Pseudohermitian Hamiltonians, time-reversal invariance and Kramers degeneracy
Quantum Physics
2009-11-07 v1
Abstract
A necessary and sufficient condition in order that a (diagonalizable) pseudohermitian operator admits an antilinear symmetry T such that T^{2}=-1 is proven. This result can be used as a quick test on the T-invariance properties of pseudohermitian Hamiltonians, and such test is indeed applied, as an example, to the Mashhoon-Papini Hamiltonian.
Keywords
Cite
@article{arxiv.quant-ph/0207163,
title = {Pseudohermitian Hamiltonians, time-reversal invariance and Kramers degeneracy},
author = {G. Scolarici and L. Solombrino},
journal= {arXiv preprint arXiv:quant-ph/0207163},
year = {2009}
}
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6 pages