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Paper   IPM / Physic / 8312
School of Physics
  Title:   Quantum Gravitational Optics in the Field of a Gravitomagnetic Monopole
  Author(s): 
1.  N. Ahmadi
2.  S. Khoeini Moghaddam
3.  M. Nouri-Zonoz
  Status:   Published
  Journal: J. Phys.: Conf. Series
  Vol.:  67
  Year:  2007
  Pages:   012056
  Supported by:  IPM
  Abstract:
Vacuum polarization in QED in a background gravitational field induces interactions which effectively modify the classical picture of light rays as the null geodesies 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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