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We show that the presence of parity-odd terms in the conductivity (or, in other words, in the polarization tensor of Dirac quasiparticles in graphene) leads to rotation of polarization of the electromagnetic waves passing through suspended…

高能物理 - 理论 · 物理学 2009-12-04 I. V. Fialkovsky , D. V. Vassilevich

The quantum Hall effect under the influence of gravity and inertia is studied in a unified way. We make use of an algebraic approach, as opposed to an analytic approach. We examine how both the integer and the fractional quantum Hall…

介观与纳米尺度物理 · 物理学 2024-03-14 Alexandre Landry , Fayçal Hammad , Reza Saadati

Using the Schwinger-Keldysh "in-in" effective field theory (EFT) framework, we complete the knowledge of nonlinear gravitational radiation-reaction effects in the (relative) dynamics of binary systems at fifth Post-Newtonian (5PN) order.…

广义相对论与量子宇宙学 · 物理学 2025-02-26 Rafael A. Porto , Massimiliano M. Riva , Zixin Yang

It has been demonstrated (gr-qc/9910036) that the gravitational and inertial masses are correlated by a dimensionless electromagnetic factor, which can be different from one. It can be also reduced, nullified or made negative in specific…

综合物理 · 物理学 2007-05-23 Fran De Aquino

We show that care is required in formulating the nonrelativistic limit of generalized Dirac Hamiltonians which describe particles and antiparticles interacting with static electric and/or gravitational fields. The Dirac-Coulomb and the…

广义相对论与量子宇宙学 · 物理学 2014-01-06 U. D. Jentschura , J. H. Noble

We consider the gravitational correction to (electronic) vacuum polarization in the presence of a gravitational background field. The Dirac propagators for the virtual fermions are modified to include the leading gravitational correction…

广义相对论与量子宇宙学 · 物理学 2015-02-19 U. D. Jentschura

The dynamics of the torsion field is analyzed in the framework of the Covariant Canonical Gauge Theory of Gravity (CCGG), a De~Donder-Weyl Hamiltonian formulation of gauge gravity. The action is quadratic in both, the torsion and the…

广义相对论与量子宇宙学 · 物理学 2024-05-29 Vladimir Denk , David Vasak , Johannes Kirsch

The {\it exact} formulation for the effect of the Brans-Dicke scalar field on the gravitational corrections to the Sagnac delay in the Jordan and Einstein frames is presented for the first time. The results completely agree with the known…

广义相对论与量子宇宙学 · 物理学 2009-10-31 K. K. Nandi , P. M. Alsing , J. C. Evans , T. B. Nayak

A phenomenological anisotropic variation \Delta G/G of the Newtonian gravitational coupling parameter G, if real, would affect the orbital dynamics of a two-body gravitationally bound system in a specific way. We analytically work out the…

广义相对论与量子宇宙学 · 物理学 2011-11-02 Lorenzo Iorio

We study the possibility of experimental testing the manifestations of equivalence principle in spin-gravity interactions. We reconsider the earlier experimental data and get the first experimental bound on anomalous gravitomagnetic moment.…

广义相对论与量子宇宙学 · 物理学 2008-11-26 A. J. Silenko , O. V. Teryaev

We re-examine the recent claim that a Dirac particle freely falling in a uniform gravitational field exhibits a spin-dependent transverse deflection (gravitational spin Hall effect). Using a circulating mass model, we show that hidden…

广义相对论与量子宇宙学 · 物理学 2025-12-23 Andrzej Czarnecki , Ting Gao

Gravitomagnetic effects are characterized by two phenomena: first, the geodetic effect which describes the precession of the spin of a gyroscope in a free orbit around a massive object, second, the Lense-Thirring effect which describes the…

广义相对论与量子宇宙学 · 物理学 2014-01-14 Jackson Levi Said , Joseph Sultana , Kristian Zarb Adami

We explore the Dirac equation in external electromagnetic and torsion fields. Motivated by the previous study of quantum field theory in an external torsion field, we include a nonminimal interaction of the spinor field with torsion. As a…

高能物理 - 理论 · 物理学 2009-10-31 Lewis H. Ryder , Ilya L. Shapiro

Several relativistic quantum gravitational effects such as spin-rotation coupling, gravitomagnetic charge and gravitational Meissner effect are investigated in the present letter. The field equation of gravitomagnetic matter is suggested…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Jian-Qi Shen

Relying on the magnetic dipole model of the pulsar, we use the extension of the work of Haxton-Ruffini [31] for single charges by DePaolis-Ingrosso-Qadir [32] for an obliquely rotating magnetic dipole, to incorporate the effect of the…

高能天体物理现象 · 物理学 2009-02-10 Anwar. S. AlMuhammad

We discuss the dynamics of the Dirac fermions in the general strong gravitational and electromagnetic fields. We derive the general Hermitian Dirac Hamiltonian and transform it to the Foldy-Wouthuysen representation for the spatially…

高能物理 - 理论 · 物理学 2011-08-08 Yuri N. Obukhov , Alexander J. Silenko , Oleg. V. Teryaev

Newton's gravitational constant $G$ has been measured to high accuracy in a number of independent experiments. For currently unresolved reasons, indicated values from different well-designed and thoroughly analyzed experiments differ by…

综合物理 · 物理学 2022-09-28 R. K. Nesbet

The effect of gravitational Faraday rotation was predicted in the 1950s, but there is currently no practical method for measuring this effect. Measuring this effect is important because it will provide new evidence for correctness of…

高能天体物理现象 · 物理学 2015-11-30 Bin Chen

We discuss the theoretical basis for the search of the possible experimental manifestations of the torsion field at low energies. First, the quantum field theory in an external gravitational field with torsion is reviewed. The…

高能物理 - 理论 · 物理学 2007-05-23 Ilya L. Shapiro

For a twisted (vortex) Dirac particle in nonuniform electric and magnetic fields, the relativistic Foldy-Wouthuysen Hamiltonian is derived including high order terms describing new effects. The result obtained shows for the first time that…

量子物理 · 物理学 2019-02-20 Alexander J. Silenko , Pengming Zhang , Liping Zou