Quantum gravitational optics in the field of a gravitomagnetic monopole

Details Quantum gravitational optics in the field of a gravitomagnetic monopole Quantum gravitational optics in the field of a gravitomagnetic monopole

2006-07-29

arxiv.org/abs/gr-qc/0607135v2

J.Phys.Conf.Ser.67:012056,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, title changed and the text abridged for publication in the Journal of Physics: Conference series

Scientific paper

10.1088/1742-6596/67/1/012056

Vacuum polarization in QED in a background gravitational field induces interactions which {\it effectively} modify the classical picture of light rays as the null geodesics of spacetime. After a short introduction on the main aspects of the quantum gravitational optics, as a nontrivial example, we study this effect in the background of NUT space characterizing the spacetime of a spherical mass endowed with a gravitomagnetic monopole charge, the so called NUT factor.

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