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Artykuły w czasopismach na temat „Electrodynamical coupling”

Autor: Grafiati

Data publikacji: 6 września 2023

Data aktualizacji: 31 lipca 2025

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1

Sentef, M. A., M. Ruggenthaler, and A. Rubio. "Cavity quantum-electrodynamical polaritonically enhanced electron-phonon coupling and its influence on superconductivity." Science Advances 4, no. 11 (2018): eaau6969. http://dx.doi.org/10.1126/sciadv.aau6969.

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So far, laser control of solids has been mainly discussed in the context of strong classical nonlinear light-matter coupling in a pump-probe framework. Here, we propose a quantum-electrodynamical setting to address the coupling of a low-dimensional quantum material to quantized electromagnetic fields in quantum cavities. Using a protoypical model system describing FeSe/SrTiO3with electron-phonon long-range forward scattering, we study how the formation of phonon polaritons at the two-dimensional interface of the material modifies effective couplings and superconducting properties in a Migdal-E

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2

Singh, A. K., Devendraa Siingh, R. P. Singh, and Sandhya Mishra. "Electrodynamical Coupling of Earth's Atmosphere and Ionosphere: An Overview." International Journal of Geophysics 2011 (2011): 1–13. http://dx.doi.org/10.1155/2011/971302.

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Electrical processes occurring in the atmosphere couple the atmosphere and ionosphere, because both DC and AC effects operate at the speed of light. The electrostatic and electromagnetic field changes in global electric circuit arise from thunderstorm, lightning discharges, and optical emissions in the mesosphere. The precipitation of magnetospheric electrons affects higher latitudes. The radioactive elements emitted during the earthquakes affect electron density and conductivity in the lower atmosphere. In the present paper, we have briefly reviewed our present understanding of how these even

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3

Onohara, A. N., I. S. Batista, and H. Takahashi. "The ultra-fast Kelvin waves in the equatorial ionosphere: observations and modeling." Annales Geophysicae 31, no. 2 (2013): 209–15. http://dx.doi.org/10.5194/angeo-31-209-2013.

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Abstract. The main purpose of this study is to investigate the vertical coupling between the mesosphere and lower thermosphere (MLT) region and the ionosphere through ultra-fast Kelvin (UFK) waves in the equatorial atmosphere. The effect of UFK waves on the ionospheric parameters was estimated using an ionospheric model which calculates electrostatic potential in the E-region and solves coupled electrodynamics of the equatorial ionosphere in the E- and F-regions. The UFK wave was observed in the South American equatorial region during February–March 2005. The MLT wind data obtained by meteor r

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4

McKinney, J. C., and R. Narayan. "Disc-jet coupling in black hole accretion systems - II. Force-free electrodynamical models." Monthly Notices of the Royal Astronomical Society 375, no. 2 (2007): 531–47. http://dx.doi.org/10.1111/j.1365-2966.2006.11220.x.

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5

Passante, Roberto. "Dispersion Interactions between Neutral Atoms and the Quantum Electrodynamical Vacuum." Symmetry 10, no. 12 (2018): 735. http://dx.doi.org/10.3390/sym10120735.

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Dispersion interactions are long-range interactions between neutral ground-state atoms or molecules, or polarizable bodies in general, due to their common interaction with the quantum electromagnetic field. They arise from the exchange of virtual photons between the atoms, and, in the case of three or more atoms, are not additive. In this review, after having introduced the relevant coupling schemes and effective Hamiltonians, as well as properties of the vacuum fluctuations, we outline the main properties of dispersion interactions, both in the nonretarded (van der Waals) and retarded (Casimi

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6

Bagiya, Mala S., K. N. Iyer, H. P. Joshi, et al. "Low-latitude ionospheric-thermospheric response to storm time electrodynamical coupling between high and low latitudes." Journal of Geophysical Research: Space Physics 116, A1 (2011): n/a. http://dx.doi.org/10.1029/2010ja015845.

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7

Schäfer, Christian, Michael Ruggenthaler, Heiko Appel, and Angel Rubio. "Modification of excitation and charge transfer in cavity quantum-electrodynamical chemistry." Proceedings of the National Academy of Sciences 116, no. 11 (2019): 4883–92. http://dx.doi.org/10.1073/pnas.1814178116.

