Decohering quantum statistics: Suppression of BEC
N. Kumar
Abstract
It is argued that the environment induced decoherence between spatially separated parts of the wavefunction for an open quantum system also classicalizes the quantum statistics which is based on indistinguishability. This may imply a suppression of the BEC upon dilution with, e.g., isotopic fermions, in that the usual phase-space density criterion nΛ3 > 2.612 is supplemented by the condition nΛ3 > γ/4πkBT, γ being the friction coefficient subtended by the environment, i.e., the fermions in this case. PACS 03.75.Gg, 03.75.Hh, 03.75.Kk
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