Hartree approximation in curved spacetimes revisited. II. the semiclassical Einstein equations and de Sitter self-consistent solutions

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We consider the semiclassical Einstein equations (SEE) in the presence of a quantum scalar field with self-interaction λφ4. 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, w...

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Autor principal: López Nacir, D.L
Otros Autores: Mazzitelli, F.D, Trombetta, L.G
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: American Physical Society 2014
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100 1 |a López Nacir, D.L. 
245 1 0 |a Hartree approximation in curved spacetimes revisited. II. the semiclassical Einstein equations and de Sitter self-consistent solutions 
260 |b American Physical Society  |c 2014 
270 1 0 |m López Nacir, D.L.; Abdus Salam International Centre for Theoretical Physics, Strada Costiera 11, 34151 Trieste, Italy 
506 |2 openaire  |e Política editorial 
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504 |a See Ref. [34], Fig. 4 
520 3 |a We consider the semiclassical Einstein equations (SEE) in the presence of a quantum scalar field with self-interaction λφ4. 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 Z2-symmetry. © 2014 American Physical Society.  |l eng 
593 |a Abdus Salam International Centre for Theoretical Physics, Strada Costiera 11, 34151 Trieste, Italy 
593 |a Departamento de Física and IFIBA, FCEyN UBA, Ciudad Universitaria, Pabellón i, 1428 Buenos Aires, Argentina 
593 |a Centro Atómico Bariloche Comisión Nacional de Energía Atómica, R8402AGP Bariloche, Argentina 
700 1 |a Mazzitelli, F.D. 
700 1 |a Trombetta, L.G. 
773 0 |d American Physical Society, 2014  |g v. 89  |k n. 8  |p Phys Rev D Part Fields Gravit Cosmol  |x 15507998  |t Physical Review D - Particles, Fields, Gravitation and Cosmology 
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856 4 0 |u https://doi.org/10.1103/PhysRevD.89.084013  |y DOI 
856 4 0 |u https://hdl.handle.net/20.500.12110/paper_15507998_v89_n8_p_LopezNacir  |y Handle 
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