λ-point transition in quantum q-gases

We show that Bose-Einstein condensation is present in highly deformed q-gases, the critical temperature being higher than for the usual ideal boson gas. The specific heat C V has a λ-point transition behaviour not exhibited by non-deformed ideal gases.

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Bibliographic Details
Published in:Physics letters. A 1994-05, Vol.188 (1), p.11-15
Main Authors: R.-Monteiro, Marco A., Roditi, Itzhak, Rodrigues, Ligia M.C.S.
Format: Article
Language:English
Subjects:
Boson systems
Critical point phenomena
Exact sciences and technology
Phase transitions: general studies
Physics
Quantum ensemble theory
Quantum statistical mechanics
Statistical physics, thermodynamics, and nonlinear dynamical systems
Thermodynamics
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Description
Summary:We show that Bose-Einstein condensation is present in highly deformed q-gases, the critical temperature being higher than for the usual ideal boson gas. The specific heat C V has a λ-point transition behaviour not exhibited by non-deformed ideal gases.
ISSN:0375-9601
1873-2429
DOI:10.1016/0375-9601(94)90109-0