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Energy transfer in terms of excitation or charge is one of the most basic processes in nature, and understanding and controlling them is one of the major challenges of modern quantum chemistry. In this work, we highlight that these processes as well as other chemical properties can be drastically altered by modifying the vacuum fluctuations of the electromagnetic field in a cavity. By using a real-space formulation from first principles that keeps all of the electronic degrees of freedom in the model explicit and simulates changes in the environment by an effective photon mode, we can easily c

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8

Kherani, E. A., R. Raghavarao, and R. Sekar. "Equatorial rising structure in nighttime upper E-region: a manifestation of electrodynamical coupling of spread F." Journal of Atmospheric and Solar-Terrestrial Physics 64, no. 12-14 (2002): 1505–10. http://dx.doi.org/10.1016/s1364-6826(02)00087-1.

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9

Teubner, P. J. O., V. Karaganov, M. R. Law, and P. M. Farrell. "Superelastic electron scattering from calcium and lithium." Canadian Journal of Physics 74, no. 11-12 (1996): 984–90. http://dx.doi.org/10.1139/p96-818.

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Superelastic scattering experiment were performed on optically pumped calcium atoms at energies of 25.7 and 45 eV referred to the ground state. Orientation and alignment parameters derived from these experiments are compared with the predictions of several theories based on a distorted-wave formalism. The agreement between theory and experiment is unsatisfactory at the lower energy at all scattering angles. At the higher energy agreement improves at small scattering angles but is poor at middle angles. The results of our quantum electrodynamical calculation on optical pumping in lithium are co

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10

Ip, W. H., C. M. Liu, and K. C. Pan. "Transport and electrodynamical coupling of nano-grains ejected from the Saturnian rings and their possible ionospheric signatures." Icarus 276 (September 2016): 163–69. http://dx.doi.org/10.1016/j.icarus.2016.04.004.

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11

Andrews, David L., and David S. Bradshaw. "Controlling Electronic Energy Transfer: A Systematic Framework of Theory." Applied Sciences 12, no. 17 (2022): 8597. http://dx.doi.org/10.3390/app12178597.

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The transport of electronic excitation energy (EET) between ions, atoms, molecules or chromophores is an important process that occurs in a wide range of physical systems. The tantalising prospect of effective experimental control over such transfer is, in principle, amenable to a variety of different kinds of approach. Several of the most promising, which are analysed and compared in this paper, involve the influence of externally applied static electric or electromagnetic fields, or the exploitation of local media effects. A quantum electrodynamical framework is used as a common basis to des

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12

Salam, A. "The Unified Theory of Resonance Energy Transfer According to Molecular Quantum Electrodynamics." Atoms 6, no. 4 (2018): 56. http://dx.doi.org/10.3390/atoms6040056.

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An overview is given of the molecular quantum electrodynamical (QED) theory of resonance energy transfer (RET). In this quantized radiation field description, RET arises from the exchange of a single virtual photon between excited donor and unexcited acceptor species. Diagrammatic time-dependent perturbation theory is employed to calculate the transfer matrix element, from which the migration rate is obtained via the Fermi golden rule. Rate formulae for oriented and isotropic systems hold for all pair separation distances, R, beyond wave function overlap. The two well-known mechanisms associat

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13

Malkin, Andrey, Naum Ginzburg, Vladislav Zaslavsky, Ilya Zheleznov, and Alexander Sergeev. "Quasi-Optical Theory of Relativistic Cherenkov Oscillators and Amplifiers with Oversized Electrodynamic Structures." Electronics 11, no. 8 (2022): 1197. http://dx.doi.org/10.3390/electronics11081197.

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Using the quasi-optical approach, we investigate wave propagation along the periodically corrugated surfaces and their interaction with rectilinear relativistic electron beams (REBs). At the periodical structure, the field can be expanded into a series of spatial harmonics, which, in the case of shallow corrugations, represent paraxial wavebeams with mutual coupling described within the method of effective surface magnetic currents. We present the dispersion equation for the normal waves. Two limit cases can be recognized: in the first one, the frequency is far from the Bragg resonance and the

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14

SIVASUBRAMANIAN, S., A. WIDOM, and Y. N. SRIVASTAVA. "RADIATIVE PHASE TRANSITIONS AND CASIMIR EFFECT INSTABILITIES." Modern Physics Letters B 20, no. 22 (2006): 1417–25. http://dx.doi.org/10.1142/s0217984906011748.

