q-Deformation and Energy Deficit in Liquid Helium Phonon Spectrum-Reference-Cited by-同舟云学术

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q-Deformation and Energy Deficit in Liquid Helium Phonon Spectrum

Published:1997-03-20 Issue:07 Volume:11 Page:297-301
ISSN:0217-9849
Container-title:Modern Physics Letters B
language:en
Short-container-title:Mod. Phys. Lett. B

Author:

Rodrigues Ligia M. C. S.¹²,Wulck Stenio³

Affiliation:

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

2. Dipartimento di Fisica Teorica dell'Universitá di Torino, Via P. Giuria 1, I-10125 – Torino, Italy

3. Instituto de Física, Universidade Federal do Rio de Janeiro, Cidade Universitária – Ilha do Fundão, 21945-970 – Rio de Janeiro, Brazil

Abstract

We present an application of an ideal bosonic q-gas in a ν0 inequivalent representation to the phonons in 4 He and discuss the role of q-deformation as a possible mechanism to supply the energy deficit that forbiddens one-phonon decay into two phonons when the constant γ in the phonon anomalous dispersion relation (ωph = c0p(1 - γp2)) is positive.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217984997000372

Cited by 2 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. Non-relativistic q-gases with low critical temperatures;Physica A: Statistical Mechanics and its Applications;2001-08

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

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