QUANTUM STATISTICAL DIAGRAM REPRESENTATION IN THE PRESENCE OF BOSE-EINSTEIN DEGENERACY
A contraction theorem for a product of boson operators averaged over the modified grand canonical ensemble of free particles is established. The theorem enables use of the quantum statistical diagram technique for calculation of statistical mechanical quantities of the degenerate interacting bosons. The diagram technique is illustrated by calculating the grand partition function of hard-sphere bosons above and below the temperature of the Bose-Einstein condensation. (auth)
- Research Organization:
- Universite Libre, Brussels
- NSA Number:
- NSA-16-014215
- OSTI ID:
- 4798956
- Journal Information:
- Physica, Journal Name: Physica Vol. Vol: 27
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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