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arxiv: 1310.7333 · v1 · submitted 2013-10-28 · ✦ hep-th · gr-qc

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Two-point function for the Maxwell field in flat Robertson-Walker spacetimes

E. Huguet , J. Renaud
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classification ✦ hep-th gr-qc
keywords functiontwo-pointfieldflatmaxwellaccountassumebehavior
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We obtain an explicit two-point function for the Maxwell field in flat Roberson-Walker spaces, thanks to a new gauge condition which takes the scale factor into account and assume a simple form. The two-point function is found to have the short distance Hadamard behavior.

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