Condensed Matter Seminar: "Dynamical Cooper pairing in non-equilibrium electron-phonon systems"
(sign-up)Eugene Demler, Harvard University
Physics - Condensed Matter
This talk will review Cooper pairing instabilities in driven electron-phonon systems. It will be shown that the light-induced non-equilibrium state of phonons results in a simultaneous increase of the superconducting coupling constant and the electron scattering. From analysis of the competition between these effects it will be shown that superconducting transition temperature can be enhanced in a broad range of parameters. These results may explain the observed transient enhancement of superconductivity in several classes of materials upon irradiation with high intensity pulses of terahertz light.
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