Artículo
Hartree approximation in curved spacetimes revisited: II- The semiclassical Einstein equations and de Sitter self-consistent solutions
Fecha de publicación:
04/2014
Editorial:
American Physical Society
Revista:
Physical Review D: Particles, Fields, Gravitation and Cosmology
ISSN:
1550-7998
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
We consider the semiclassical Einstein equations (SEE) in the presence of a quantum scalar field with self-interaction λ ϕ 4 . Working in the Hartree truncation of the two-particle irreducible effective action, we compute the vacuum expectation value of the energy-momentum tensor of the scalar field, which acts as a source of the SEE. We obtain the renormalized SEE by implementing a consistent renormalization procedure. We apply our results to find self-consistent de Sitter solutions to the SEE in situations with or without spontaneous breaking of the Z 2 -symmetry.
Palabras clave:
Desitter
,
Nonperturbative
,
Hartree
,
Potential
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Articulos(IFIBA)
Articulos de INST.DE FISICA DE BUENOS AIRES
Articulos de INST.DE FISICA DE BUENOS AIRES
Articulos(CCT - PATAGONIA NORTE)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - PATAGONIA NORTE
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - PATAGONIA NORTE
Articulos(OCA CIUDAD UNIVERSITARIA)
Articulos de OFICINA DE COORDINACION ADMINISTRATIVA CIUDAD UNIVERSITARIA
Articulos de OFICINA DE COORDINACION ADMINISTRATIVA CIUDAD UNIVERSITARIA
Citación
Trombetta, Leonardo Giuliano; Mazzitelli, Francisco Diego; Lopez Nacir, Diana Laura; Hartree approximation in curved spacetimes revisited: II- The semiclassical Einstein equations and de Sitter self-consistent solutions; American Physical Society; Physical Review D: Particles, Fields, Gravitation and Cosmology; 89; 8; 4-2014; 24006-24027
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