中文
相关论文

相关论文: A Maxwell field minimally coupled to torsion

200 篇论文

We revisit a propagating torsion gravity theory obtained by introducing a field coupled to the Holst term in the first-order Einstein-Cartan action. The resulting theory has second order field equations, no adjustable coupling constants,…

广义相对论与量子宇宙学 · 物理学 2009-07-30 Alexander Torres-Gomez , Kirill Krasnov

We study the Weyl vector fields which can play an important role in quantum gravity. The metric obtains its dynamical content after dynamical symmetry breaking in the phase of the effective Einstein gravity which is induced by quantum Weyl…

广义相对论与量子宇宙学 · 物理学 2010-09-28 B. S. Park , D. G. Pak

Using the weak field approximation, we can express the theory of general relativity in a Maxwell-type structure comparable to electromagnetism. We find that every electromagnetic field is coupled to a gravitoelectric and gravitomagnetic…

广义相对论与量子宇宙学 · 物理学 2007-05-23 M. Tajmar , C. de Matos

Dynamo action is shown to be induced from homogeneous non-minimal photon-torsion axial coupling in the quantum electrodynamics (QED) framework in Riemann flat spacetime contortion decays. The geometrical optics in Riemann-Cartan spacetime…

广义相对论与量子宇宙学 · 物理学 2010-07-13 Garcia de Andrade

Three-dimensional electron phase space holes are shown to be positive charges on the plasma background which produce a radial electric field and force the trapped electron component into an azimuthal drift. In this way electron holes…

空间物理 · 物理学 2012-04-20 R. A. Treumann , W. Baumjohann

A new method of deriving the Higgs Lagrangian from vector-like gauge theories is explored. After performing a supersymmetric extension of gauge theories we identify the auxiliary field associated with the "meson" superfield, in the low…

高能物理 - 理论 · 物理学 2007-05-23 Noriaki Kitazawa , Francesco Sannino

We review the status of electric/magnetic duality for free gauge field theories in four space-time dimensions with emphasis on Maxwell theory and linearized Einstein gravity. Using the theory of vector and tensor spherical harmonics, we…

高能物理 - 理论 · 物理学 2009-10-15 Ioannis Bakas

Einstein-like Lagrangian field theory is developed to describe elastic solid containing dislocations with finite-sized core. The framework of the Riemann-Cartan geometry in three dimensions is used, and the core self-energy is expressed by…

广义相对论与量子宇宙学 · 物理学 2024-10-08 Cyril Malyshev

The conservation law for the angular momentum in curved spacetime, consistent with relativistic quantum mechanics, requires that the antisymmetric part of the affine connection (torsion tensor) is a variable in the principle of least…

广义相对论与量子宇宙学 · 物理学 2026-05-28 Nikodem Popławski

The generic form of spacetime dynamics as a classical gauge field theory has recently been derived, based on only the action principle and on the Principle of General Relativity. It was thus shown that Einstein's General Relativity is the…

广义相对论与量子宇宙学 · 物理学 2019-05-28 J. Struckmeier , J. Muench , P. Liebrich , M. Hanauske , J. Kirsch , D. Vasak , L. Satarov , H. Stoecker

A unique constraint is defined within the framework of scalar-tensor theories, whereby the conformal factor is fixed to the fluctuation associated to the effective mass of the Hamilton-Jacobi equation for a Klein-Gordon field. The effective…

广义相对论与量子宇宙学 · 物理学 2020-03-30 Dor Gabay , Sijo K. Joseph

We consider the standard gauge theory of Poincar\'{e} group, realizing as a subgroup of $GL(5. R)$. The main problem of this theory was appearing of the fields connected with non-Lorentz symmetries, whose physical sense was unclear. In this…

广义相对论与量子宇宙学 · 物理学 2008-11-26 Merab Gogberashvili

We determine the invariant expression of the force density that the electromagnetic field exerts on dipolar matter and construct the non-symmetric energy-momentum tensor of the electromagnetic field in matter which is consistent with that…

经典物理 · 物理学 2017-11-17 Rodrigo Medina , J. Stephany

Recently Salim et al [JCAP (2007)], have shown that galactic dynamo seeds can be possibly attainable in bouncing cosmological models with QED Lagrangeans. In this paper we generalise their result by include torsion of spacetime in bouncing…

广义相对论与量子宇宙学 · 物理学 2011-10-17 Garcia de Andrade , Angel Ferrandez

We begin with the time-dependent electric and magnetic dipole solution of Maxwell's equations in Minkowski space. This Maxwell field is then used to determine the behavior of the gravitational field (the Weyl tensor) as a second-order…

广义相对论与量子宇宙学 · 物理学 2008-12-18 Tim Adamo , Ezra T Newman

We demonstrate that classical and quantum electrodynamics can be completed by gravitational torsion appearing in Einstein-Cartan-Sciama-Kibble theory of gravity, providing the missing part of the electron theory. One of the equations of…

广义相对论与量子宇宙学 · 物理学 2023-08-31 Carl F. Diether , III , Joy Christian

I introduce a spinor field theory for the photon. The three-dimensional vector electromagnetic field and the four-dimensional vector potential are components of this spinor photon field. A spinor equation for the photon field is derived…

综合物理 · 物理学 2011-09-20 Ruo Peng Wang

We attempt to build systematically the low-energy effective Lagrangian for the Einstein--Cartan formulation of gravity theory that generally includes the torsion field. We list all invariant action terms in certain given order; some of the…

高能物理 - 理论 · 物理学 2015-03-19 Dmitri Diakonov , Alexander G. Tumanov , Alexey A. Vladimirov

The article describes a new approach to obtaining the energy-momentum tensor of electromagnetic field in medium without the use of Maxwell's equations and Poynting theorem. The energy-momentum tensor has new qualities and consequences. Its…

经典物理 · 物理学 2017-04-13 Yurii A. Spirichev

Despite the seeming simplicity of the theory, calculating (and even defining) entanglement entropy for the Maxwell theory of a $U(1)$ gauge field in (3+1) dimensions has been the subject of controversy. It is generally accepted that the…

高能物理 - 理论 · 物理学 2019-03-19 Michael Pretko