Academic literature on the topic 'Electromagnetism'

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Journal articles on the topic "Electromagnetism"

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Doria, Renato, J. Chauca, and I. Soares. "Four Bosons Electromagnetism." JOURNAL OF ADVANCES IN PHYSICS 10, no. 1 (August 5, 2015): 2610–40. http://dx.doi.org/10.24297/jap.v10i1.1341.

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Based on light invariance and electric conservation a four bosons electromagnetism is proposed. It enlarges the electric charge conservation beyond displacement current and Dirac charge to a new physical situation where the electromagnetic phenomena is mediated by the usual photon plus a massive photon and two additional charged vector bosons.Considering the enlarged abelian gauge symmetry U(1) SO(2) transforming under a same gauge parameter a non-linear electromagnetism involving four bosons is introduced. It deploys a Lagrangian containing massless, massive and charged elds with three and four vector bosons interactions. The corresponding Noether's relations and classical equations of motion are studied. They provide a whole dynamics involving granular, collective terms through antisymmetric and symmetric sectors. It develops a new photon equation which extends the Maxwell's one. Self interacting photons are obtained.A four boson electromagnetic ux is derived. It expresses an electromagnetism transfering 4Q = 0 and j4Qj = 1, not more limited to just a massless photon. There is a new electromagnetic owing to be understood, where aside of electric charge conservation, it appears a neutral electromagnetism. There are six neutral electromagnetic charges beyond electric charge as consequences from non-linearity. Two are derived from the second Noether identity and four from variational continuity equations. An electromagnetic ux being conducted by a whole physics is generated. Based on elds set, it develops a determinism under the meaning of directive and circumstance. Interpreting that, light invariance concises the photon as directive, the photon becomes a whole maker. It assumes the symmetry command which will control the conservations laws and opportunities. Consequently, one combines the symmetry equation derived fromNoether theorem with the four equations derived from variational principle, and an effective photon equation is obtained. A kind of Navier-Stokes electromagnetic ow is derived. It yields a four bosons electromagnetism preserving electric charge conservation plus introducting the meaning of chance through symmetry management.
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Bezen, Sevim, Işıl Aykutlu, and Celal Bayrak. "An Examination of the Relationship between High School Students’ Self-efficacy Perceptions Concerning Electromagnetism and Their Academic Success." SHS Web of Conferences 48 (2018): 01049. http://dx.doi.org/10.1051/shsconf/20184801049.

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In the study, “Magnetism and Electromagnetic Induction” topic, which is part of the unit titled Electricity and Magnetism within the 11th grade Physics program that came into effect in 2013. In this study that aims to examine the relationship between high school students’ self-efficacy perceptions concerning electromagnetism and their academic success, study group consists of students who are enrolled at the 11th grade of Anatolian high schools in Ankara. Selection criterion was that students have completed covering “Magnetism and Electromagnetic Induction” topic. Within the scope of the study, answers to following questions were sought: “What is the self-efficacy level of 11th-grade students concerning electromagnetism?”, “What is the academic success levels of 11th grade students concerning electromagnetism?” and “Is there a meaningful relationship between students’ perception of self-efficacy concerning electromagnetism and their academic success?”. At the end of the study, it was revealed that students experience problems with electromagnetism, and thus they do not have a high perception of self-efficacy.
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Osorio-Vélez, Beatriz Elena, Jaime Alberto Osorio-Velez, Luz Stella Mejía-Aristizabal, Gloria Eugenia Campillo-Figueroa, and Rodrigo Covaleda. "El papel de la actividad experimental en la enseñanza y aprendizaje del electromagnetismo en la educación superior -The results of the research are presented: "The role of experimental activity in teaching electromagnetics in higher education." Revista Científica 2, no. 22 (October 10, 2015): 85. http://dx.doi.org/10.14483/10.14483/udistrital.jour.rc.2015.22.a7.