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Molecular quantum electrodynamics lead to photon frequency shifts and thus to changes in condensed matter free energies (often called the Casimir effect). Strong quantum electrodynamic coupling between radiation and molecular motions can lead to an instability beyond which one or more photon oscillators undergo a displacement phase transition. We show that the phase boundary of the transition can be located by a Casimir free energy instability.

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15

Hays, M., V. Fatemi, D. Bouman, et al. "Coherent manipulation of an Andreev spin qubit." Science 373, no. 6553 (2021): 430–33. http://dx.doi.org/10.1126/science.abf0345.

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Two promising architectures for solid-state quantum information processing are based on electron spins electrostatically confined in semiconductor quantum dots and the collective electrodynamic modes of superconducting circuits. Superconducting electrodynamic qubits involve macroscopic numbers of electrons and offer the advantage of larger coupling, whereas semiconductor spin qubits involve individual electrons trapped in microscopic volumes but are more difficult to link. We combined beneficial aspects of both platforms in the Andreev spin qubit: the spin degree of freedom of an electronic qu

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16

Alpin, Timur Yu, and Alexander B. Balakin. "The Einstein–Maxwell-aether-axion theory: Dynamo-optical anomaly in the electromagnetic response." International Journal of Modern Physics D 25, no. 04 (2016): 1650048. http://dx.doi.org/10.1142/s0218271816500486.

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We consider a pp-wave symmetric model in the framework of the Einstein–Maxwell-aether-axion theory. Exact solutions to the equations of axion electrodynamics are obtained for the model, in which pseudoscalar, electric and magnetic fields were constant before the arrival of a gravitational pp-wave. We show that dynamo-optical interactions, i.e. couplings of electromagnetic field to a dynamic unit vector field, attributed to the velocity of a cosmic substratum (aether, vacuum, dark fluid[Formula: see text]), provide the response of axionically active electrodynamic system to display anomalous be

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17

Namgaladze, A. A., M. Förster, and R. Y. Yurik. "Analysis of the positive ionospheric response to a moderate geomagnetic storm using a global numerical model." Annales Geophysicae 18, no. 4 (2000): 461–77. http://dx.doi.org/10.1007/s00585-000-0461-8.

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Abstract. Current theories of F-layer storms are discussed using numerical simulations with the Upper Atmosphere Model, a global self-consistent, time dependent numerical model of the thermosphere-ionosphere-plasmasphere-magnetosphere system including electrodynamical coupling effects. A case study of a moderate geomagnetic storm at low solar activity during the northern winter solstice exemplifies the complex storm phenomena. The study focuses on positive ionospheric storm effects in relation to thermospheric disturbances in general and thermospheric composition changes in particular. It inve

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18

Gokani, Chirag A., Samuel P. Wallen, and Michael R. Haberman. "Reciprocity, passivity, and causality in fully coupled acousto-electrodynamic media." Journal of the Acoustical Society of America 154, no. 4_supplement (2023): A118. http://dx.doi.org/10.1121/10.0022976.

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Multiple-scattering homogenization procedures in acoustics and electromagnetics have shown that subwavelength asymmetries and lattice effects in metamaterials give rise to bianisotropy, the tensorial coupling of two constitutive relations. Asymmetric piezoelectric scatters in the quasi-electrostatic regime have recently been shown to couple the electric field to the bianisotropic elastodynamic relations, yielding an additional, emergent property termed electro-momentum coupling. To facilitate the study of scatterers responsible for electro-momentum coupling, Wallen et al. [Proc. Mtgs. Acoust.

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19

Trubin, Alexander. "MUTUAL COUPLING COEFFICIENTS OF ROTATING RECTANGULAR DIELECTRIC RESONATORS IN CUT-OFF RECTANGULAR WAVEGUIDE." Information and Telecommunication Sciences, no. 1 (June 29, 2021): 48–54. http://dx.doi.org/10.20535/2411-2976.12021.48-54.

