Goldstone Bosons with Application to Inflation Rehea


A semiclassical calculation of particle production by a scalar field in a potential is performed. We focus on the particular case of production of fermions by a NambuGoldstone boson θ. We have derived a (non)local equation of motion for the θ-field with the backreaction of the produced particles taken into account. The equation is solved in some special… (More)


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