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Author Chan, H. ♦ Valatin, J. G.
Sponsorship USDOE
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword PHYSICS ♦ BOSONS ♦ CONFIGURATION ♦ DENSITY ♦ EQUATIONS ♦ FIELD THEORY ♦ PARTICLE MODELS
Abstract The introduction of a density description through a field approach is discussed. Additional mathematical complications resulting from the appearance of powers of theδ-function can be avoided by means of a limiting process. The configuration space argument of Bogolubov and Zubarev is cast in anx-space form in which simple expressions are given. In the resulting representation the normalisation integral is defined by means of a weight function the expression of which is determined. The weight function establishes the connection between the rather different expressions of the two density field representations. Some simple cases are considered and a variational principle is formulated.
ISSN 00296341
Educational Use Research
Learning Resource Type Article
Publisher Date 1961-01-01
Publisher Department Univ. of Birmingham, Eng.
Journal Nuovo Cimento
Volume Number 10
Issue Number 19
Organization Univ. of Birmingham, Eng.


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