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Scattering coefficients and gray-body factor for 1D BEC acoustic black holes: exact results
classification
🌀 gr-qc
cond-mat.quant-gashep-th
keywords
acousticcoefficientsfactorgray-bodyscatteringanalyticblackexact
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A complete set of exact analytic solutions to the mode equation is found in the region exterior to the acoustic horizon for a class of 1D Bose-Einstein condensate (BEC) acoustic black holes. From these, analytic expressions for the scattering coefficients and gray-body factor are obtained. The results are used to verify previous predictions regarding the behaviors of the scattering coefficients and gray-body factor in the low frequency limit.
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