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Fosco, C.D.; Lombardo, F.C.; Mazzitelli, F.D. "Derivative expansion for the electromagnetic Casimir free energy at high temperatures" (2015) Physical Review D - Particles, Fields, Gravitation and Cosmology. 92(12)
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Abstract:

We study the contribution of the thermal zero modes to the Casimir free energy in the case of a fluctuating electromagnetic (EM) field in the presence of real materials described by frequency-dependent, local and isotropic permittivity (ε) and permeability (μ) functions. Those zero modes, present at any finite temperature, become dominant at high temperatures since the theory is dimensionally reduced. Our work, within the context of the derivative expansion (DE) approach, focuses on the emergence of nonanalyticities in that dimensionally reduced theory. We conclude that the DE is well defined whenever the function Ω(ω), defined by [Ω(ω)]2≡ω2ε(ω), vanishes in the zero-frequency limit for at least one of the two material media involved. © 2015 American Physical Society.

Registro:

Documento: Artículo
Título:Derivative expansion for the electromagnetic Casimir free energy at high temperatures
Autor:Fosco, C.D.; Lombardo, F.C.; Mazzitelli, F.D.
Filiación:Centro Atómico Bariloche and Instituto Balseiro, Comisión Nacional de Energía Atómica, Bariloche, R8402AGP, Argentina
Departamento de Física Juan José Giambiagi, FCEyN UBA, IFIBA CONICET-UBA, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, Pabellón I, Buenos Aires, 1428, Argentina
Año:2015
Volumen:92
Número:12
DOI: http://dx.doi.org/10.1103/PhysRevD.92.125007
Título revista:Physical Review D - Particles, Fields, Gravitation and Cosmology
Título revista abreviado:Phys Rev D Part Fields Gravit Cosmol
ISSN:15507998
CODEN:PRVDA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15507998_v92_n12_p_Fosco

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Citas:

---------- APA ----------
Fosco, C.D., Lombardo, F.C. & Mazzitelli, F.D. (2015) . Derivative expansion for the electromagnetic Casimir free energy at high temperatures. Physical Review D - Particles, Fields, Gravitation and Cosmology, 92(12).
http://dx.doi.org/10.1103/PhysRevD.92.125007
---------- CHICAGO ----------
Fosco, C.D., Lombardo, F.C., Mazzitelli, F.D. "Derivative expansion for the electromagnetic Casimir free energy at high temperatures" . Physical Review D - Particles, Fields, Gravitation and Cosmology 92, no. 12 (2015).
http://dx.doi.org/10.1103/PhysRevD.92.125007
---------- MLA ----------
Fosco, C.D., Lombardo, F.C., Mazzitelli, F.D. "Derivative expansion for the electromagnetic Casimir free energy at high temperatures" . Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 92, no. 12, 2015.
http://dx.doi.org/10.1103/PhysRevD.92.125007
---------- VANCOUVER ----------
Fosco, C.D., Lombardo, F.C., Mazzitelli, F.D. Derivative expansion for the electromagnetic Casimir free energy at high temperatures. Phys Rev D Part Fields Gravit Cosmol. 2015;92(12).
http://dx.doi.org/10.1103/PhysRevD.92.125007