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Paper   IPM / Physic / 8474
School of Physics
  Title:   Quantum Gravitational Optics: The Induced Phase1
  Author(s): 
1.  N. Ahmadi
2.  M. Nouri-Zonoz
  Status:   Published
  Journal: Classical Quant. Grav.
  Vol.:  25
  Year:  2008
  Pages:   135008
  Supported by:  IPM
  Abstract:
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 disscuss initial principles in conventional and modified geometrical optics and compare the results.

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