Number-of-particle fluctuations in systems with Bose-Einstein condensate
classification
❄️ cond-mat.stat-mech
keywords
fluctuationsbose-einsteincanonicalcondensatenormalparticlesbogolubovcondensed
read the original abstract
Fluctuations of the number of particles for the dilute interacting gas with Bose-Einstein condensate are considered. It is shown that in the Bogolubov theory these fluctuations are normal. The fluctuations of condensed as well as noncondensed particles are also normal both in canonical and grand canonical ensembles.
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