Journal article
Study of approximations in the nuclear pairing-force problem
Abstract
The accuracy of the Lipkin-Nogami version of the BCS method is examined and compared with other methods, for the ground and 0+ excited states of a symmetric two-level model. Unlike many other methods which fail for either very weak or very strong couplings, the Lipkin-Nogami method works well for any value of the force strength.
Authors
Pradhan HC; Nogami Y; Law J
Journal
Nuclear Physics A, Vol. 201, No. 2, pp. 357–368
Publisher
Elsevier
Publication Date
February 1973
DOI
10.1016/0375-9474(73)90071-7
ISSN
0375-9474