Academic literature on the topic 'Physics. Electromagnetism. Gravitational fields'

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Journal articles on the topic "Physics. Electromagnetism. Gravitational fields"

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Lo, C. Y. "Incompleteness of General Relativity, Einstein's Errors, and Related Experiments-- American Physical Society March meeting, Z23 5, 2015 --." JOURNAL OF ADVANCES IN PHYSICS 8, no. 2 (2015): 2135–47. http://dx.doi.org/10.24297/jap.v8i2.1515.

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General relativity is incomplete since it does not include the gravitational radiation reaction force and the interaction of gravitation with charged particles. General relativity is confusing because Einstein's covariance principle is invalid in physics. Moreover, there is no bounded dynamic solution for the Einstein equation. Thus, Gullstrand is right and the 1993 Nobel Prize for Physics press release is incorrect. Moreover, awards to Christodoulou reflect the blind faith toward Einstein and accumulated errors in mathematics. Note that the Einstein equation with an electromagnetic wave sourc
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SPANIOL, E. P., and V. C. DE ANDRADE. "GRAVITOMAGNETISM IN TELEPARALLEL GRAVITY." International Journal of Modern Physics D 19, no. 04 (2010): 489–505. http://dx.doi.org/10.1142/s0218271810016476.

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The assumption that matter charges and currents could generate fields, which are called, in analogy with electromagnetism, gravitoeletric and gravitomagnetic fields, dating from the origins of General Relativity (GR). On the other hand, the Teleparallel Equivalent of GR (TEGR), as a gauge theory, seems to be the ideal scenario to define these fields, based on the gauge field strength components. The purpose of the present work is to investigate the nature of the gravitational electric and magnetic fields in the context of the TEGR, where the tetrad formalism on which it is based seems more sui
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Demir, Süleyman, and Murat Tanışlı. "Spacetime algebra for the reformulation of fluid field equations." International Journal of Geometric Methods in Modern Physics 14, no. 05 (2017): 1750075. http://dx.doi.org/10.1142/s021988781750075x.

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In the light of the analogy between electromagnetism and fluid dynamics, the Maxwell-type equations of compressible fluids are reformulated on the basis of spacetime algebra. In this paper, it is proved that this algebra provides an efficient mathematical tool for describing fluid fields in a compact and elegant way. Moreover, the fluid wave equation in terms of potentials are derived in a form similar to electromagnetic and gravitational counterparts previously derived using spacetime algebra.
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Curran, Michael J. "A proposal for an electrical connection between the gravitational field and light." Physics Essays 33, no. 3 (2020): 271–75. http://dx.doi.org/10.4006/0836-1398-33.3.271.

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Based on well-established equations, we provide evidence of an electrical connection between the gravitational field and light. Each is modeled using the inductance‐capacitance ( <mml:math display="inline"> <mml:mrow> <mml:mi>L</mml:mi> <mml:mi>C</mml:mi> </mml:mrow> </mml:math> ) circuit as the building block. A proposed direct photon force (not a pressure and not by means of a force carrier), the relationship between the speed of light and gravity, the frequency and wavelength of gravitational waves, gravitational redshift, the trajectory of pl
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Kumar, Rajesh, and S. K. Srivastava. "Bianchi type VI0 cosmology with purely magnetic and purely electric space time." International Journal of Geometric Methods in Modern Physics 11, no. 05 (2014): 1450043. http://dx.doi.org/10.1142/s0219887814500431.

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In General Relativity, the electric (Eαβ) and magnetic (Hαβ) parts of Weyl tensor are the gravitational quantities that play an analogous role to the electric and magnetic fields in classical electromagnetism. The present study deals with Bianchi type VI0 cosmological model with purely magnetic (PM) and purely electric (PE) space time. Conditions of PM (PE) solutions satisfy Eαβ = 0, Hαβ ≠ 0 (Hαβ = 0, Eαβ≠ 0). We present a new class of cosmological model with PM and PE solutions when the source of gravitation is perfectly fluid. Some physical and geometrical properties of the models are also d
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BASINI, GIUSEPPE, and SALVATORE CAPOZZIELLO. "A GENERAL COVARIANT SYMPLECTIC STRUCTURE FOR GRAVITATIONAL, ELECTROMAGNETIC AND DIRAC FIELDS." International Journal of Modern Physics D 15, no. 04 (2006): 583–602. http://dx.doi.org/10.1142/s0218271806008310.