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Background. A further increase in the speed of information transfer is determined by more stringent requirements for the elements of communication devices. One of the most important components of such devices is various filters, which are often made on the basis of dielectric resonators. Calculation of the parameters of multi-section filters is impossible without further development of the theory of their design. The development of filter theory is based on electrodynamic modelling, which involves calculating the coupling coefficients of dielectric resonators in various transmission lines.&#x0

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20

XIAO, ZHI, and BO-QIANG MA. "LORENTZ VIOLATION DISPERSION RELATION AND ITS APPLICATION." International Journal of Modern Physics A 24, no. 07 (2009): 1359–81. http://dx.doi.org/10.1142/s0217751x09042955.

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We derive a modified dispersion relation (MDR) in the Lorentz violation extension of the quantum electrodynamics (QED) sector in the standard model extension (SME) framework. Based on the extended Dirac equation and corresponding MDR, we observe the resemblance of the Lorentz violation coupling to spin–gravity coupling. We also develop a neutrino oscillation mechanism induced by the presence of nondiagonal terms of Lorentz violation couplings in two-flavor space in a two-spinor formalism by explicitly assuming neutrinos to be Marjorana fermions. We also obtain a very stringent bound (∽ 10-25)

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21

Zhao, Changhao, Yongcheng He, Xiao Geng, et al. "Multi-Mode Bus Coupling Architecture of Superconducting Quantum Processor." Chinese Physics Letters 40, no. 1 (2023): 010301. http://dx.doi.org/10.1088/0256-307x/40/1/010301.

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Resonators in circuit quantum electrodynamics systems naturally carry multiple modes, which may have non-negligible influence on qubit parameters and device performance. While new theories and techniques are under investigation to deal with the multi-mode effects in circuit quantum electrodynamics systems, researchers have proposed novel engineering designs featuring multi-mode resonators to achieve enhanced functionalities of superconducting quantum processors. Here, we propose multi-mode bus coupling architecture, in which superconducting qubits are coupled to multiple bus resonators to gain

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22

Martín-Ruiz, A., M. Cambiaso, and L. F. Urrutia. "The magnetoelectric coupling in electrodynamics." International Journal of Modern Physics A 34, no. 28 (2019): 1941002. http://dx.doi.org/10.1142/s0217751x19410021.

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We explore a model akin to axion electrodynamics in which the axion field [Formula: see text] rather than being dynamical is a piecewise constant effective parameter [Formula: see text] encoding the microscopic properties of the medium inasmuch as its permittivity or permeability, defining what we call a [Formula: see text]-medium. This model describes a large class of phenomena, among which we highlight the electromagnetic response of materials with topological order, like topological insulators for example. We pursue a Green’s function formulation of what amounts to typical boundary-value pr

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23

Zuo, Shuguang, Zhaoyang Feng, Jian Pan, and Xudong Wu. "Electromechanical coupling dynamic modeling and analysis of vertical electrodynamic shaker considering low frequency lateral vibration." Advances in Mechanical Engineering 12, no. 10 (2020): 168781402096385. http://dx.doi.org/10.1177/1687814020963851.

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For the problem of relatively severe lateral vibration found in the vertical electrodynamic shaker experiment, an electromechanical coupling dynamic model of the electrodynamic shaker considering low-frequency lateral vibration is proposed. The reason and mechanism of the lateral vibration is explained and analyzed through this model. To establish this model, an electromagnetic force model of overall conditions is firstly built by fitting force samples with neural network method. The force samples are obtained by orthogonal test of finite element simulation, in which five factors of the moving

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24

Li, Ruiqi. "Coupling quantum emitters in metal–insulator–metal heterostructure: Green tensor approach in the quasi-static limit." AIP Advances 12, no. 8 (2022): 085310. http://dx.doi.org/10.1063/5.0102674.

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Coupling between quantum emitters (QEs) has been a topic extensively explored in recent years. Theoretical models based on the Lindblad master equation and mapping to cascaded quantum system has shed light to the chiral coupling phenomena from the aspect of microscopic quantum electrodynamics. Different from dissipative systems investigated in previous literature, we investigate the QE–QE coupling in Hermitian and pseudo-Hermitian systems by considering a multi-layered metal–insulator–amplifying metal heterostructure that represents the two kinds of system by adjusting the damping factor of th

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25

Rayimbaev, Javlon, Nozima Juraeva, Malika Khudoyberdiyeva, Ahmadjon Abdujabbarov, and Mardon Abdullaev. "Quasiperiodic Oscillations and Dynamics of Test Particles around Regular-Kiselev Black Holes." Galaxies 11, no. 6 (2023): 113. http://dx.doi.org/10.3390/galaxies11060113.

