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One loop photon-graviton mixing in an electromagnetic field: part 2

F. Bastianelli1,2, U. Nucamendi3, C. Schubert1,3 and V.M. Villanueva1,3

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In part 1 of this series compact integral representations had been obtained for the one-loop photon-graviton amplitude involving a charged spin 0 or spin 1/2 particle in the loop and an arbitrary constant electromagnetic field. In this sequel, we study the structure and magnitude of the various polarization components of this amplitude on-shell. Explicit expressions are obtained for a number of limiting cases.

Keywords

Nonperturbative Effects

Electromagnetic Processes and Properties

Models of Quantum Gravity

 

E-print Number: 0710.5572

Cited: by |

Refers: to

PACS

04.60.Pp Loop quantum gravity, quantum geometry, spin foams

04.40.Nr Einstein-Maxwell spacetimes, spacetimes with fluids, radiation or classical fields

Subjects

Gravitation and cosmology

Dates

Issue 11 (November 2007)

Received 2 November 2007, accepted for publication 26 November 2007

Published 30 November 2007



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