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Se presentan los resultados del proyecto de investigación: “El papel de la actividad experimental en la enseñanza del electromagnetismo en la educación superior”. Su objetivo fue diseñar una propuesta de enseñanza del electromagnetismo, basada en la actividad experimental que contribuya con el proceso enseñanza y aprendizaje a nivel universitario. Para ello se trabajó con un grupo de estudiantes de ingeniería de dos instituciones de Educación Superior: Institución Universitaria Pascual Bravo y la Universidad de Antioquia. Los estudiantes que hicieron parte de la propuesta, respondieron un cuestionario de cuatro preguntas sobre electromagnetismo. Las preguntas fueron seleccionadas de acuerdo a investigaciones previas que sobre el mismo tema se realizaron en estudiantes que solamente habían realizado el curso teórico. Los resultados de este último grupo, evidenció dificultades para explicar fenómenos relacionados con el electromagnetismo, mientras que el grupo de estudiantes que realizó el trabajo experimental, mostró una mejor comprensión del fenómeno, logrando estructurar y organizar sus explicaciones.ABSTRACT The results of the research are presented: "The role of experimental activity in teaching electromagnetics in higher education." Their goal was to design a proposal for teaching electromagnetism, based on the experimental activity that contributes to the teaching and learning process at the university level. To do this, we worked with a group of engineering students from two institutions of higher education: University Pascual Bravo Institute and the University of Antioquia. Students who were part of the proposal, a questionnaire of four questions on electromagnetism. The questions were selected based on previous research on the same topic were conducted in students who had just completed the theoretical course. The results of the latter group showed difficulty explaining phenomena related to electromagnetism, while the group of students who performed the experimental work, showed a better understanding of the phenomenon, managing to structure and organize their explanations.
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JO, Kwang Hee. "Supermarket as a Treasure Trove of Teaching Aids for Electromagnetism." Physics and High Technology 32, no. 10 (October 31, 2023): 15–18. http://dx.doi.org/10.3938/phit.32.027.

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One of the reasons why electromagnetism is difficult to learn is that the fundamental elements of electromagnetic phenomena are invisible. In addition, there are relatively few teaching aids for university-level electromagnetism lectures compared to elementary and secondary schools. This article is about my experience of making teaching aids, easily purchased at supermarkets, and using it in college lectures. I hope these attempts will be helpful in electromagnetism education.
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Xiong, Guang Jie, and Ling Li. "Finite Element Analysis of Electromagnetic Device in Magnetorheological Fluid Brake." Applied Mechanics and Materials 268-270 (December 2012): 1448–52. http://dx.doi.org/10.4028/www.scientific.net/amm.268-270.1448.

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Magnetorheological fluid (MRF) Brake is a newly-developed intelligent brake in which traditional mechanical brake friction pairs are replaced by MRF materials and the electromagnetism devices are very important components. The controllable magnetic fields are generated by electromagnetism devices which can make MRF materials create related braking torque to control the braking performance of the MRF Brake. In this paper, the electromagnetism device consists of several coil sets which can generate electromagnetic fields for MRF Brake. By using finite element analysis, the magnetic fields generated by electromagnetism devices are compared analytically under the different conditions, and then the optimum parameters are obtained such as coil arrangements, excitation currents and air gap distances and etc. All these evidences are helpful to design the structure of electromagnetism devices in MRF Brake.
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Bajpai, Shrish, Siddiqui Sajida Asif, and Syed Adnan Akhtar. "Electromagnetic Education in India." Comparative Professional Pedagogy 6, no. 2 (June 1, 2016): 60–66. http://dx.doi.org/10.1515/rpp-2016-0020.