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We derive a general covariant symplectic structure which leads to holonomic and anholonomic formulations of Hamilton equations of motion related to the hydrodynamic picture of mechanics. Such a structure can be achieved starting from generic bilinear Hamiltonians, constructed by covariant vector, bivector or tensor fields. This feature is gage-free and it realizes a deep link toward canonical quantization for interactions like electromagnetism, gravity and Dirac fields.
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Aymaz, İsmail, and Mustafa Emre Kansu. "Dual-complex quaternion representation of gravitoelectromagnetism." International Journal of Geometric Methods in Modern Physics 18, no. 11 (2021): 2150178. http://dx.doi.org/10.1142/s0219887821501784.

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In this paper, we propose the generalized description of electromagnetism and linear gravity based on the combined dual numbers and complex quaternion algebra. In this approach, the electromagnetic and gravitational fields can be considered as the components of one combined dual-complex quaternionic field. It is shown that all relations between potentials, field strengths and sources can be formulated in the form of compact quaternionic differential equations. The alternative reformulation of equations of gravitoelectromagnetism based on formalism of [Formula: see text] matrices is also discus
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Moored, Keith W. "Effect of conservation of spatial volume on electromagnetism." Physics Essays 34, no. 2 (2021): 248–55. http://dx.doi.org/10.4006/0836-1398-34.2.248.

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This essay presents an alternate mechanism for electromagnetism and provides arguments supporting new concepts of this phenomenon. Electricity and magnetism are defined and influenced by the electric permittivity ε o and magnetic permeability μ o physical constants of the vacuum. This essay's concepts are predicated on the notion that the free-space vacuum appears to be composed of an energy field with characteristics of an elastic medium termed the “spatial energy field” or SEF. It is proposed that the geometric volume of the SEF requires conservation, and this is achieved via stretching or c
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Fedosin, Sergey G. "Energy, momentum, mass, and velocity of a moving body in the light of gravitomagnetic theory." Canadian Journal of Physics 92, no. 10 (2014): 1074–81. http://dx.doi.org/10.1139/cjp-2013-0683.

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In the weak-field approximation of the covariant theory of gravitation the 4/3 problem is formulated for internal and external gravitational fields of a body in the form of a uniform ball. The dependence of the energy and the mass of the moving body on the energy of the field accompanying the body, as well as the dependence on the characteristic size of the body are described. Additions in the energy and the momentum of the system, defined by the energy and momentum of the gravitational and electromagnetic fields, associated with the body, are explicitly calculated. The conclusion is made that
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POPŁAWSKI, NIKODEM J. "GRAVITATION, ELECTROMAGNETISM AND THE COSMOLOGICAL CONSTANT IN PURELY AFFINE GRAVITY." International Journal of Modern Physics D 18, no. 05 (2009): 809–29. http://dx.doi.org/10.1142/s0218271809014777.

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The Eddington Lagrangian in the purely affine formulation of general relativity generates the Einstein equations with the cosmological constant. The Ferraris–Kijowski purely affine Lagrangian for the electromagnetic field, which has the form of the Maxwell Lagrangian with the metric tensor replaced by the symmetrized Ricci tensor, is dynamically equivalent to the Einstein–Maxwell Lagrangian in the metric formulation. We show that the sum of the two affine Lagrangians is dynamically inequivalent to the sum of the analogous Lagrangians in the metric–affine/metric formulation. We also show that s
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Dissertations / Theses on the topic "Physics. Electromagnetism. Gravitational fields"

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Medina, Jairzinho Ramos Gilmore Robert. "Gravitoelectromagnetism (GEM) : a group theoretical approach /." Philadelphia, Pa. : Drexel University, 2006. http://hdl.handle.net/1860/1123.

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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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Skinfill, Craig Ernest. "Electromagnetism in axisymmetric gravitational collapse /." Diss., CLICK HERE for online access, 2006. http://contentdm.lib.byu.edu/ETD/image/etd1152.pdf.