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Testing gravity theories combining (massive and massless) scalar & electrodynamic fields become the most important issue in relativistic astrophysics using data from, black hole observations. In the present work, we first show a spherically symmetric black hole solution in general relativity coupling to generic-type nonlinear electrodynamics (NED) together with the quintessential field. We also obtain possible values for the parameters of the quintessential field and NED charge in the black hole environment for different values of degree of nonlinearity. Also, event horizon properties and

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26

Bazhanova, Olga V., Alexander A. Kononov, Ksenia V. Smuseva, Vladislav A. Stepkin, and Grigory K. Uskov. "Investigation of mutual coupling coefficients in dual-polarized antenna arrays." Physics of Wave Processes and Radio Systems 26, no. 4 (2023): 78–87. http://dx.doi.org/10.18469/1810-3189.2023.26.4.78-87.

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Background. Antenna arrays are widely used in various fields of radio engineering, such as radio and telecommunications, satellite communication systems, etc. One of the important characteristics of an antenna array is its radiation pattern. The estimation of impedance matrices, scattering matrices, and partial radiation patterns is usually performed based on the results of numerical electrodynamic modelling. In the case of a large number of antenna elements, such modelling and optimization of the array requires significant time. Aim. To investigate the mutual coupling between dual- polarised

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27

GAETE, PATRICIO. "REMARKS ON A CHERN–SIMONS-LIKE COUPLING." Modern Physics Letters A 26, no. 37 (2011): 2813–21. http://dx.doi.org/10.1142/s0217732311037121.

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We consider the static quantum potential for a gauge theory which includes a light massive vector field interacting with the familiar U (1) QED photon via a Chern–Simons-like coupling, by using the gauge-invariant, but path-dependent, variables formalism. An exactly screening phase is then obtained, which displays a marked departure of a qualitative nature from massive axionic electrodynamics. The above static potential profile is similar to that encountered in axionic electrodynamics consisting of a massless axion-like field, as well as to that encountered in the coupling between the familiar

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28

Ünlütürk, Kıvanç İ., and Cem Yetişmişoğlu. "A model of non-minimally coupled gravitation and electromagnetism in (1+2) dimensions." Journal of Physics: Conference Series 2191, no. 1 (2022): 012021. http://dx.doi.org/10.1088/1742-6596/2191/1/012021.

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Abstract Following earlier works of Dereli and collaborators, we study a three dimensional toy model where we extend the topologically massive gravity with electrodynamics by the most general RF 2-type non-minimal coupling terms. Here R denotes the possible curvature terms and F denotes the electromagnetic 2-form. We derive the variational feld equations and look for exact solutions on constant negative curvature space-times with a constant, self-dual electromagnetic feld. The notion of self-dual electromagnetic felds in three dimensions is introduced by Dereli and collaborators in the study o

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29

Zhu, Shi Sha, Wei Yuan, Xue Peng Qian, and Tao Tang. "The Study of Dynamic Equations of ER Fluids Based on Multi-Field Coupling." Advanced Materials Research 779-780 (September 2013): 375–79. http://dx.doi.org/10.4028/www.scientific.net/amr.779-780.375.

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Based on the multi-field coupling effect and the theory of electrodynamics, as well as the capture effect of the ER fluids flowing through the control field, by analyzing on the flow characteristics under the electric - power - thermal coupling load environment, the structure-force dynamic coupling mathematical model of ER fluids is derived under multi-field.

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30

Nelson, D. A., and E. J. Shaughnessy. "Electric Field Effects on Natural Convection in Enclosures." Journal of Heat Transfer 108, no. 4 (1986): 749–54. http://dx.doi.org/10.1115/1.3247008.