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Abstract Out of the four fundamental interactions in nature, electromagnetics is one of them along with gravitation, strong interaction and weak interaction. The field of electromagnetics has made much of the modern age possible. Electromagnets are common in day-to-day appliances and are becoming more conventional as the need for technology increases. Electromagnetism has played a vital role in the progress of human kind ever since it has been understood. Electromagnets are found everywhere. One can find them in speakers, doorbells, home security systems, anti-shoplifting systems, hard drives, mobiles, microphones, Maglev trains, motors and many other everyday appliances and products. Before diving into the education system, it is necessary to reiterate its importance in various technologies that have evolved over time. Almost every domain of social life has electromagnetic playing its role. Be it the mobile vibrators you depend upon, a water pump, windshield wipers during rain and the power windows of your car or even the RFID tags that may ease your job during shopping. A flavor of electromagnetics is essential during primary level of schooling for the student to understand its future prospects and open his/her mind to a broad ocean of ideas. Due to such advancements this field can offer, study on such a field is highly beneficial for a developing country like India. The paper presents the scenario of electromagnetic education in India, its importance and numerous schemes taken by the government of India to uplift and acquaint the people about the importance of EM and its applications.
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Ibbotson, L. "The Fundamentals of Electromagnetism Revisited." International Journal of Electrical Engineering & Education 33, no. 1 (January 1996): 5–7. http://dx.doi.org/10.1177/002072099603300102.

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The fundamentals of electromagnetism revisited In this note the author attempts to articulate the theoretical model of electromagnetism used by electrical engineers. Despite the success of this model, physicists persist in using a different, and in the author's opinion, inferior, model to explain macroscopic electromagnetic phenomena.
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Tartaglia, A., and M. L. Ruggiero. "Gravito-electromagnetism versus electromagnetism." European Journal of Physics 25, no. 2 (December 4, 2003): 203–10. http://dx.doi.org/10.1088/0143-0807/25/2/007.

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Zong, Shiqi, Chaoqun Jiao, Jiangong Zhang, and Zheyuan Gan. "Research on electromagnetism scattered from electricity power supply towers based on orthogonal test designs." Journal of Physics: Conference Series 2797, no. 1 (July 1, 2024): 012017. http://dx.doi.org/10.1088/1742-6596/2797/1/012017.

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Abstract For the protection of transmission towers against electromagnetism interference to peripheral radio radar stations, this paper designs orthogonal tests to investigate the electromagnetism scattered efficiency of UHV transmission towers. The towers were mathematically modeled, and the influence of three main factors, tower spacing, frequency, and number of transmitting pylons, on the electromagnetism scattered is investigated. Each factor corresponds to three levels of study and nine sets of orthogonal tests were designed to greatly simplify the number of simulations. Three-factor analysis of variance was undertaken on test data and demonstrated that frequency was the main factor affecting electromagnetic scattering, with tower spacing being the next most influential and many towers the least influential. With the main and secondary effects in mind, the combination with the most significant effect of interaction effects on electromagnetic scattering was selected as the five towers with frequency 1400 kHz and tower spacing 200 m. The investigated outcomes lay the foundation and supply instructions for multi-factor analyses of electromagnetic scattering.
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Hammond, Richard T. "Topological interaction of electromagnetism and torsion." Modern Physics Letters A 33, no. 03 (January 29, 2018): 1850021. http://dx.doi.org/10.1142/s0217732318500219.

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A fully gauge-invariant topological coupling of torsion to the electromagnetic field is examined. It is shown, while the gravitational fields are unaltered, torsion may serve as a source for electromagnetism and electromagnetism may serve as a source for torsion. Unlike most couplings, this gives rise to conservation of charge, no magnetic monopoles, and is in agreement with the principle of equivalence.
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Dissertations / Theses on the topic "Electromagnetism"

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Fouda, Ahmed Elsayed. "Electromagnetic Time-Reversal Imaging and Tracking Techniques for Inverse Scattering and Wireless Communications." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1366202740.

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Alkhateeb, Osama. "Singularity-Free Boundary Methods for Electrostatics and Wave Scattering." University of Akron / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=akron1334816052.

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Bau-Hsing, Ann. "Computer-aided electromagnetic analysis of chokes and transformers." The Ohio State University, 1986. http://rave.ohiolink.edu/etdc/view?acc_num=osu1438255468.

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Moon, Haksu. "Robust Algorithms for Electromagnetic Field Computation with Conduction Currents and Kinetic Charge-Transport Models." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1440193844.

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Abumunshar, Anas Jawad. "Tightly Coupled Dipole Array with Integrated Phase Shifters for Millimeter-Wave Connectivity." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1491172877293751.

