Rayleigh-Schrodinger perturbation theory with a non-Hermitian perturbation
- 28 August 1982
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 15 (16) , 2563-2568
- https://doi.org/10.1088/0022-3700/15/16/006
Abstract
In the presence of a non-Hermitian perturbation, the total energy may be computed up to order 2n+1 from a knowledge of the wavefunction up to order n only, provided that the Hermitian and anti-Hermitian wavefunction components of each order are determined separately.Keywords
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