Volume 43, Number 2, July II 1998
|Page(s)||129 - 134|
|Published online||01 September 2002|
Finite-geometry specific-heat scaling function near the lambda transition
Department of Theoretical Physics,
Indian Association for the Cultivation of Science Jadavpur, Calcutta 700 032, India
Accepted: 5 June 1998
Using a technique due to Nicoll for studying the wave-number–dependent specific heat in the bulk geometry, we calculate for temperatures above the lambda point the two-loop specific-heat scaling function for the parallel plate geometry with Dirichlet boundary conditions. We work with the logarithmic specific heat for simplicity, since for the actual superfluid transition the exponent α is very close to zero. The agreement with the recent data is exhibited.
PACS: 05.70.Jk – Critical point phenomena / 64.60.-i – General studies of phase transitions / 64.60.Fr – Equilibrium properties near critical points, critical exponents
© EDP Sciences, 1998
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