Abstract:
We compute the vacuum polarization associated with quantum massless fields around stars with spherical symmetry. The nonlocal contribution to the vacuum polarization is dominant in the weak field limit and induces quantum corrections to the static exterior metric that depend on the inner structure of the star. It also violates the null energy conditions. We argue that similar results also hold in the low energy limit of quantum gravity. Previous calculations of the vacuum polarization in spherically symmetric spacetimes, based on local approximations, are not adequate for Newtonian stars. © 2005 The American Physical Society.
Registro:
Documento: |
Artículo
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Título: | Vacuum polarization around stars: Nonlocal approximation |
Autor: | Satz, A.; Mazzitelli, F.D.; Alvarez, E. |
Filiación: | School of Mathematical Sciences, University of Nottingham, NG7 2RD Nottingham, United Kingdom Depto. Fisica Juan Jose Giambiagi, FCEyN UBA, Pabellón I, 1428 Buenos Aires, Argentina Departament de Fisica Teorica, IFIC, Universitat de Valencia, Dr Moliner 50, E-46100 Burjassot (Valencia), Spain
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Palabras clave: | article; calculation; energy; gravity; mathematical computing; polarization; quantum theory; structure analysis; vacuum |
Año: | 2005
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Volumen: | 71
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Número: | 6
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Página de inicio: | 1
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Página de fin: | 7
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DOI: |
http://dx.doi.org/10.1103/PhysRevD.71.064001 |
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_v71_n6_p1_Satz |
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Citas:
---------- APA ----------
Satz, A., Mazzitelli, F.D. & Alvarez, E.
(2005)
. Vacuum polarization around stars: Nonlocal approximation. Physical Review D - Particles, Fields, Gravitation and Cosmology, 71(6), 1-7.
http://dx.doi.org/10.1103/PhysRevD.71.064001---------- CHICAGO ----------
Satz, A., Mazzitelli, F.D., Alvarez, E.
"Vacuum polarization around stars: Nonlocal approximation"
. Physical Review D - Particles, Fields, Gravitation and Cosmology 71, no. 6
(2005) : 1-7.
http://dx.doi.org/10.1103/PhysRevD.71.064001---------- MLA ----------
Satz, A., Mazzitelli, F.D., Alvarez, E.
"Vacuum polarization around stars: Nonlocal approximation"
. Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 71, no. 6, 2005, pp. 1-7.
http://dx.doi.org/10.1103/PhysRevD.71.064001---------- VANCOUVER ----------
Satz, A., Mazzitelli, F.D., Alvarez, E. Vacuum polarization around stars: Nonlocal approximation. Phys Rev D Part Fields Gravit Cosmol. 2005;71(6):1-7.
http://dx.doi.org/10.1103/PhysRevD.71.064001