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We study a recently proposed generalization of the relativistic particle by Kosteleck\'y, that includes explicit Lorentz violation. We present an alternative action for this system and we show that this action can be interpreted as a…

High Energy Physics - Theory · Physics 2015-05-28 Juan M. Romero , Oscar Sánchez-Santos , José David Vergara

The electromagnetic instabilities excited by the temperature anisotropy have been always one of the interesting issues in real high-density physical systems, where the relativistic and quantum effects due to spin can be important. This…

Plasma Physics · Physics 2017-11-21 M. Mahdavi , H. Khanzadeh

A general formalism for the calculation of the differential cross section and polarization observables, for the process of deuteron electrodisintegration, is developed in the framework of relativistic impulse approximation. A detailed…

High Energy Physics - Phenomenology · Physics 2012-06-06 G. I. Gakh , A. P. Rekalo , Egle Tomasi-Gustafsson

The dependence of inter-particle correlations on the orientation of particle relative-momentum can yield unique information on the space-time features of emission in reactions with multiparticle final states. In the present paper, the…

Nuclear Theory · Physics 2008-11-26 Pawel Danielewicz , Scott Pratt

Relativistic polarized electron beams can find applications in broad areas of fundamental physics. Here, we propose for the first time that electron spin polarization can be realized efficiently via collective beam-target interactions. When…

Plasma Physics · Physics 2024-08-13 Xing-Long Zhu , Min Chen , Wei-Min Wang , Zheng-Ming Sheng

Two different versions of relativistic Langevin equation in curved spacetime background are constructed, both are manifestly general covariant. It is argued that, from the observer's point of view, the version which takes the proper time of…

Statistical Mechanics · Physics 2023-11-28 Yifan Cai , Tao Wang , Liu Zhao

A formalism for describing charged particles interaction in both a finite volume and a uniform magnetic field is presented. In the case of short-range interaction between charged particles, we show that the factorization between short-range…

High Energy Physics - Lattice · Physics 2021-06-02 Peng Guo , Vladimir Gasparian

The motion of spinning relativistic particles in external electromagnetic and gravitational fields is considered. A simple derivation of the spin interaction with gravitational field is presented. The self-consistent description of the spin…

General Relativity and Quantum Cosmology · Physics 2008-08-12 I. B. Khriplovich

We consider the forced motion of a relativistic particle constrained on a curve and present sufficient conditions for periodic oscillations by means of an illustrative geometrical approach. Obtained result is illustrated by a few examples…

Dynamical Systems · Mathematics 2015-08-11 Ivan Polekhin

We study properties of classical reparametrization-invariant matter systems, mainly the relativistic particle and its d-brane generalization. The corresponding matter Lagrangian naturally contains background interaction fields, such as a…

Mathematical Physics · Physics 2007-05-23 Vesselin G. Gueorguiev

Violations of Lorentz symmetry are typically associated with modifications of one-particle dispersion relations. The physical effects of such modifications in particle collisions often grow with energy, so that ultrahigh-energy cosmic rays…

High Energy Physics - Phenomenology · Physics 2014-03-25 Ralf Lehnert

We investigate the rotation of the polarization of a light ray propagating in the gravitational field of a circularly polarized laser beam. The rotation consists of a reciprocal part due to gravitational optical activity, and a…

General Relativity and Quantum Cosmology · Physics 2020-01-08 Fabienne Schneiter , Dennis Rätzel , Daniel Braun

The status of our understanding of relativistic sum rules is reviewed. The recent development of new theoretical methods for the evaluation of these sum rules offers hope for further advances in this challenging field. These new techniques…

Atomic Physics · Physics 2015-06-26 Scott M. Cohen

We present a strong field theory of matter wave splitting in the presence of various gravitational, inertial and trapping potentials. The effect of these potentials on the resonance condition (between the splitting potential and the…

Other Condensed Matter · Physics 2009-09-29 Charles Antoine , Christian J. Borde

In this thesis different numerical methods, as well as applications of the methods to a number of current problems in relativistic astrophysics, are presented. In the first part the theoretical foundation and numerical implementation of a…

Astrophysics · Physics 2009-09-29 Troels Haugboelle

Polarizers are key components in optical science and technology. Thus, understanding the action of a polarizer beyond oversimplifying approximations is crucial. In this work, we study the interaction of a polarizing interface with an…

This paper deals with the theory of collisions between two ultracold particles with a special focus on molecules. It describes the general features of the scattering theory of two particles with internal structure, using a time-independent…

Atomic Physics · Physics 2017-03-28 Goulven Quéméner

The inner parts of black-hole accretion discs shine in X-rays which can be monitored and the observed spectra can be used to trace strong gravitational fields in the place of emission and along paths of light rays. This paper summarizes…

Astrophysics · Physics 2011-05-10 V. Karas

A consistent description of the radiative polarization for relativistic electrons in intense laser fields is derived by generalizing the Sokolov-Ternov effect in general field structure. The new form together with the spin-dependent…

Plasma Physics · Physics 2020-03-12 X. S. Geng , Z. G. Bu , Y. T. Wu , Q. Q. Han , C. Y. Qin , W. Q. Wang , X. Yan , L. G. Zhang , B. F. Shen , L. L. Ji

The classical rotation is not self-consistent in the framework of the special theory of relativity. the Relativistic rotation is obtained, which takes the relativistic effect into account. It is demonstrated that the angular frequency of…

General Physics · Physics 2023-04-05 Z. X. Cao , Ch. L. Chen , L. Liu