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Abstract:

We compute the graviton induced corrections to Maxwell’s equations in the one-loop and weak field approximations. The corrected equations are analogous to the classical equations in anisotropic and inhomogeneous media. We analyze in particular the corrections to the dispersion relations. When the wavelength of the electromagnetic field is much smaller than a typical length scale of the graviton two-point function, the speed of light depends on the direction of propagation and on the polarization of the radiation. In the opposite case, the speed of light may also depend on the energy of the electromagnetic radiation. We study in detail wave propagation in two special backgrounds: flat Robertson-Walker and static, spherically symmetric spacetimes. In the case of a flat Robertson-Walker gravitational background we find that the corrected electromagnetic field equations correspond to an isotropic medium with a time-dependent effective refractive index. For a static, spherically symmetric background the graviton fluctuations induce a vacuum structure which causes birefringence in the propagation of light. © 2001 The American Physical Society.

Registro:

Documento: Artículo
Título:One-loop graviton corrections to Maxwell’s equations
Autor:Dalvit, D.A.R.
Filiación:T-6 Theoretical Division, MS B288, Los Alamos National Laboratory, NM, 87545, United States
Departamento de Física J.J. Giambiagi, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires–Ciudad Universitaria, Buenos Aires, 1428, Argentina
Centro de Astrobiología, CSIC–INTA, Carretera de Ajalvir Km. 4, Torrejón, Madrid, 28850, Spain
Año:2001
Volumen:63
Número:8
Página de inicio:12
DOI: http://dx.doi.org/10.1103/PhysRevD.63.084023
Título revista:Physical Review D - Particles, Fields, Gravitation and Cosmology
Título revista abreviado:Phys Rev D Part Fields Gravit Cosmol
ISSN:15507998
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15507998_v63_n8_p12_Dalvit

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Citas:

---------- APA ----------
(2001) . One-loop graviton corrections to Maxwell’s equations. Physical Review D - Particles, Fields, Gravitation and Cosmology, 63(8), 12.
http://dx.doi.org/10.1103/PhysRevD.63.084023
---------- CHICAGO ----------
Dalvit, D.A.R. "One-loop graviton corrections to Maxwell’s equations" . Physical Review D - Particles, Fields, Gravitation and Cosmology 63, no. 8 (2001) : 12.
http://dx.doi.org/10.1103/PhysRevD.63.084023
---------- MLA ----------
Dalvit, D.A.R. "One-loop graviton corrections to Maxwell’s equations" . Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 63, no. 8, 2001, pp. 12.
http://dx.doi.org/10.1103/PhysRevD.63.084023
---------- VANCOUVER ----------
Dalvit, D.A.R. One-loop graviton corrections to Maxwell’s equations. Phys Rev D Part Fields Gravit Cosmol. 2001;63(8):12.
http://dx.doi.org/10.1103/PhysRevD.63.084023