible to construct a reliable coding scheme for life story coherence, and second, to examine the rela

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Villarroya-Carpio, Arturo, and Juan M. Lopez-Sanchez. "Multi-Annual Evaluation of Time Series of Sentinel-1 Interferometric Coherence as a Tool for Crop Monitoring." Sensors 23, no. 4 (2023): 1833. http://dx.doi.org/10.3390/s23041833.

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Interferometric coherence from SAR data is a tool used in a variety of Earth observation applications. In the context of crop monitoring, vegetation indices are commonly used to describe crop dynamics. The most frequently used vegetation indices based on radar data are constructed using the backscattered intensity at different polarimetric channels. As coherence is sensitive to the changes in the scene caused by vegetation and its evolution, it may potentially be used as an alternative tool in this context. The objective of this work is to evaluate the potential of using Sentinel-1 interferome

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Cerisola, Federico, Franco Mayo, and Augusto J. Roncaglia. "A Wigner Quasiprobability Distribution of Work." Entropy 25, no. 10 (2023): 1439. http://dx.doi.org/10.3390/e25101439.

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In this article, we introduce a quasiprobability distribution of work that is based on the Wigner function. This proposal rests on the idea that the work conducted on an isolated system can be coherently measured by coupling the system to a quantum measurement apparatus. In this way, a quasiprobability distribution of work can be defined in terms of the Wigner function of the apparatus. This quasidistribution contains the information of the work statistics and also holds a clear operational definition that can be directly measured in a real experiment. Moreover, it is shown that the presence o

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Sharaf, Amira Y., and Eman E. Taha. "Sense of coherence and work-related patterns of behavior and experience among faculty nurse educators in Egypt." Journal of Nursing Education and Practice 9, no. 3 (2019): 129. http://dx.doi.org/10.5430/jnep.v9n3p129.

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Background: Nursing education is associated with high intensity work and potential burnout. Sense of coherence mitigates the effect of job stress and enhances work wellness. This study aims to identify work-related patterns of behavior and experience among nurse educators and examine the independent relationship between sense of coherence and workplace behavior patterns.Methods: The study used a cross-sectional descriptive design and a sample of 130 nurse educators teaching in the Faculty of Nursing, Alexandria University, Egypt. The nurse educators completed questionnaires measuring sense of

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Perez-Garcia, Benjamin, Adad Yepiz, and Raul I. Hernandez-Aranda. "Structured light in the spatially partially coherent regime." Journal of Optics 24, no. 4 (2022): 044003. http://dx.doi.org/10.1088/2040-8986/ac51b4.

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Abstract In this work, we present an introduction to the field of spatially partial coherent beams, while keeping in mind the transverse structure of an optical field. We look closely at the concept of spatial coherence and show some strategies to deal with it. We work step–by–step with the reader and construct as an example, a partially coherent vortex beam. Finally, using numerical simulations, the richness in structure of a partially coherent field is revealed through its cross–correlation function.

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Setya Nugraha, Alfian, and Alfaza Safira. "ANALISIS KOHESI dan KOHEREN PADA WACANA CERPEN KEUTAMAAN SEDEKAH KARYA HABIBURRAHMAN EL SHIRAY." Jurnal Disastri (Jurnal Pendidikan Bahasa dan Sastra Indonesia) 1, no. 01 (2019): 7–15. http://dx.doi.org/10.33752/disastri.v1i01.477.

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this study will analyze cohesion and coherence in short stories entitled the primacy of alms the work of Habiburrahman El Shirazy to find out the use of chesion and coherence in the short stor. In this case cohesion and coherence are one of the important compenents in the formation of a dicourse or text. This study will discuss lexical cohesion and gramaical cohesion and coherent. This research hopes that better writing can be useful for the reader. With that reader can take the mandate conveyed by the author. The menthod of qualitative description is seen in terms of words, phrase sentences o

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Hu, Xianghong, Shuning Sun, and Yujun Zheng. "Witnessing localization of a quantum state via quantum speed limits in a driven avoided-level crossing system." Journal of Chemical Physics 156, no. 13 (2022): 134113. http://dx.doi.org/10.1063/5.0078207.

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In this work, we investigate the witnessing of the localization of quantum states through quantum speed limits (QSLs) in a two-level driven avoided-level crossing system. As the characteristic natures of the localized quantum states, the QSL presents the periodic oscillations and coherence. The coherence partition of QSL is much bigger than the population partition of QSL. Our study gives us the possibilities to manipulate dynamics of quantum states locally by employing the coherent destruction of tunneling, which is significant in quantum information process. In addition, we analyze the effec

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Zhou, Junhua, Xuanchao Zhang, Vandana Tiwari, et al. "Unraveling Electronic and Vibrational Coherences Following a Charge Transfer Process in a Photosystem II Reaction Center." Photonics 11, no. 6 (2024): 519. http://dx.doi.org/10.3390/photonics11060519.

