Two perturbations in the presence of degeneracy

C. D.H. Chisholm, K. B. Lodge

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The second-order energy in Rayleigh-Schrödinger single perturbation theory for a degenerate level with two perturbations is written in "double perturbation" form. The difficulties in formal double perturbation theory are avoided.

Original languageEnglish (US)
Pages (from-to)571-574
Number of pages4
JournalChemical Physics Letters
Volume15
Issue number4
DOIs
StatePublished - Sep 1 1972

Fingerprint

perturbation theory
perturbation
energy

Cite this

Two perturbations in the presence of degeneracy. / Chisholm, C. D.H.; Lodge, K. B.

In: Chemical Physics Letters, Vol. 15, No. 4, 01.09.1972, p. 571-574.

Research output: Contribution to journalArticle

Chisholm, C. D.H. ; Lodge, K. B. / Two perturbations in the presence of degeneracy. In: Chemical Physics Letters. 1972 ; Vol. 15, No. 4. pp. 571-574.
@article{9befac84d6b745cfb98e848b1cea7e9b,
title = "Two perturbations in the presence of degeneracy",
abstract = "The second-order energy in Rayleigh-Schr{\"o}dinger single perturbation theory for a degenerate level with two perturbations is written in {"}double perturbation{"} form. The difficulties in formal double perturbation theory are avoided.",
author = "Chisholm, {C. D.H.} and Lodge, {K. B.}",
year = "1972",
month = "9",
day = "1",
doi = "10.1016/0009-2614(72)80374-9",
language = "English (US)",
volume = "15",
pages = "571--574",
journal = "Chemical Physics Letters",
issn = "0009-2614",
publisher = "Elsevier",
number = "4",

}

TY - JOUR

T1 - Two perturbations in the presence of degeneracy

AU - Chisholm, C. D.H.

AU - Lodge, K. B.

PY - 1972/9/1

Y1 - 1972/9/1

N2 - The second-order energy in Rayleigh-Schrödinger single perturbation theory for a degenerate level with two perturbations is written in "double perturbation" form. The difficulties in formal double perturbation theory are avoided.

AB - The second-order energy in Rayleigh-Schrödinger single perturbation theory for a degenerate level with two perturbations is written in "double perturbation" form. The difficulties in formal double perturbation theory are avoided.

UR - http://www.scopus.com/inward/record.url?scp=49649143127&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=49649143127&partnerID=8YFLogxK

U2 - 10.1016/0009-2614(72)80374-9

DO - 10.1016/0009-2614(72)80374-9

M3 - Article

AN - SCOPUS:49649143127

VL - 15

SP - 571

EP - 574

JO - Chemical Physics Letters

JF - Chemical Physics Letters

SN - 0009-2614

IS - 4

ER -