The Integrability of Pauli System in Lorentz Violating Background

Details The Integrability of Pauli System in Lorentz Violating Background The Integrability of Pauli System in Lorentz Violating Background

2007-09-27

arxiv.org/abs/0709.4276v1

JHEP0801:039,2008

Physics

High Energy Physics

High Energy Physics - Theory

19 pages

Scientific paper

10.1088/1126-6708/2008/01/039

We systematically analyze the integrability of a Pauli system in Lorentz violating background at the non-relativistic level both in two- and three-dimensions. We consider the non-relativistic limit of the Dirac equation from the QED sector of the so-called Standard Model Extension by keeping only two types of background couplings, the vector a_mu and the axial vector b_mu. We show that the spin-orbit interaction comes as a higher order correction in the non-relativistic limit of the Dirac equation. Such an interaction allows the inclusion of spin degree non-trivially, and if Lorentz violating terms are allowed, they might be comparable under special circumstances. By including all possible first-order derivative terms and considering the cases a\ne 0, b\ne 0, and b_0\ne 0 one at a time, we determine the possible forms of constants of motion operator, and discuss the existence or continuity of integrability due to Lorentz violating background.

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