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Abstract:

Exact solutions of the semi-classical Einstein equations for conformally invariant free quantum fields in an homogeneous and isotropic space-time, with cosmological constant and containing a classical scalar field, dust matter, an unquantised Dirac field and electromagnetic radiation are found. The initial behaviour of the semiclassical models is investigated. Some of the solutions found avoid the singularity and do not have particle horizons.

Registro:

Documento: Artículo
Título:Semi-classical cosmological models with scalar, Dirac and electromagnetic fields
Autor:Chimento, L.P.; Zuccalá, N.A.
Filiación:Departamento de Física, Fac. de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
Consejo Nac. de Invest. Cie. y Tec., Argentina
Año:1997
Volumen:254
Número:1
Página de inicio:37
Página de fin:49
DOI: http://dx.doi.org/10.1023/A:1000728002592
Título revista:Astrophysics and Space Science
Título revista abreviado:Astrophys. Space Sci.
ISSN:0004640X
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0004640X_v254_n1_p37_Chimento

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Citas:

---------- APA ----------
Chimento, L.P. & Zuccalá, N.A. (1997) . Semi-classical cosmological models with scalar, Dirac and electromagnetic fields. Astrophysics and Space Science, 254(1), 37-49.
http://dx.doi.org/10.1023/A:1000728002592
---------- CHICAGO ----------
Chimento, L.P., Zuccalá, N.A. "Semi-classical cosmological models with scalar, Dirac and electromagnetic fields" . Astrophysics and Space Science 254, no. 1 (1997) : 37-49.
http://dx.doi.org/10.1023/A:1000728002592
---------- MLA ----------
Chimento, L.P., Zuccalá, N.A. "Semi-classical cosmological models with scalar, Dirac and electromagnetic fields" . Astrophysics and Space Science, vol. 254, no. 1, 1997, pp. 37-49.
http://dx.doi.org/10.1023/A:1000728002592
---------- VANCOUVER ----------
Chimento, L.P., Zuccalá, N.A. Semi-classical cosmological models with scalar, Dirac and electromagnetic fields. Astrophys. Space Sci. 1997;254(1):37-49.
http://dx.doi.org/10.1023/A:1000728002592