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Peng, Shaoxin. "Direct Evaluation of Hyper-singularity in Integral Equation with Adaptive Mesh Refinement." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1557107644500354.

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Fernández, Varea José María. "Interactions of electrons with matter." Doctoral thesis, Universitat de Barcelona, 1992. http://hdl.handle.net/10803/667581.

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The interaction of electrons with matter has been a subject of intense work since the beginning of the century. Although we know that the interaction is purely electromagnetic, its theoretical description is complicated by two different reasons. On the one hand, the number of particles that participate in the interaction may be very large. Even when the target is a single hydrogen atom, the collision is a three body problem for which only approximate solutions of the wave equation are known. Therefore, the interaction can only be treated by using approximate many-body methods. In particular, scattering of fast electrons by single atoms can be reasonably well understood on the basis of independent particle models. On the other hand, when the medium where the projectile moves extends over a. large volume, the projectile may interact repeatedly with the medium. The proper tools to deal with problems involving electron penetration in matter are multiple scattering theories and/or Monte Carlo simulation. The aim of this thesis is to provide a consistent basis for the development of Monte Carlo simulation algorithms which are more accurate than the ones presently available. In fact, a high-energy simulation code based on relevant parts of this thesis is already operable; and a program to simulate electron transport at intermediate and low energies (below about 100 keV) is currently being developed from the theory presented in this work. The reliability of the simulation results obtained with these codes will offer the ultimate demonstration of the correctness and effectiveness of the approaches described here. The thesis is structured in four chapters. Chapter 1 is devoted to the evaluation of reliable single elastic scattering cross sections for high energies. Multiple elastic scattering is considered in detail in chapter 2. Chapter 3 is devoted o the inelastic scattering of low-energy electrons in solids. In chapter4 we consider the energy loss of high-energy electrons and positrons in matter.
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Borges, A. Tarisco. "Mental models of electromagnetism." Thesis, University of Reading, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342567.

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Skinfill, Craig Ernest. "Electromagnetism in Gravitational Collapse." BYU ScholarsArchive, 2005. https://scholarsarchive.byu.edu/etd/349.

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A numerical approach to including electromagnetism with general relativity is developed using GRAXI as a starting point. We develop a mathematical model describing electromagnetism coupled to a scalar field in an evolving axisymmetric spacetime. As there are numerous formulations of electromagnetism, we evalute different formulations in a limited flat space case. The full curved space system is then developed, using the flat case as a guide to implementing electromagnetism. This model is then implemented using GRAXI as a code base.
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Young, André. "Mesh termination schemes for the finite element method in electromagnetics /." Link to the online version, 2007. http://hdl.handle.net/10019/735.

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Books on the topic "Electromagnetism"

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Fuller, A. J. Baden. Engineering electromagnetism. Chichester: Wiley, 1993.

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Bartolo, Baldassare Di. Classical theory of electromagnetism. Englewood Cliffs, N.J: Prentice Hall, 1991.

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Bartolo, Baldassare Di. Classical theory of electromagnetism. Englewood Cliffs, N.J: Prentice Hall, 1991.

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H, Frey Allan, ed. On the nature of electromagnetic field interactions with biological systems. Austin: R.G. Landes, 1994.

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Kamberaj, Hiqmet. Electromagnetism. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-96780-2.

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Bécherrawy, Tamer. Electromagnetism. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118562215.

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Powell, R. G. Electromagnetism. London: Macmillan Education UK, 1990. http://dx.doi.org/10.1007/978-1-349-10601-1.

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Brewster, Hilary D. Electromagnetism. Jaipur, India: Oxford Book Co., 2010.

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Open University. SMT356 Course Team. Electromagnetism. [Milton Keynes]: Open University, 1998.

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Choudhury, M. H. Electromagnetism. Chichester, West Sussex, England: E. Horwood, 1989.

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Book chapters on the topic "Electromagnetism"

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Bambi, Cosimo. "Electromagnetism." In Introduction to General Relativity, 67–84. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-1090-4_4.

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Felsager, Bjørn. "Electromagnetism." In Geometry, Particles, and Fields, 3–31. New York, NY: Springer New York, 1998. http://dx.doi.org/10.1007/978-1-4612-0631-6_1.