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A reaction center is a unique biological system that performs the initial charge separation within a Photosystem II (PSII) multiunit enzyme, which eventually drives the catalytic water-splitting in plants and algae. The possible role of quantum coherences coinciding with the energy and charge transfer processes in PSII reaction center is one of the active areas of research. Here, we study these quantum coherences by using a numerically exact method on an excitonic dimer model, including linear vibronic coupling and employing optimal parameters from experimental two-dimensional coherent spectro

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Rothmann, S., and AJH Pieterse. "Predictors of work-related well-being in sector education training authorities." South African Journal of Economic and Management Sciences 10, no. 3 (2013): 298–312. http://dx.doi.org/10.4102/sajems.v10i3.581.

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The objective of this study was to investigate the relationship between job demands, job resources, sense of coherence and work-related well-being of employees at Sector Education Training Authorities (SETA). The sample consisted of 159 SETA employees in South Africa. The Maslach Burnout Inventory – General Survey, the Utrecht Work Engagement Scale, the Orientation to Life Questionnaire, and the Job Demands-Resources Scale. The results showed that overload predicted exhaustion. Cynicism was predicted by limited growth opportunities, a lack of organisational support, and a weak sense of coheren

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Berget, Anne Mette, Vegard Pihl Moen, Merethe Hustoft, et al. "Effect of sense of coherence on long-term work participation among rehabilitation patients: a longitudinal study." Journal of Rehabilitation Medicine 55 (October 19, 2023): jrm11982. http://dx.doi.org/10.2340/jrm.v55.11982.

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Objective: To investigate the causal effect of sense of coherence on long-term work participation after rehabilitation, including stratification by age and diagnoses. Design: Longitudinal cohort study. Participants: Patients aged ≤ 60 years, employed and accepted for somatic interprofessional rehabilitation in 2015 (n = 192). Methods: Patients reported sense of coherence before rehabilitation in 2015 and mental and physical functioning in 2016. Register data were used to measure work participation during 2018 and days working without social security benefits during 2016–18. Regression models w

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Smith, Sarah R., Erin Driscoll, and Mark Bocko. "Understanding the coherence properties of musical vibrato signals." Journal of the Acoustical Society of America 154, no. 4_supplement (2023): A288. http://dx.doi.org/10.1121/10.0023550.

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In the field of optics, coherence theory is used to characterize the relative correlation of optical fields at different points in space and time. While this framework has found fewer applications in acoustics outside of an imaging context, recent work has explored the possibility of characterizing rooms and other acoustical systems based on the coherence properties of naturally occurring reverberant sounds. Additionally, the cross-correlation functions used in coherence theory also underly many auditory perceptual models which leverage interaural correlations to estimate interaural time diffe

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Pan, Liu Zhan, Chao Liang Ding, Jie Hui Yang, and Xiao Yuan. "Propagation Properties of Partially Polarized Gaussian Schell-Model Beams through an Aperture Lens with Spherical Aberration." Key Engineering Materials 364-366 (December 2007): 1180–86. http://dx.doi.org/10.4028/www.scientific.net/kem.364-366.1180.

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Based on the beam coherence-polarization (BCP) matrix approach and propagation law of partially coherent beams, the propagation properties of partially polarized Gaussian Schell-model (PGSM) beams through an aperture lens with spherical aberration were studied. Our main attention was focused on the effect of spherical aberration of the lens, partial coherence, aperture diffraction and polarization on the behavior of the irradiance. The numerical calculation results are given to illustrate how these parameters affect the focusing properties. A comparison with the previous publications is also m

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Levy, Elena T. "Coherence in Discourse: Past and Future Experimental Work." Human Development 46, no. 4 (2003): 194–96. http://dx.doi.org/10.1159/000070369.

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Hlaďo, Petr, Jaroslava Dosedlová, Klára Harvánková, et al. "Work Ability among Upper-Secondary School Teachers: Examining the Role of Burnout, Sense of Coherence, and Work-Related and Lifestyle Factors." International Journal of Environmental Research and Public Health 17, no. 24 (2020): 9185. http://dx.doi.org/10.3390/ijerph17249185.

