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Emission of plasmons caused by quasiparticle injection to a high-Tc superconductor

S. E. Shafranjuk, M. Tachiki

DOI 10.1103/PhysRevB.59.14087 · Physical Review B

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Abstract

When the nonequilibrium electron distribution is created by intensive tunneling injection into a cuprate superconductor, the transverse monochromatic Josephson plasma wave is effectively generated in the process of electron energy relaxation. We calculate the generation rate of the Josephson plasmons and find the conditions of coherent electromagnetic emission.

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