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题名: Non-universal critical Casimir force in confined He-4 near the superfluid transition
作者: 陈晓松 ;  Dohm, V
刊名: PHYSICA B-CONDENSED MATTER
出版日期: 2003
卷号: 329, 期号:1, 页码:202-203
关键词: FREE-ENERGY ;  CRITICAL FILMS ;  SIZE DEPENDENCE ;  SYSTEMS ;  HEAT
学科分类: Physics
通讯作者: Dohm, V , Rhein Westfal TH Aachen, Inst Theoret Phys, D-52056 Aachen, Germany.
部门归属: Rhein Westfal TH Aachen, Inst Theoret Phys, D-52056 Aachen, Germany; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: We present the results of a one-loop calculation of the effect of a van der Waals type interaction potential similar to\x\(-d-sigma) on the critical Casimir force and specific heat of confined He-4 near the superfluid transition. We consider a He-4 film of thickness L. In the region Lgreater than or similar toxi (correlation length) we find that the van der Waals interaction causes a leading non-universal non-scaling contribution of O(xi(2) L-d-sigma) to the critical temperature dependence of the Casimir force above T-lambda that dominates the universal scaling contribution similar toe(-L/xi) predicted by earlier theories. For the specific heat we find subleading non-scaling contributions of O(L-1) and O(L-d-sigma). (C) 2003 Elsevier Science B.V. All rights reserved.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000183224100088
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13308
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Chen, XS,Dohm, V. Non-universal critical Casimir force in confined He-4 near the superfluid transition[J]. PHYSICA B-CONDENSED MATTER,2003,329(1):202-203.
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