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The enhancement of convective heat transfer by an electric field is but one aspect of the complex thermoelectric phenomena which arise from the interaction of fluid dynamic and electric fields. Our current knowledge of this area is limited to a very few experimental studies. There has been no formal analysis of the basic coupling modes of the Navier–Stokes and Maxwell equations which are developed in the absence of any appreciable magnetic fields. Convective flows in enclosures are particularly sensitive because the limited fluid volumes, recirculation, and generally low velocities allow the r

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31

Shao, Yinming, Zhiyuan Sun, Ying Wang, et al. "Optical signatures of Dirac nodal lines in NbAs2." Proceedings of the National Academy of Sciences 116, no. 4 (2018): 1168–73. http://dx.doi.org/10.1073/pnas.1809631115.

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Using polarized optical and magneto-optical spectroscopy, we have demonstrated universal aspects of electrodynamics associated with Dirac nodal lines that are found in several classes of unconventional intermetallic compounds. We investigated anisotropic electrodynamics of NbAs2 where the spin-orbit coupling (SOC) triggers energy gaps along the nodal lines. These gaps manifest as sharp steps in the optical conductivity spectra σ1(ω). This behavior is followed by the linear power-law scaling of σ1(ω) at higher frequencies, consistent with our theoretical analysis for dispersive Dirac nodal line

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Yu, Shuang, and Changjun Gao. "Exact black hole solutions with nonlinear electrodynamic field." International Journal of Modern Physics D 29, no. 05 (2020): 2050032. http://dx.doi.org/10.1142/s0218271820500327.

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We construct exact black hole solutions to Einstein gravity with nonlinear electrodynamic field. In these solutions, there are, in general, four parameters. They are physical mass, electric charge, cosmological constant and the coupling constant. These solutions differ significantly from the Reissner–Nordström–de Sitter solution in Einstein–Maxwell gravity with a cosmological constant, due to the presence of coupling constant. For example, some of them are endowed with a topological defect on angle [Formula: see text] and the electric charge of some can be much larger or smaller than their mas

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33

Rekalo, Michail P., та Egle Tomasi-Gustafsson. "The gVσγ coupling constants in hadron electrodynamics". Nuclear Physics A 725 (вересень 2003): 116–26. http://dx.doi.org/10.1016/s0375-9474(03)01605-1.

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Guzman-Herrera, E., and N. Breton. "Light propagation in the vicinity of the ModMax black hole." Journal of Cosmology and Astroparticle Physics 2024, no. 01 (2024): 041. http://dx.doi.org/10.1088/1475-7516/2024/01/041.

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Abstract ModMax is a nonlinear electrodynamics theory with the same symmetries as Maxwell electrodynamics. Static spherically symmetric solutions have been derived by coupling ModMax electrodynamics with the Einstein equations, which can represent a black hole. In this paper, we analyze light propagation in the vicinity of the ModMax black hole. We determine birefringence, light trajectories, deflection, redshifts, as well as the shadow of the black hole using the effective or optical metric to determine the optical paths of light; comparison is done with the corresponding effects in the neigh

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Minotti, F., and G. Modanese. "Generalized Local Charge Conservation in Many-Body Quantum Mechanics." Mathematics 13, no. 5 (2025): 892. https://doi.org/10.3390/math13050892.

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In the framework of the quantum theory of many-particle systems, we study the compatibility of approximated non-equilibrium Green’s functions (NEGFs) and of approximated solutions of the Dyson equation with a modified continuity equation of the form ∂t⟨ρ⟩+(1−γ)∇·⟨J⟩=0. A continuity equation of this kind allows the e.m. coupling of the system in the extended Aharonov–Bohm electrodynamics, but not in Maxwell electrodynamics. Focusing on the case of molecular junctions simulated numerically with the Density Functional Theory (DFT), we further discuss the re-definition of local current density pro

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36

Cheng, Shuo, and David P. Arnold. "Defining the coupling coefficient for electrodynamic transducers." Journal of the Acoustical Society of America 134, no. 5 (2013): 3561–72. http://dx.doi.org/10.1121/1.4824347.

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Lysak, Robert L. "Electrodynamic coupling of the magnetosphere and ionosphere." Space Science Reviews 52, no. 1-2 (1990): 33–87. http://dx.doi.org/10.1007/bf00704239.

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Florence, Tristan L., Curtis V. McCully, and Dwight E. Neuenschwander. "A Pedagogical Model of General Covariance Coupling Electrodynamics and Gravitation." Physics Educator 03, no. 01 (2021): 2150003. http://dx.doi.org/10.1142/s2661339521500037.

