Pseudohermitian Hamiltonians, time-reversal invariance and Kramers degeneracy

Details Pseudohermitian Hamiltonians, time-reversal invariance and Kramers degeneracy Pseudohermitian Hamiltonians, time-reversal invariance and Kramers degeneracy

2002-07-29

arxiv.org/abs/quant-ph/0207163v1

Physics

Quantum Physics

6 pages

Scientific paper

10.1016/S0375-9601(02)01267-7

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.

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