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Anomalous condensate fluctuations in strongly interacting superfluids
- Publication Year :
- 1999
-
Abstract
- We show that the condensate occupation of a superfluid Bose liquid quite generally exhibits anomalously large fluctuations at finite temperatures. In three dimensions, the variance scales like T^2 V^{4/3} at low T, generalizing the result obtained by Giorgini, Pitaevskii, and Stringari for a weakly interacting Bose gas. In two dimensions there is only a quasicondensate, and the fluctuations are of the same order as the mean value.<br />3 pages, Revtex, no figures. submitted to PRA
Details
- Language :
- English
- Database :
- OpenAIRE
- Accession number :
- edsair.doi.dedup.....496efe6ef42ef7cd27f3b36f779c0b53