Vacuum polarization of massive spinor fields in static black-string backgrounds

Details Vacuum polarization of massive spinor fields in static black-string backgrounds Vacuum polarization of massive spinor fields in static black-string backgrounds

2007-07-04

arxiv.org/abs/0707.0708v2

Phys.Rev.D77:024044,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

15 pages, few corrections are done in this version

Scientific paper

10.1103/PhysRevD.77.024044

The renormalized mean value of the quantum Lagrangian and the corresponding components of the Energy-Momentum tensor for massive spinor fields coupled to an arbitrary gravitational field configuration having cylindrical symmetry are analytically evaluated using the Schwinger-DeWitt approximation, up to second order in the inverse mass value. The general results are employed to explicitly derive compact analytical expressions for the quantum mean Lagrangian and Energy- Momentum tensor in the particular background of the Black-String space-time.

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