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In his 1951 model of the effects of a star’s radiation on its gravitation, P.C. Vaidya used radiation fields of flat spacetime. Wondering why Vaidya did not include the effects of gravitation on electrodynamics, we apply the principle of general covariance to gravitation and radiation. Others have addressed this problem with numerical methods, but, like Vaidya, we seek an analytic solution. Along the way, we see how prescient was Vaidya’s choice in modeling the radiation. Pursued originally as a pedagogical exercise with undergraduate physicists, our results compare favorably to similar models

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UKITA, M., M. KOMACHIYA, and R. FUKUDA. "GAUGE INVARIANT STUDY OF THE STRONG COUPLING PHASE OF MASSLESS QUANTUM ELECTRODYNAMICS." International Journal of Modern Physics A 05, no. 09 (1990): 1789–800. http://dx.doi.org/10.1142/s0217751x90000830.

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The strong coupling phase of massless Quantum Electrodynamics is studied in a gauge invariant way. The formalism is given in which the order parameter of the chiral symmetry breaking is calculated through the vacuum polarization diagrams. Applying this method, the critical coupling constant is shown to exist that is independent of the gauge parameter but is now dependent on the ratio of the two kinds of cutoff. Implication of this new parameter on the renormalization scheme in the strong coupling phase is discussed.

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Nascimento, Leandro O., Carlos A. P. C. Junior, and José R. Santos. "The Effective Potential of Scalar Pseudo-Quantum Electrodynamics in (2 + 1)D." Condensed Matter 9, no. 2 (2024): 25. http://dx.doi.org/10.3390/condmat9020025.

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The description of the electron–electron interactions in two-dimensional materials has a dimensional mismatch, where electrons live in (2 + 1)D while photons propagate in (3 + 1)D. In order to define an action in (2 + 1)D, one may perform a dimensional reduction of quantum electrodynamics in (3 + 1)D (QED4) into pseudo-quantum electrodynamics (PQED). The main difference between this model and QED4 is the presence of a pseudo-differential operator in the Maxwell term. However, besides the Coulomb repulsion, electrons in a material are subjected to several microscopic interactions, which are inh

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Humbert, Mélodie, Romain Hernandez, Peter Wiecha, et al. "(Invited) Simple and Optimized Silicon Nano-Antennas for Quantum Emitter Control." ECS Meeting Abstracts MA2024-01, no. 22 (2024): 1317. http://dx.doi.org/10.1149/ma2024-01221317mtgabs.

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Improving the brightness and efficiency of single photon sources by the mean of optically resonant nanostructures is a major stake for the development of efficient nanodevices for quantum communications. For a couple of decades, these resonant nanostructures have mainly been made of noble metal that sustain strong localized resonances (LSPR) that can be used to manipulate, concentrate or redirect visible light. Such properties have led to numerous actual or potential applications in integrated optics, sensors, nonlinear optics, field-enhanced spectroscopies, or photovoltaics. Recently, an alte

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Ballarini, Dario, and Simone De Liberato. "Polaritonics: from microcavities to sub-wavelength confinement." Nanophotonics 8, no. 4 (2019): 641–54. http://dx.doi.org/10.1515/nanoph-2018-0188.

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AbstractFollowing the initial success of cavity quantum electrodynamics in atomic systems, strong coupling between light and matter excitations is now achieved in several solid-state set-ups. In those systems, the possibility to engineer quantum emitters and resonators with very different characteristics has allowed access to novel nonlinear and non-perturbative phenomena of both fundamental and applied interest. In this article, we will review some advances in the field of solid-state cavity quantum electrodynamics, focussing on the scaling of the relevant figures of merit in the transition f

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Ama-Tul-Mughani, Qanitah, and M. Sharif. "Stability analysis of anisotropic universe in nonlinear electrodynamics." International Journal of Modern Physics D 28, no. 16 (2019): 2040003. http://dx.doi.org/10.1142/s0218271820400039.

