Axion Decay in a Constant Electromagnetic Background Field and at Finite Temperature using World-line Methods
classification
✦ hep-th
keywords
fieldaxiondecayelectromagneticexternalfinitetemperatureworld-line
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We investigate the radiative decay of the axion into two photons in an external electromagnetic field to one loop order. Our approach is based on the world-line formalism, which is very suitable to take into account the external field to all orders. Afterwards we discuss how the calculation could be generalized to finite temperature.
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