Results 131 to 140 of about 41,136 (192)

Study of Lorentz violation in hadron production process from pair annihilation induced by a nonminimal coupling

European Physical Journal C: Particles and Fields
Various processes have been yet considered to study the effect of Lorentz-violating terms and different limits have been determined for the magnitude of Lorentz violation coefficients.
Vahid Ekraminasab, S. Mohammad Moosavi Nejad   +1 more
doaj   +1 more source

Optical cavity tests of Lorentz invariance for the electron

, 2004
A hypothetical violation of Lorentz invariance in the electrons' equation of motion (expressed within the Lorentz-violating extension of the standard model) leads to a change of the geometry of crystals and thus shifts the resonance frequency of an ...
A. Brillet, A. Matusis, A.A. Michelson, A.A. Michelson, A.A. Michelson, Achim Peters, Alejandro Saenz, B.C. Young, C. Braxmaiere, C. Lämmerzahl, C. Lämmerzahl, Claus Lämmerzahl, D. Colladay, D. Colladay, D. Hils, D.F. Phillips, G. Amelino-Camelia, H. Müller, H. Müller, H. Müller, H. Müller, Holger Müller, J. Alfaro, J. Alfaro, J. Alfaro, J. Ellis, J. Ellis, J.A. Lipa, Li-Shing Hou, P. Wolf, R. Bluhm, R. Bluhm, R. Bluhm, R. Bluhm, R. Gambini, R. Storz, S. Buchman, S. Seel, S.M. Carroll, Sven Herrmann, V.A. Kostelecký, V.A. Kostelecký, V.A. Kostelecký, V.A. Kostelecký, V.A. Kostelecký, V.A. Kostelecký   +45 more
core   +1 more source

Topics in Lorentz and CPT Violation [PDF]

CPT and Lorentz Symmetry, 2005
This talk outlines some recent theoretical developments in Lorentz and CPT violation.
openaire   +4 more sources

Spontaneous Lorentz symmetry breaking and topological defects for the Chern-Simons matter vector field

Nuclear Physics B
The study of topological defects occurring in vector and tensor fields is an intriguing subject and little explored in the literature. In this article, we analyze the topological defects arising from the spontaneous violation of Lorentz symmetry for a ...
Luiz P. Colatto, André L.A. Penna, Wytler C. Dos Santos   +2 more
doaj   +1 more source

The optical analogy between a Lorentz-violating cosmos and a magneto-electric medium

European Physical Journal C: Particles and Fields
The goal of our study is to investigate the effects of Lorentz symmetry violation by examining the behavior of photons within the framework of the Standard Model Extension (SME).
Iman Motie, Brahim Lamine, Alain Blanchard, Rémy Battesti, Carlo Rizzo   +4 more
doaj   +1 more source

Measurements of CPT Violation at LHCb

, 2016
Recent measurements of CPT violation and Lorentz symmetry breaking in $B^0-\bar{B}^0$ mixing and $B^0_s-\bar{B}^0_s$ mixing, obtained from data taken by the LHCb experiment, are highlighted.
van Tilburg, Jeroen
core   +1 more source

Lorentz violation and Condensed Matter Physics [PDF]

, 2017
We present heuristic arguments that hint to a possible connection of Lorentz violation with observed phenomenon in condensed matter physics. Various references from condensed matter literature are cited where operators in the Standard Model Extension ...
Ajaib, Muhammad Adeel
core  

Lorentz Symmetry and Matter-Gravity Couplings

, 2010
This proceedings contribution summarizes recent investigations of Lorentz violation in matter-gravity couplings.Comment: 5 pages.
Tasson, Jay D.
core   +1 more source

Lorentz violation in gravity

, 2015
The study of gravitational theories without Lorentz invariance plays an important role to understand different aspects of gravitation. In this short contribution we will describe the construction, main advantages and some phenomenological considerations ...
Blas, Diego
core  

Nonperturbative Lorentz violation and field quantization

Physics Letters B
Regimes of Lorentz-violating effective field theories are studied in which departures from Lorentz symmetry are nonperturbative. Within a free toy theory exhibiting Lorentz breakdown involving an operator of mass dimension three, it is shown that ...
V. Alan Kostelecký, Ralf Lehnert, Marco Schreck, Babak Seradjeh   +3 more
doaj   +1 more source