Simple non-hermitian choices for the standardization operator in projected perturbation theory
Abstract
We suggest simple non-hermitian choices for the Peierls standardization operator and test them in a simplified one-dimensional model of H +2.
- Publication:
-
Physics Letters A
- Pub Date:
- March 1977
- DOI:
- 10.1016/0375-9601(77)90093-7
- Bibcode:
- 1977PhLA...60..269A