O svyazi myezhdu odnochastichnoi{cyrillic, short} funktsiyei{cyrillic, short} grina i korryelyatsionnoi{cyrillic, short} funktsiyei{cyrillic, short} plotnost{cyrillic small soft sign}-plotnost{cyrillic small soft sign} v obshchirnoi{cyrillic, short} sistyemye bozye

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Abstract

We consider a large system of interacting bosons with a homogeneous condensate at absolute zero temperature. By carrying out an analysis of the perturbation expansion of the one-particle Green's function and the density-density correlation function, we derive a general relationship between them.

Original languageEnglish
Pages (from-to)81-92
Number of pages12
JournalActa Physica Academiae Scientiarum Hungaricae
Volume24
Issue number1
DOIs
Publication statusPublished - Jan 1968

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absolute zero
condensates
Green's functions
bosons
perturbation
expansion
temperature

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

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title = "O svyazi myezhdu odnochastichnoi{cyrillic, short} funktsiyei{cyrillic, short} grina i korryelyatsionnoi{cyrillic, short} funktsiyei{cyrillic, short} plotnost{cyrillic small soft sign}-plotnost{cyrillic small soft sign} v obshchirnoi{cyrillic, short} sistyemye bozye",
abstract = "We consider a large system of interacting bosons with a homogeneous condensate at absolute zero temperature. By carrying out an analysis of the perturbation expansion of the one-particle Green's function and the density-density correlation function, we derive a general relationship between them.",
author = "I. Kondor and P. Sz{\'e}pfalusy",
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