K -H Lotze 1990 Class. Quantum Grav. 7 2145 doi:10.1088/0264-9381/7/11/022
K -H Lotze
Show affiliationsUnder the main aspect of the creation of photon pairs from vacuum the author investigates Maxwell's equations in anisotropic universes with a diagonal Bianchi type I metric. Thereby he employs a method developed earlier by Sagnotti and Zwiebach (1981). For two axisymmetric expansion laws he obtains exact photon solutions of the Maxwell equations making use of a WKB particle concept. He computes the number densities of created photons and emphasizes the importance of singularity avoidance for getting finite results. In the case of weak anisotropies the results by Zel'dovich and Starobinsky (1977) are regained and commented on.
03.50.De Classical electromagnetism, Maxwell equations
04.40.-b Self-gravitating systems; continuous media and classical fields in curved spacetime
Issue 11 (November 1990)
K -H Lotze 1990 Class. Quantum Grav. 7 2145
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