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Ng, Yifung. "It’s All About Electromagnetism – From Magnetic Monopoles to Cosmological Magnetic Fields." Case Western Reserve University School of Graduate Studies / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=case1291413218.

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龔碧平 and Biping Gong. "Binary pulsar PSR1913+16 as a laboratory for gravitomagnetism and structure of neutron stars." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31241736.

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Gong, Biping. "Binary pulsar PSR1913+16 as a laboratory for gravitomagnetism and structure of neutron stars." Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk/hkuto/record.jsp?B23234490.

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Bollanda, Peter C. "A perturbative analysis of a Cosserat string in gravitational fields." Thesis, Lancaster University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288956.

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Johannsen, Tim. "Testing General Relativity in the Strong-Field Regime with Observations of Black Holes in the Electromagnetic Spectrum." Diss., The University of Arizona, 2012. http://hdl.handle.net/10150/238893.

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General relativity has been tested by many experiments, which, however, almost exclusively probe weak spacetime curvatures. In this thesis, I create two frameworks for testing general relativity in the strong-field regime with observations of black holes in the electromagnetic spectrum using current or near-future instruments. In the first part, I design tests of the no-hair theorem, which uniquely characterizes the nature of black holes in terms of their masses and spins in general relativity and which states that these compact objects are described by the Kerr metric. I investigate a quasi-K
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Honeycutt, David Carl. "Relativity via a Bergmannian Chronometric in a squared-dimensional hyperspace." Diss., Georgia Institute of Technology, 1990. http://hdl.handle.net/1853/27984.

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Feix, Martin. "Extragalactic and cosmological tests of gravity theories with additional scalar or vector fields." Thesis, University of St Andrews, 2011. http://hdl.handle.net/10023/1901.

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Despite the many successes of the current standard model of cosmology on the largest physical scales, it relies on two phenomenologically motivated constituents, cold dark matter and dark energy, which account for approximately 95% of the energy-matter content of the universe. From a more fundamental point of view, however, the introduction of a dark energy (DE) component is theoretically challenging and extremely fine-tuned, despite the many proposals for its dynamics. On the other hand, the concept of cold dark matter (CDM) also suffers from several issues such as the lack of direct experime
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Books on the topic "Physics. Electromagnetism. Gravitational fields"

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Multivalued fields in condensed matter, electromagnetism, and gravitation. World Scientific, 2008.

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Jefimenko, Oleg D. Causality, electromagnetic induction, and gravitation: A different approach to the theory of electromagnetic and gravitational fields. Electret Scientific Co., 1992.

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Jefimenko, Oleg D. Causality, electromagnetic induction, and gravitation: A different approach to the theory of electromagnetic and gravitational fields. 2nd ed. Electret Scientific Co., 2000.

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Sibgatullin, Nail R. Oscillations and Waves: In Strong Gravitational and Electromagnetic Fields. Springer Berlin Heidelberg, 1991.

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Theoretical physics: Gravity, magnetic fields, and wave functions. Nova Science Publisher, 2011.

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The nature of physical fields and forces. 2nd ed. [Robert P. Massé], 2009.

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Massé, Robert P. The nature of physical fields and forces. 2nd ed. [Robert P. Massé], 2009.

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Massé, Robert P. The nature of physical fields and forces. s.n.], 2006.

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service), SpringerLink (Online, ed. The Classical Theory of Fields: Electromagnetism. Springer Berlin Heidelberg, 2012.

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Inc, ebrary, ed. Visualization of fields and applications in engineering. Wiley, 2011.

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Book chapters on the topic "Physics. Electromagnetism. Gravitational fields"

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Pagels, Heinz R. "Gravitational Gauge Fields." In High-Energy Physics. Springer US, 1985. http://dx.doi.org/10.1007/978-1-4684-8848-7_18.

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Grøn, Øyvind. "Sources of Gravitational Fields." In Undergraduate Texts in Physics. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-43862-3_11.

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Sigl, Günter. "Weak Gravitational Fields and Gravitational Waves." In Atlantis Studies in Astroparticle Physics and Cosmology. Atlantis Press, 2016. http://dx.doi.org/10.2991/978-94-6239-243-4_13.

