Casimir-Lifshitz Force Out of Thermal Equilibrium and Asymptotic Nonadditivity | Zendy

Mauro Antezza | Zendy; Лев П. Питаевский | Zendy; S. Stringari | Zendy; V. B. Svetovoy | Zendy

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Casimir-Lifshitz Force Out of Thermal Equilibrium and Asymptotic Nonadditivity

Author(s) -

Mauro Antezza,

Лев П. Питаевский,

S. Stringari,

V. B. Svetovoy

Publication year - 2006

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.97.223203

Subject(s) - casimir effect , physics , thermal equilibrium , force density , thermal , central force , surface (topology) , crossover , limiting , casimir pressure , classical mechanics , conservative force , square root , force field (fiction) , quantum mechanics , thermodynamics , mathematics , geometry , mechanical engineering , artificial intelligence , computer science , engineering

We investigate the force acting between two parallel plates held at differenttemperatures. The force reproduces, as limiting cases, the well knownCasimir-Lifshitz surface-surface force at thermal equilibrium and thesurface-atom force out of thermal equilibrium recently derived by M. Antezza\emph{et al.}, Phys. Rev. Lett. {\bf 95}, 113202 (2005). The asymptoticbehavior of the force at large distances is explicitly discussed. In particularwhen one of the two bodies is a rarefied gas the force is not additive, beingproportional to the square root of the density. Nontrivial cross-over regionsat large distances are also identified.Comment: 4 pages, 2 figures. Published version, revised and more detaile

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