A Comment on the Topological Phase for Anti-Particles in a Lorentz-violating environment

Details A Comment on the Topological Phase for Anti-Particles in a Lorentz-violating environment A Comment on the Topological Phase for Anti-Particles in a Lorentz-violating environment

2006-03-11

arxiv.org/abs/hep-th/0603091v2

Phys.Lett.B639:675-678,2006

Physics

High Energy Physics

High Energy Physics - Theory

4 pages - A published version

Scientific paper

10.1016/j.physletb.2006.07.003

Recently, a scheme to analyse topological phases in Quantum Mechanics by means of the non-relativistic limit of fermions non-minimally coupled to a Lorentz-breaking background has been proposed. In this letter, we show that the fixed background, responsible for the Lorentz-symmetry violation, may induce opposite Aharonov-Casher phases for a particle and its corresponding antiparticle. We then argue that such a difference may be used to investigate the asymmetry for particle/anti-particle as well as to propose bounds on the associated Lorentz-symmetry violating parameters.

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