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Kibble, R. "Electromagnetism." In Making Use of Physics for GCSE, 163–71. London: Macmillan Education UK, 1989. http://dx.doi.org/10.1007/978-1-349-10328-7_17.

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Dobbs, E. R. "Electromagnetism." In Basic Electromagnetism, 66–78. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-2112-5_5.

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Sachs, Mendel. "Electromagnetism." In Quantum Mechanics and Gravity, 79–96. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-09640-6_5.

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Rowe, E. G. Peter. "Electromagnetism." In Springer Monographs in Mathematics, 165–200. London: Springer London, 2001. http://dx.doi.org/10.1007/978-1-4471-3893-8_5.

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Gull, Stephen, Chris Doran, and Anthony Lasenby. "Electromagnetism." In Clifford (Geometric) Algebras, 95–110. Boston, MA: Birkhäuser Boston, 1996. http://dx.doi.org/10.1007/978-1-4612-4104-1_8.

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Morris, Noel M. "Electromagnetism." In Mastering Electronic and Electrical Calculations, 127–48. London: Macmillan Education UK, 1996. http://dx.doi.org/10.1007/978-1-349-13705-3_7.

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Morris, Noel M. "Electromagnetism." In Mastering Electrical Engineering, 121–56. London: Macmillan Education UK, 1985. http://dx.doi.org/10.1007/978-1-349-18015-8_7.

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Lindner, Albrecht, and Dieter Strauch. "Electromagnetism." In Undergraduate Lecture Notes in Physics, 163–274. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-04360-5_3.

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Conference papers on the topic "Electromagnetism"

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Scholz, Eike, Sebastian Lange, and Thomas Eibert. "Exact discrete electromagnetism for electromagnetic system security." In 2014 International Symposium on Electromagnetic Compatibility - EMC EUROPE. IEEE, 2014. http://dx.doi.org/10.1109/emceurope.2014.6930893.

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Calvin, H. A., and S. P. Virostek. "Armature electromagnetism." In International Conference on Plasma Sciences (ICOPS). IEEE, 1993. http://dx.doi.org/10.1109/plasma.1993.593484.

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"Applied Electromagnetism." In 2021 IEEE 26th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory (DIPED). IEEE, 2021. http://dx.doi.org/10.1109/diped53165.2021.9552312.

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Scholz, Eike, Sebastian Lange, and Thomas Eibert. "Algebraic Electromagnetism." In 2016 URSI International Symposium on Electromagnetic Theory (EMTS). IEEE, 2016. http://dx.doi.org/10.1109/ursi-emts.2016.7571435.

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Hammond, P. "Physical processes in electromagnetism." In IEE Colloquium on EMC-Fundamentals. IEE, 1996. http://dx.doi.org/10.1049/ic:19960307.

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Nagali, Vanisha S., and Saniya Nagali. "Faraday’s Motor and Electromagnetism." In 2021 IEEE Integrated STEM Education Conference (ISEC). IEEE, 2021. http://dx.doi.org/10.1109/isec52395.2021.9764123.

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Oue, Daigo. "Classical electromagnetism at thermal equilibrium." In Nanophotonics VIII, edited by David L. Andrews, Jean-Michel Nunzi, Martti Kauranen, and Angus J. Bain. SPIE, 2020. http://dx.doi.org/10.1117/12.2555448.

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Pfeifer, Robert N. C., Timo A. Nieminen, Norman R. Heckenberg, and Halina Rubinsztein-Dunlop. "Two controversies in classical electromagnetism." In SPIE Optics + Photonics, edited by Kishan Dholakia and Gabriel C. Spalding. SPIE, 2006. http://dx.doi.org/10.1117/12.678953.

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Dubois, Daniel M. "Anticipatory effects in relativistic electromagnetism." In The fourth international conference on computing anticipatory systems (CASYS 2000). AIP, 2001. http://dx.doi.org/10.1063/1.1388675.

