0606129v2

related topics
{equation, function, exp}
{operator, operators, space}
{wave, scattering, interference}
{cos, sin, state}
{states, state, optimal}

Scattering in PT-symmetric quantum mechanics

F. Cannata, J. -P. Dedonder, A. Ventura

abstract: A general formalism is worked out for the description of one-dimensional scattering in non-hermitian quantum mechanics and constraints on transmission and reflection coefficients are derived in the cases of P, T, or PT invariance of the Hamiltonian. Applications to some solvable PT-symmetric potentials are shown in detail. Our main original results concern the association of reflectionless potentials with asymptotic exact PT symmetry and the peculiarities of separable kernels of non-local potentials in connection with hermiticity, T invariance and PT invariance.

oai_identifier:
oai:arXiv.org:quant-ph/0606129
categories:
quant-ph
comments:
41 pages, to appear in Ann. Phys
arxiv_id:
quant-ph/0606129
journal_ref:
Ann. Phys. 322 (2007) 397
created:
2006-06-15
updated:
2006-07-18

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