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Maintaining and promoting teachers’ work ability is essential for increasing productivity and preventing early exit from the teaching profession. This study aimed to identify the predictors of work ability among upper-secondary school teachers and examine the mediating role of burnout. A large and diverse group of Czech upper-secondary school teachers was surveyed to address this goal. The sample comprised 531 upper-secondary school teachers (50.0 ± 9.94 years, 19.9 ± 10.62 in the teaching profession, 57.6% females). Relatively greater empirical support was found for the effects of burnout, se

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Álvarez-Fernández, Sergio. "The Psychologist as a Public Intellectual. The Work of Marino Pérez Álvarez." Papeles del Psicólogo 46, no. 1 (2025): 9–17. https://doi.org/10.70478/pap.psicol.2025.46.02.

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Abstract This article examines the biographical and intellectual career of Marino Pérez Álvarez. Starting with an analysis of his main influences, the aim is to show the internal coherence of his work and the reasons that explain its popularity. He is considered a public intellectual, and it is concluded that a good part of his success is due to his controversial positions in different current debates. Likewise, his criticism of "individualism" is identified as the Ariadne's thread that ties his work together and gives it meaning. His publications are therefore coherent from beginning to end a

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Pienaar, J., and H. De Witte. "Work locus of control and sense of coherence as antecedents of job insecurity." South African Journal of Business Management 47, no. 3 (2016): 35–43. http://dx.doi.org/10.4102/sajbm.v47i3.66.

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Previous research has highlighted various antecedents of job insecurity, both in cross-sectional research and in a recent meta-analysis. A review of this literature indicates that work locus of control actually is the only personality antecedent that has received considerable attention, while sense of coherence may also be an important factor to consider. Data on biographical variables, cognitive and affective job insecurity, work locus of control and sense of coherence were gathered from employees across 3 organisations (N=718), presenting two different sectors (chemical industry and financia

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Chen, Kang, Zhi-Yuan Ma, Ming-Ming Zhang, Jian-Tai Dou, and You-You Hu. "Propagation properties of partially coheren power-exponent-phase vortex beam." Acta Physica Sinica 71, no. 1 (2022): 014203. http://dx.doi.org/10.7498/aps.71.20211411.

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In this work, the propagation properties of partially coherent power-exponent-phase vortex beam are studied. Firstly, the propagation model of partially coherent power-exponent-phase vortex beam is established. Then, the propagation properties of partially coherent power-exponent-phase vortex beams in free space and ABCD optical system are simulated. The results show that when power-exponent-phase vortex beams propagate in free space, the topological charge, power order and coherence length have a great influence on the distribution of light intensity, and the area of light spot gradually incr

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Coulter, Stephen, Stanley Houston, Suzanne Mooney, John Devaney, and Gavin Davidson. "Attaining Theoretical Coherence Within Relationship-Based Practice in Child and Family Social Work: The Systemic Perspective." British Journal of Social Work 50, no. 4 (2019): 1219–37. http://dx.doi.org/10.1093/bjsw/bcz110.

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Abstract Social work practice has an essential, yet ambiguous, relationship with theory. This state of affairs is currently evident in the range of contemporary relationship-based practice (RBP) models being applied within Child and Family Social Work. This article argues that there is an urgent need for a theoretically coherent conceptualisation of these models to enable social work practitioners to embrace their common precepts and so enable more effective interventions. In contrast to attempts to show the distinctiveness of current models for reasons of fidelity, model identity and marketin

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Epps, Kristi A., Tyce Olaveson, Kent L. Gee, Alan T. Wall, and S. Hales Swift. "Near-field coherence analysis of noise from an installed F404 engine." Journal of the Acoustical Society of America 152, no. 4 (2022): A257. http://dx.doi.org/10.1121/10.0016199.

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Because phenomena observed in noise radiated from high-performance military aircraft are not fully understood, different analysis techniques can yield complementary insights into their characteristics. Here, a coherence analysis from a 120-microphone near-field array is used to identify and characterize the noise radiation and source-related properties of a T-7A-installed F-404-GE-103 engine over a broad range of frequencies. Some of the noteworthy findings include: a) coherence trends for mixing noise and spatiospectral lobes generally match those observed for previously studied aircraft; and

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Barrachina, Raúl O., Francisco Navarrete, and Marcelo F. Ciappina. "Atomic Concealment Due to Loss of Coherence of the Incident Beam of Projectiles in Collision Processes." Atoms 9, no. 1 (2021): 5. http://dx.doi.org/10.3390/atoms9010005.

