Quantum gravitational optics: the induced phase

Details Quantum gravitational optics: the induced phase Quantum gravitational optics: the induced phase

2007-03-26

arxiv.org/abs/gr-qc/0703123v1

Class.Quant.Grav.25:135008,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages, REVTex format

Scientific paper

10.1088/0264-9381/25/13/135008

The geometrical approximation of the extended Maxwell equation in curved spacetime incorporating interactions induced by the vacuum polarization effects is considered. Taking into account these QED interactions and employing the analogy between eikonal equation in geometrical optics and Hamilton-Jacobi equation for the particle motion, we study the phase structure of the modified theory. There is a complicated, local induced phase which is believed to be responsible for the modification of the classical picture of light ray. The main features of QGO could be obtained through the study of this induced phase. We discuss initial principles in conventional and modified geometrical optics and compare the results.

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