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Título

Nonlocal microscopic theory of Casimir forces at finite temperature

AutorDespoja, Vito ; Šunjić, Marijan; Marušić, L.
Fecha de publicación2011
EditorAmerican Physical Society
CitaciónPhysical Review B 83(16): 165421 (2011)
ResumenThe interaction energy between two metallic slabs in the retarded limit at finite temperature is expressed in terms of surface polariton propagators for separate slabs, avoiding the usual matching procedure, with both diamagnetic and paramagnetic excitations included correctly. This enables appropriate treatment of arbitrary electron density profiles and fully nonlocal electronic response, including both collective and single-particle excitations. The results are verified by performing the nonretarded and long-wavelength (local) limits and showing that they reduce to the previously obtained expressions. Possibilities for practical use of the theory are explored by applying it to calculation of various contributions to the Casimir energy between two silver slabs.
URIhttp://hdl.handle.net/10261/50715
DOI10.1103/PhysRevB.83.165421
Identificadoresdoi: 10.1103/PhysRevB.83.165421
issn: 1098-0121
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