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In the study of collision processes, a series of conditions is usually assumed. One of them is that the beam of projectiles is coherent in lengths greater than those of the targets against which it strikes. However, recent experimental results and theoretical analyzes have shown that this assumption can not only fail, but that it is possible to manipulate the coherence length experimentally to go from a coherent situation to an incoherent one. The most conspicuous and studied manifestation of such loss of coherence is the disappearance of interference effects. However, in the present work we s

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Luo, Hao-Wen, Ting-Yi Chung, Chih-Hao Lee, and Ching-Shiang Hwang. "Numerical analysis of brilliance and coherent photon flux of segmented undulator radiation based on statistical optics." Journal of Synchrotron Radiation 26, no. 1 (2019): 59–73. http://dx.doi.org/10.1107/s1600577518016004.

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A method based on wave optics together with electron tracking is used to analyze synchrotron radiation from a segmented undulator in a double or multi mini-β function lattice storage ring. Radiation brilliance and transverse coherence features are investigated, where the former is calculated with the Wigner distribution function and the latter is evaluated by integrating the photon flux and cross-spectral density to exhibit the coherent flux and overall degree of coherence. To be specific, radiation properties for a single undulator in a typically single mini-β function and a tandem undulator

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Shen, Li-Tuo, Zhi-Cheng Shi, and Zhen-Biao Yang. "Coherent State Control to Recover Quantum Entanglement and Coherence." Entropy 21, no. 10 (2019): 917. http://dx.doi.org/10.3390/e21100917.

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How to analytically deal with the entanglement and coherence dynamics of separated Jaynes–Cummings nodes with continuous-variable fields is still an open question. We here generalize this model to a more common situation including either a small or large qubit-field detuning, and obtain two new analytical formulas. The X-state simplification, Fock-state shortcut and detuning-limit approximation work together in an amazingly accurate way, which agrees with the numerical results. The new formulas almost perfectly predict the two-qubit entanglement dynamics both in sudden death and rebirth phenom

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Setälä, Tero, Kimmo Saastamoinen, and Ari Friberg. "Coherence Stokes Parameters in the Description of Electromagnetic Coherence." Photonics 8, no. 3 (2021): 85. http://dx.doi.org/10.3390/photonics8030085.

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The two-point counterparts of the traditional Stokes parameters, which are called the coherence Stokes parameters, have recently been extensively used for assessing the coherence properties of random electromagnetic light beams. In this work, we highlight their importance by emphasizing two features associated with them. First, the role of polarization in electromagnetic coherence is significantly elucidated when the coherence Stokes parameters are used. Second, the normalized coherence Stokes parameters should be regarded as the true electromagnetic counterparts of the normalized scalar-field

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Gobind Kumar Das, Panthadeep Bhattacharjee. "eLDA: Augmenting Topic Modeling with Word Embeddings for Enhanced Coherence and Interpretability." Journal of Information Systems Engineering and Management 10, no. 21s (2025): 474–79. https://doi.org/10.52783/jisem.v10i21s.3372.

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Traditional topic modeling methods like Latent Dirichlet Allocation suffer from several challenges, especially concerning appropriate topic coherence, logical and consistent word groups that follow some semantic relationship, and interpretability. In this work, we propose an enhanced version of LDA, called eLDA, which incorporates Word2Vec embeddings (W2Ve) into LDA. This approach is adopted in order to improve the coherence of individual topics and improve the general topic interpretability by using established metrics such as the coherence score. Traditional LDA and eLDA coherence scores are

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Mitonga-Monga, Jeremy, and Claude-Hélène Mayer. "Sense of Coherence, Burnout, and Work Engagement: The Moderating Effect of Coping in the Democratic Republic of Congo." International Journal of Environmental Research and Public Health 17, no. 11 (2020): 4127. http://dx.doi.org/10.3390/ijerph17114127.

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Research on coping, sense of coherence, burnout, and work engagement is well documented in western countries. However, a void of studies exists on how coping mechanisms can moderate the relationship among sense of coherence, burnout, and work engagement in a manufacturing company in the Democratic Republic of Congo (DRC). The objective of this research was to examine the moderating effect of coping (COP) in the relationship between sense of coherence (SOC), burnout (BO), and work engagement (WE). The study employed a quantitative research approach, while participants were recruited through con

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Thedin, Regis, Eliot Quon, Matthew Churchfield, and Paul Veers. "Investigations of correlation and coherence in turbulence from a large-eddy simulation." Wind Energy Science 8, no. 4 (2023): 487–502. http://dx.doi.org/10.5194/wes-8-487-2023.

