SUPERFLUID BEHAVIOUR OF A QUANTUM q-GAS

Author:

R-MONTEIRO M.1,RODRIGUES L.M.C.S.1

Affiliation:

1. Centro Brasileiro de Pesquisas Físicas-CBPF, Rua Dr. Xavier Sigaud, 150, 22290-180-Rio de Janeiro, RJ-Brasil

Abstract

We explore some consequences of the inequivalent representations of a q-oscillator algebra on a highly deformed quantum q-gas. By a simple choice of the continuum limit of the background ν0, the constant volume specific heat per mass C shows a λ-point transition and has a T3 dependence for low temperatures. Choosing a particular value of the deformation parameter q, we are able to reproduce the experimental value of the He II specific heat for T<0.5° K .

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

Cited by 6 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. q-Deformed Tamm–Dancoff oscillators: Representation, fermionic extension and physical application;International Journal of Modern Physics B;2015-09-30

2. q-Deformed Tamm–Dancoff oscillators: Coherent state and thermostatistics;International Journal of Modern Physics B;2014-06-24

3. Low-temperature thermostatistics of Tamm–Dancoff deformed boson oscillators;Physics Letters A;2013-10

4. Non-relativistic q-gases with low critical temperatures;Physica A: Statistical Mechanics and its Applications;2001-08

5. q-deformation and instability of the phonon spectrum in 4He;Physica A: Statistical Mechanics and its Applications;1998-10

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