Journal
ANNALS OF PHYSICS
Volume 323, Issue 12, Pages 2987-2990Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.aop.2008.03.003
Keywords
Virial theorem; Pressure; Momentum distribution
Categories
Funding
- DOE [DE-FG02-00ER41132]
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For a two-component Fermi gas in the unitarity limit (i.e., with infinite scattering length), there is a well-known virial theorem, first shown by J.E. Thomas et al. A few people rederived this result, and extended it to few-body systems, but their results are all restricted to the unitarity limit. Here I show that there is a generalized virial theorem for FINITE scattering lengths. I also generalize an exact result concerning the pressure to the case of unbalanced populations, Published by Elsevier Inc.
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