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1997 | 91 | 6 | 1061-1068
Article title

About Approximation of Convergence Superoperators in Quantum Perturbation Theory

Content
Title variants
Languages of publication
EN
Abstracts
EN
Perturbation methods are generally used for solving wave operator equations associated with the determination of effective Hamiltonians. In many cases the standard Rayleigh-Schrodinger and Brillouin-Wigner series either converge slowly or diverge. Therefore it is necessary to modify or to renormalize the standard wave equations. For that purpose derivative and convergence superoperators within the Ralyeigh-Schrodinger and Brillouin-Wigner formalisms were introduced. A new efficient otential is obtained and further application to molecular dynamics is indicated.
Keywords
EN
Publisher

Year
Volume
91
Issue
6
Pages
1061-1068
Physical description
Dates
published
1997-06
received
1996-08-02
(unknown)
1997-02-06
Contributors
  • Instytut Fizyki, Uniwersytet Mikolaja Kopernika, Grudziądzka 5, 87-100 Toruń, Poland
author
  • J. Heyrovský Institute, Academy of Sciences of the Czech Republic, Dolejškova 3, 182 23 Prague 8, Czech Republic
author
  • Laboratoire de Physique Quantique, Unité Associée au CNRS no. 505, Université Paul Sabatier, 31062 Toulouse Cedex 4, France
References
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv91z604kz
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