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Abstract. Microscale flow descriptions are often given in terms of mean quantities, turbulent kinetic energy, and/or stresses. Those metrics, while valuable, give limited information about turbulent eddies and coherent turbulent structures. This work investigates the structure of an atmospheric boundary layer using coherence and correlation in space and time with a range of separation distances. We calculate spatial correlations over entire planes of velocity fluctuations, from which we can evaluate the correlation along different directions at different spacings. Similarly, coherence of the t

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Salmeron, Ladislao, Walter Kintsch, and Jose Canas. "Coherence or interest as basis for improving hypertext comprehension." Text features which enable cognitive strategies during text comprehension 14, no. 1 (2006): 45–55. http://dx.doi.org/10.1075/idj.14.1.06sal.

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Educational hypertext aims to improve the reader’s comprehension by providing flexible access to information. However, this flexibility imposes additional tasks upon a reader who is used to gaining information in a linear manner. One of these difficulties is in choosing the reading order of the hypertext sections. In the present work, we explore two possible strategies to decide the reading order in hypertext: strategies based on coherence and interest. Results of two laboratory experiments reveal that a semantically coherent reading order improves comprehension for novice readers. Finally, we

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Niinihuhta, Milja, Anja Terkamo-Moisio, Tarja Kvist, and Arja Häggman-Laitila. "A comprehensive evaluation of factors affecting nurse leaders’ work-related well-being." Leadership in Health Services 35, no. 3 (2022): 460–74. http://dx.doi.org/10.1108/lhs-12-2021-0098.

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Purpose This study aims to describe nurse leaders’ experiences of work-related well-being and its association with background variables, working conditions, work engagement, sense of coherence and burnout. Design/methodology/approach An electronic survey design was used. Data was collected between December 2015 and May 2016 with an instrument that included demographic questions and four internationally validated scales: the Utrecht Work Engagement Scale, QPS Nordic 34+, the shortened Sense of Coherence scale and the Maslach Burnout Inventory. Data was analysed using statistical methods. Findin

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Mc Kenny, Richard. "Commentary on Coulter et al. 2019 ‘Attaining Theoretical Coherence Within Relationship-Based Practice in Child and Family Social Work: The Systemic Perspective’." British Journal of Social Work 50, no. 5 (2020): 1630–35. http://dx.doi.org/10.1093/bjsw/bcaa072.

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Abstract Coulter et al. (2019) argue that there is an urgent need for a theoretically coherent conceptualisation of contemporary relationship-based practice (RBP) models within child and family social work. They propose that a systemic and social constructionist ‘lens’ can provide this coherence. This reply draws attention to one particular difficulty with their argument and makes a partial case for maintaining clear distinctions between models, with distinct nomenclature.

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Derbis, Romuald, Arkadiusz M. Jasiński, and Traci Craig. "Work satisfaction, psychological resiliency and sense of coherence as correlates of work engagement." Cogent Psychology 5, no. 1 (2018): 1451610. http://dx.doi.org/10.1080/23311908.2018.1451610.

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Khairai, Kamarulzaman Mahmad, Auditya Purwandini Sutarto, and Muhammad Nubli Abdul Wahab. "The Influence of Stress on Industrial Operator’s Physiology and Work Performance." Jurnal Optimasi Sistem Industri 19, no. 2 (2020): 82. http://dx.doi.org/10.25077/josi.v19.n2.p82-90.2020.

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Elevated stress has been widely associated with physical and physiological threats as well as reduced work performance. However, there is still a lack of studies that investigate whether stress influences concurrently physiological and objective work performance. The purpose of this study is to examine whether workers’ level of stress or negative emotional symptoms correlates with their physiological coherence and work performance. Eighteen female operators who reported high severity levels of stress, assessed using the Depression, Anxiety, and Stress Scale (DASS-42) were categorized as the ri

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Khairai, Kamarulzaman Mahmad, Auditya Purwandini Sutarto, and Muhammad Nubli Abdul Wahab. "The Influence of Stress on Industrial Operator’s Physiology and Work Performance." Jurnal Optimasi Sistem Industri 19, no. 2 (2020): 44–66. https://doi.org/10.25077/josi.v19.n2.p44-66.2020.

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Elevated stress has been widely associated with physical and physiological threats as well as reduced work performance. However, there is still a lack of studies that investigate whether stress influences concurrently physiological and objective work performance. The purpose of this study is to examine whether workers’ level of stress or negative emotional symptoms correlates with their physiological coherence and work performance. Eighteen female operators who reported high severity levels of stress, assessed using the Depression, Anxiety, and Stress Scale (DASS-42) were categorized as the ri

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Gabriele, Michelle L., Gadi Wollstein, Hiroshi Ishikawa, et al. "Optical Coherence Tomography: History, Current Status, and Laboratory Work." Investigative Opthalmology & Visual Science 52, no. 5 (2011): 2425. http://dx.doi.org/10.1167/iovs.10-6312.

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