The critical casimir force in the superfluid phase: Effect of fluctuations

Shyamal Biswas; J. K. Bhattacharjee; Himadri S. Samanta; Saugata Bhattacharyya; Bambi Hu

doi:10.1088/1367-2630/12/6/063039

The critical casimir force in the superfluid phase: Effect of fluctuations

Shyamal Biswas^*
, J. K. Bhattacharjee
, Himadri S. Samanta
, Saugata Bhattacharyya
, Bambi Hu

^*Corresponding author for this work

Centre for Nonlinear Studies

Research output: Contribution to journal › Journal article › peer-review

10 Citations (Scopus)

Abstract

We have considered the critical Casimir force on a ⁴He film below and above the bulk λ point. We have explored the role of fluctuations around the mean field theory in a perturbative manner, and have substantially improved the mean field result of Zandi et al (2007 Phys. Rev. E 76 030601(R)). The Casimir scaling function obtained by us approaches a universal constant (-ζ(3)/8π) for T ≲ 2.13K.

Original language	English
Article number	063039
Number of pages	10
Journal	New Journal of Physics
Volume	12
DOIs	https://doi.org/10.1088/1367-2630/12/6/063039
Publication status	Published - 30 Jun 2010

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10.1088/1367-2630/12/6/063039

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abstract = "We have considered the critical Casimir force on a 4He film below and above the bulk λ point. We have explored the role of fluctuations around the mean field theory in a perturbative manner, and have substantially improved the mean field result of Zandi et al (2007 Phys. Rev. E 76 030601(R)). The Casimir scaling function obtained by us approaches a universal constant (-ζ(3)/8π) for T ≲ 2.13K.",

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note = "S Biswas acknowledges the hospitality and financial support of the Department of Theoretical Physics of IACS and the CNS of Hong Kong Baptist University, where he did integral parts of the research work of this paper. The final part of his research work was sponsored by the University Grants Commission (UGC) under the UGC-Dr D S Kothari Postdoctoral Fellowship Scheme (no. F.4-2/2006(BSR)13-280/2008(BSR)). Publisher copyright: {\textcopyright} IOP Publishing Ltd and Deutsche Physikalische Gesellschaft",

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AU - Samanta, Himadri S.

AU - Bhattacharyya, Saugata

AU - Hu, Bambi

N1 - S Biswas acknowledges the hospitality and financial support of the Department of Theoretical Physics of IACS and the CNS of Hong Kong Baptist University, where he did integral parts of the research work of this paper. The final part of his research work was sponsored by the University Grants Commission (UGC) under the UGC-Dr D S Kothari Postdoctoral Fellowship Scheme (no. F.4-2/2006(BSR)13-280/2008(BSR)). Publisher copyright: © IOP Publishing Ltd and Deutsche Physikalische Gesellschaft

PY - 2010/6/30

Y1 - 2010/6/30

N2 - We have considered the critical Casimir force on a 4He film below and above the bulk λ point. We have explored the role of fluctuations around the mean field theory in a perturbative manner, and have substantially improved the mean field result of Zandi et al (2007 Phys. Rev. E 76 030601(R)). The Casimir scaling function obtained by us approaches a universal constant (-ζ(3)/8π) for T ≲ 2.13K.

AB - We have considered the critical Casimir force on a 4He film below and above the bulk λ point. We have explored the role of fluctuations around the mean field theory in a perturbative manner, and have substantially improved the mean field result of Zandi et al (2007 Phys. Rev. E 76 030601(R)). The Casimir scaling function obtained by us approaches a universal constant (-ζ(3)/8π) for T ≲ 2.13K.

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DO - 10.1088/1367-2630/12/6/063039

M3 - Journal article

AN - SCOPUS:77955074070

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VL - 12

JO - New Journal of Physics

JF - New Journal of Physics

M1 - 063039

ER -

The critical casimir force in the superfluid phase: Effect of fluctuations

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