Semi-Classical Cosmological Models with Scalar, Dirac and Electromagnetic Fields |
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| Authors: | Luis P Chimento Norberto A Zuccalá |
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| Institution: | (1) Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires Ciudad Universitaria, Pabellón I, 1428 Buenos Aires, Argentina |
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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.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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