Abstract:
It is well known that boundary conditions on quantum fields produce divergences in the renormalized energy-momentum tensor near the boundaries. Although irrelevant for the computation of Casimir forces between different bodies, the self-energy couples to gravity, and the divergences may, in principle, generate large gravitational effects. We present an analysis of the problem in the context of quantum field theory in curved spaces. Our model consists of a quantum scalar field coupled to a classical field that, in a certain limit, imposes Dirichlet boundary conditions on the quantum field. We show that the model is renormalizable and that the divergences in the renormalized energy-momentum tensor disappear for sufficiently smooth interfaces. © 2011 American Physical Society.
Registro:
Documento: |
Artículo
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Título: | Boundary divergences in vacuum self-energies and quantum field theory in curved spacetime |
Autor: | Mazzitelli, F.D.; Nery, J.P.; Satz, A. |
Filiación: | Centro Atómico Bariloche, Comisión Nacional de Energía Atómica, R8402AGP Bariloche, Argentina Departamento de Física Juan José Giambiagi, FCEyN UBA, Ciudad Universitaria, Pabellón I, 1428 Buenos Aires, Argentina Department of Physics and Astronomy, Stony Brook University, Stony Brook, NY 11794, United States Maryland Center for Fundamental Physics, Department of Physics, University of Maryland, College Park, MD 20742-4111, United States
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Año: | 2011
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Volumen: | 84
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Número: | 12
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DOI: |
http://dx.doi.org/10.1103/PhysRevD.84.125008 |
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_v84_n12_p_Mazzitelli |
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Citas:
---------- APA ----------
Mazzitelli, F.D., Nery, J.P. & Satz, A.
(2011)
. Boundary divergences in vacuum self-energies and quantum field theory in curved spacetime. Physical Review D - Particles, Fields, Gravitation and Cosmology, 84(12).
http://dx.doi.org/10.1103/PhysRevD.84.125008---------- CHICAGO ----------
Mazzitelli, F.D., Nery, J.P., Satz, A.
"Boundary divergences in vacuum self-energies and quantum field theory in curved spacetime"
. Physical Review D - Particles, Fields, Gravitation and Cosmology 84, no. 12
(2011).
http://dx.doi.org/10.1103/PhysRevD.84.125008---------- MLA ----------
Mazzitelli, F.D., Nery, J.P., Satz, A.
"Boundary divergences in vacuum self-energies and quantum field theory in curved spacetime"
. Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 84, no. 12, 2011.
http://dx.doi.org/10.1103/PhysRevD.84.125008---------- VANCOUVER ----------
Mazzitelli, F.D., Nery, J.P., Satz, A. Boundary divergences in vacuum self-energies and quantum field theory in curved spacetime. Phys Rev D Part Fields Gravit Cosmol. 2011;84(12).
http://dx.doi.org/10.1103/PhysRevD.84.125008