Dynamical Schwinger process in a bifrequent electric field of finite duration: survey on amplification
arXiv:1503.08675 · doi:10.1103/PhysRevD.91.105018
Abstract
The electron-positron pair production due to the dynamical Schwinger process in a slowly oscillating strong electric field is enhanced by the superposition of a rapidly oscillating weaker electric field. A systematic account of the enhancement by the resulting bifrequent field is provided for the residual phase space distribution. The enhancement is explained by a severe reduction of the suppression in both the tunneling and multiphoton regimes.
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