Variational separable expansion scheme for two-body Coulomb-scattering problems - art. no. 057001

Authors
Darai, J Gyarmati, B Konya, B Papp, Z
Citation
J. Darai et al., Variational separable expansion scheme for two-body Coulomb-scattering problems - art. no. 057001, PHYS REV C, 6305(5), 2001, pp. 7001
Citations number
12
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW C
ISSN journal
05562813 → ACNP
Volume
6305
Issue
5
Year of publication
2001
Database
ISI
SICI code
0556-2813(200105)6305:5<7001:VSESFT>2.0.ZU;2-E
Abstract
We present a separable expansion approximation method for Coulomb-like pote ntials which is based on Schwinger variational principle and uses Coulomb-S turmian functions as basis states. The new scheme provides faster convergen ce with respect to our formerly used nonvariational approach.