Abstract:
We calculate the Casimir energy for scalar fields in interaction with finite-width mirrors, described by nonlocal interaction terms. These terms, which include quantum effects due to the matter fields inside the mirrors, are approximated by means of a local expansion procedure. As a result of this expansion, an effective theory for the vacuum field emerges, which can be written in terms of generalized δ potentials. We compute explicitly the Casimir energy for these potentials and show that, for some particular cases, it is possible to reinterpret them as imposing imperfect Dirichlet boundary conditions. © 2009 The American Physical Society.
Registro:
Documento: |
Artículo
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Título: | Derivative expansion for the boundary interaction terms in the Casimir effect: Generalized δ potentials |
Autor: | Fosco, C.D.; Lombardo, F.C.; Mazzitelli, F.D. |
Filiación: | Centro Atómico Bariloche, Instituto Balseiro, Comisión Nacional de Energía Atómica, R8402AGP Bariloche, Argentina Departamento de Física Juan José Giambiagi, FCEyN UBA, Pabellón I, 1428 Buenos Aires, Argentina
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Año: | 2009
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Volumen: | 80
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Número: | 8
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DOI: |
http://dx.doi.org/10.1103/PhysRevD.80.085004 |
Título revista: | Physical Review D - Particles, Fields, Gravitation and Cosmology
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Título revista abreviado: | Phys Rev D Part Fields Gravit Cosmol
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ISSN: | 15507998
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CODEN: | PRVDA
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15507998_v80_n8_p_Fosco |
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- Fosco, C.D., Lombardo, F.C., Mazzitelli, F.D., A detailed explanation of this point will be provided elsewhere:
Citas:
---------- APA ----------
Fosco, C.D., Lombardo, F.C. & Mazzitelli, F.D.
(2009)
. Derivative expansion for the boundary interaction terms in the Casimir effect: Generalized δ potentials. Physical Review D - Particles, Fields, Gravitation and Cosmology, 80(8).
http://dx.doi.org/10.1103/PhysRevD.80.085004---------- CHICAGO ----------
Fosco, C.D., Lombardo, F.C., Mazzitelli, F.D.
"Derivative expansion for the boundary interaction terms in the Casimir effect: Generalized δ potentials"
. Physical Review D - Particles, Fields, Gravitation and Cosmology 80, no. 8
(2009).
http://dx.doi.org/10.1103/PhysRevD.80.085004---------- MLA ----------
Fosco, C.D., Lombardo, F.C., Mazzitelli, F.D.
"Derivative expansion for the boundary interaction terms in the Casimir effect: Generalized δ potentials"
. Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 80, no. 8, 2009.
http://dx.doi.org/10.1103/PhysRevD.80.085004---------- VANCOUVER ----------
Fosco, C.D., Lombardo, F.C., Mazzitelli, F.D. Derivative expansion for the boundary interaction terms in the Casimir effect: Generalized δ potentials. Phys Rev D Part Fields Gravit Cosmol. 2009;80(8).
http://dx.doi.org/10.1103/PhysRevD.80.085004