Generalized condensation of an interacting bose gas with pair Hamiltonian View Full Text


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Article Info

DATE

1970-11

AUTHORS

A. Coniglio, R. Vasudevan

ABSTRACT

An interacting Bose gas atT=0, with a pair Hamiltonian where there exists a generalized condensation in state is investigated up to an upper limitk0 in momentum space. Corresponding to the idea that an ideal Bose gas can be represented by a coherent state, each operator is replaced by a coherent field operator. It is then found that for a particular choice of the potential, the transformations and procedures of Bogoliubov type lead to a stable energy spectrum with a gap at finite volume, but to a photon spectrum at infinite volume. Though a major portion of the interaction in momentum space is negative, a minimum point in the energy-density diagram is indicated. More... »

PAGES

39-57

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf02712492

DOI

http://dx.doi.org/10.1007/bf02712492

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1025810329


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