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This paper is devoted to analyze the stability of locally rotationally symmetric Bianchi type I model through phase space portrait in the presence of nonlinear electrodynamics. The normalized dimensionless quantities are introduced to construct an autonomous system of equations. The critical points and respective eigenvalues are evaluated for different linear forms of coupling between scalar field models and dark matter to discuss the stability of the cosmos. We conclude that the increase/decrease of stability in the presence of nonlinear electrodynamics completely depends on the choice of int

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BALART, LEONARDO. "ENERGY DISTRIBUTION OF (2+1)-DIMENSIONAL BLACK HOLES WITH NONLINEAR ELECTRODYNAMICS." Modern Physics Letters A 24, no. 34 (2009): 2777–85. http://dx.doi.org/10.1142/s021773230903117x.

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The energy distributions for a black hole solution resulting from coupling electrodynamics and gravity in (2+1) dimensions are obtained. This solution considers the correction for a (2+1) static charged black hole from the first contribution of the weak field limit of one-loop QED in (2+1) dimensions. The Einstein and Møller energy–momentum prescriptions are used to evaluate the energy distributions associated with the mentioned (2+1)-dimensional black hole and other (2+1) black hole solutions coupled with nonlinear electrodynamics. A relation that connects the coefficients of both prescriptio

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Ahmadi, E., H. R. Chalabi, A. Arab, and S. Khorasani. "Cavity quantum electrodynamics in the ultrastrong coupling regime." Scientia Iranica 18, no. 3 (2011): 820–26. http://dx.doi.org/10.1016/j.scient.2011.06.009.

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Niemczyk, T., F. Deppe, H. Huebl, et al. "Circuit quantum electrodynamics in the ultrastrong-coupling regime." Nature Physics 6, no. 10 (2010): 772–76. http://dx.doi.org/10.1038/nphys1730.

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Aldabergenov, Yermek, and Sergei Ketov. "Modified Born–Infeld-Dilaton-Axion Coupling in Supersymmetry." Symmetry 11, no. 1 (2018): 14. http://dx.doi.org/10.3390/sym11010014.

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We propose the supersymmetric extension of the modified Born–Infeld-axion-dilaton non-linear electrodynamics that has confined static abelian solutions used for describing the electromagnetic confinement in the presence of axion and dilaton fields, as well as charged matter. The supersymmetric extension also has the non-trivial scalar potential that implies the upper bounds on the matter fields.

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Kravets, Vira V., Oleg A. Yeshchenko, Victor V. Gozhenko, et al. "Electrodynamic coupling in regular arrays of gold nanocylinders." Journal of Physics D: Applied Physics 45, no. 4 (2012): 045102. http://dx.doi.org/10.1088/0022-3727/45/4/045102.

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Lu, I.-Te, Michael Ruggenthaler, Nicolas Tancogne-Dejean, Simone Latini, Markus Penz, and Angel Rubio. "Electron-photon exchange-correlation approximation for quantum-electrodynamical density-functional theory." Physical Review A 109, no. 5 (2024). http://dx.doi.org/10.1103/physreva.109.052823.

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Quantum-electrodynamical density-functional theory (QEDFT) provides a promising avenue for exploring complex light-matter interactions in optical cavities for real materials. Similar to conventional density-functional theory, the Kohn-Sham formulation of QEDFT needs approximations for the generally unknown exchange-correlation functional. In addition to the usual electron-electron exchange-correlation potential, an approximation for the electron-photon exchange-correlation potential is needed. A recent electron-photon exchange functional [C. Schäfer , ], derived from the equation of motion of

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Li, Qiaoling, Shuhan Li, Junjie Chen, et al. "Polar and Equatorial Ionospheric Electrodynamical Coupling Under a Prolonged Northward B_z Interval." Journal of Geophysical Research: Space Physics 128, no. 11 (2023). http://dx.doi.org/10.1029/2023ja032079.

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AbstractThe interplanetary magnetic field (IMF) significantly influences the global ionospheric electrodynamics, but it is still largely unknown the high‐ and low‐latitude ionospheric electrodynamical coupling under long‐duration northward IMF Bz (NBz) and By conditions. During the long‐duration NBz and duskward By conditions (Kp < 2, AE < 100 nT, SYM‐H > −25 nT) on 20 August 2014, six pairs of magnetometer data showed that daytime equatorial electrojet (EEJ) underwent strong decreases (reach up to 90%) at wide longitudes. Thermosphere‐ionosphere‐electrodynamics general circulation mo

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