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.
| Original language | English |
|---|---|
| Article number | 006 |
| Pages (from-to) | 2563-2568 |
| Number of pages | 6 |
| Journal | Journal of Physics B: Atomic and Molecular Physics |
| Volume | 15 |
| Issue number | 16 |
| DOIs | |
| State | Published - 1982 |
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