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Lopez-Torres, A. M., J. Lobera, C. Sanchez-Azqueta, and F. J. Torcal-Milla. "Support materials for teaching Electromagnetism." In 2022 Congreso de Tecnología, Aprendizaje y Enseñanza de la Electrónica (XV Technologies Applied to Electronics Teaching Conference (TAEE). IEEE, 2022. http://dx.doi.org/10.1109/taee54169.2022.9840597.

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Reports on the topic "Electromagnetism"

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Gaillard, M. K., and B. Zumino. Self-duality in nonlinear electromagnetism. Office of Scientific and Technical Information (OSTI), May 1997. http://dx.doi.org/10.2172/505700.

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Cote, Paul, and Mark Johnson. New Perspective on Classical Electromagnetism. Fort Belvoir, VA: Defense Technical Information Center, April 2013. http://dx.doi.org/10.21236/ada584436.

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Cote, Paul J., and Mark Johnson. Required Revisions to Classical Electromagnetism. Fort Belvoir, VA: Defense Technical Information Center, October 2008. http://dx.doi.org/10.21236/ada593782.

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Brown, Jr., Charles G., Amy Cooper, and Alastair S. Moore. Numerical Electromagnetics Simulations of the Leakage Through the Pump-out Holes in the DISC Electromagnetic Interference Shield. Office of Scientific and Technical Information (OSTI), October 2010. http://dx.doi.org/10.2172/1122247.

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Glushko, E. Ya, and A. N. Stepanyuk. The multimode island kind photonic crystal resonator: states classification. SME Burlaka, 2017. http://dx.doi.org/10.31812/0564/1561.

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In this work, we consider a new calculation method to solve the eigenvalue problem for electromagnetic field in finite 2D structures including the modes distribution through the system. The field amplitude distribution is valuable if the signal energy inside the system should be transformed in most effective way. The method proposed for finite resonators operates with open boundary conditions that are important to account the electromagnetic field non-periodicity in a finite system.
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Lee, Richard. PR-398-133719-R02 Inspection of Composite Repairs for Pipelines and Piping - Phase 3 Further NDE Trials. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), April 2020. http://dx.doi.org/10.55274/r0011662.

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In the current extension of the work, three additional inspection trials were successfully completed by two NDE vendors, Sonomatic Ltd and Testex, Inc. The Sonomatic inspection team used two advanced ultrasonic techniques, M-skip and Dynamic Response Spectroscopy (DRS). The Testex team used an existing Low Frequency Electromagnetic Technique (LFET) and a recently developed Off-Surface Electromagnetic Technique (OSET). Both electromagnetic tests are complementary. The LFET was designed to scan bare metals as well as through paints and protective coatings. OSET has been specifically developed for inspection of corrosion (and girth weld location) under insulation (CUI). Both M-skip and LFET/ OSET successfully reported the correct axial/ circumferential location and extent of the external pipe wall defects as well as the location of the longitudinal ERW seam welds. The DRS technique, successfully detected the debonded regions that contained interlaminar and interfacial debonding.
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Díaz Martín, Álvaro, and Marco Castrillón López. Modelos geométricos en electromagnetismo. Fundación Avanza, May 2023. http://dx.doi.org/10.60096/fundacionavanza/2162022.

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Se estudia la teoría clásica del electromagnetismo como una teoría gauge con grupo de simetría U(1). Así mismo, se describe una teoría de discretización del cálculo para poder obtener resultados numéricos.
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Perez, Ray, Chris Holloway, Ahmed Kishk, and Allen Glisson. Applied Computational Electromagnetics Society Journal. Special Issue on Computational Electromagnetic Techniques in Mobile Wireless Communications. Volume 15, Number 3, 2000. Fort Belvoir, VA: Defense Technical Information Center, January 2000. http://dx.doi.org/10.21236/ada389118.

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Bruno, Oscar. Computational Electromagnetics. Fort Belvoir, VA: Defense Technical Information Center, April 2005. http://dx.doi.org/10.21236/ada434075.

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Reitich, Fernando. Computational Electromagnetics. Fort Belvoir, VA: Defense Technical Information Center, December 2004. http://dx.doi.org/10.21236/ada434574.

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