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Hall, Michael J. W., and Marcel Reginatto. "Ensembles of Classical Gravitational Fields." In Fundamental Theories of Physics. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-34166-8_10.

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Straumann, Norbert. "Physics in External Gravitational Fields." In General Relativity. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-11827-6_2.

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Straumann, Norbert. "Physics in External Gravitational Fields." In General Relativity. Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-5410-2_2.

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Lambiase, Gaetano, and Giorgio Papini. "Interferometers in Gravitational Fields." In The Interaction of Spin with Gravity in Particle Physics. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-84771-5_3.

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Lambiase, Gaetano, and Giorgio Papini. "Neutrinos in Gravitational Fields." In The Interaction of Spin with Gravity in Particle Physics. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-84771-5_4.

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Davies, P. C. W. "Quantum Effects in Strong Gravitational Fields." In Physics of Strong Fields. Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1889-7_49.

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van Holten, Jan Willem. "Gravitational waves and massless particle fields." In Lecture Notes in Physics. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/3-540-46634-7_13.

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Conference papers on the topic "Physics. Electromagnetism. Gravitational fields"

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Hobill, David W. "Numerical simulations of strong gravitational fields." In CAM-94 Physics meeting. AIP, 1995. http://dx.doi.org/10.1063/1.48789.

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Brandt, Fernando Tadeu, and João Bosco Siqueira. "Static Gravitational Fields at Finite Temperature." In 36th International Conference on High Energy Physics. Sissa Medialab, 2013. http://dx.doi.org/10.22323/1.174.0482.

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Cianci, Roberto. "Gravity and Yang-Mills Fields: Geometrical Approaches." In GENERAL RELATIVITY AND GRAVITATIONAL PHYSICS: 16th SIGRAV Conference on General Relativity and Gravitational Physics. AIP, 2005. http://dx.doi.org/10.1063/1.1891531.

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Lambiase, G. "Propagation of Neutrinos and Photons in Gravitational Fields." In GENERAL RELATIVITY AND GRAVITATIONAL PHYSICS: 16th SIGRAV Conference on General Relativity and Gravitational Physics. AIP, 2005. http://dx.doi.org/10.1063/1.1891533.

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Voronov, Sergey. "Gravitational models with nonlocal scalar fields." In The XIXth International Workshop on High Energy Physics and Quantum Field Theory. Sissa Medialab, 2011. http://dx.doi.org/10.22323/1.104.0072.

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Macías, Alfredo, and Marco Maceda. "Preface: Recent Developments on Physics in Strong Gravitational Fields." In RECENT DEVELOPMENTS ON PHYSICS IN STRONG GRAVITATIONAL FIELDS: V Leopoldo García-Colín Mexican Meeting on Mathematical and Experimental Physics. AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4861943.

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Perlick, Volker. "Gravitational lensing beyond the weak-field approximation." In RECENT DEVELOPMENTS ON PHYSICS IN STRONG GRAVITATIONAL FIELDS: V Leopoldo García-Colín Mexican Meeting on Mathematical and Experimental Physics. AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4861947.

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Fernández, Lizbeth M., L. Arturo Ureña-López, H. A. Morales-Tecotl, L. A. Urena-Lopez, R. Linares-Romero, and H. H. Garcia-Compean. "Scalar Fields and Black Holes." In GRAVITATIONAL PHYSICS: TESTING GRAVITY FROM SUBMILLIMETER TO COSMIC: Proceedings of the VIII Mexican School on Gravitation and Mathematical Physics. AIP, 2010. http://dx.doi.org/10.1063/1.3473874.

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Bozza, V. "Gravitational lensing by black holes: The case of Sgr A*." In RECENT DEVELOPMENTS ON PHYSICS IN STRONG GRAVITATIONAL FIELDS: V Leopoldo García-Colín Mexican Meeting on Mathematical and Experimental Physics. AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4861946.

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Lora-Clavijo, F. D., J. A. González, F. S. Guzmán, et al. "Behavior of Phantom Scalar Fields near Black Holes." In GRAVITATIONAL PHYSICS: TESTING GRAVITY FROM SUBMILLIMETER TO COSMIC: Proceedings of the VIII Mexican School on Gravitation and Mathematical Physics. AIP, 2010. http://dx.doi.org/10.1063/1.3473875.

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