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Gershenzon EM, Gershenzon ME, Gol'tsman GN, Semenov AD, Sergeev AV. Nonselective effect of electromagnetic radiation on a superconducting film in the resistive state. JETP Lett. 1982;36(7):296–9.
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Gershenzon E, Gershenzon ME, Gol'tsman GN, Semenov AD, Sergeev AV. Heating of quasiparticles in a superconducting film in the resistive state. JETP Lett. 1981;34(5):268–71.
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Gershenzon EM, Gershenzon ME, Gol'tsman GN, Karasik BS, Semenov AD, Sergeev AV. Light-induced heating of electrons and the time of the inelastic electron-phonon scattering in the YBaCuO compound. JETP Lett. 1987;46(6):285–7.
Abstract: For the first time, measurements have been made on the electron energy relaxation time due to the electron--phonon interaction in films of the YBaCuO superconductor. The results indicate a significant intensification of the electron--phonon interaction in this compound as compared with normal superconducting metals.
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Gershenzon EM, Gol'tsman GN, Karasik BS, Semenov AD. Measurement of the energy gap in the compound YBaCu3O9-δ on the basis of the IR absorption spectrum. JETP Lett. 1987;46(5):237–8.
Abstract: For the first time the long-wave infrared absorption spectrum has been measured by means of the bolometric effect and energy gap for high-temperature superconducting ceramics YBa/sub 2/Cu/sub 3/O/sub 9-delta/ has been determined from absorption threshold. 2delta/kT/sub c/ value is equal to 0.6.
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Aksaev EE, Gershenzon EM, Gol'tsman GN, Semenov AD, Sergeev AV. Interaction of electrons with thermal phonons in YBa2Cu3O7-δ films at low temperatures. JETP Lett. 1989;50(5):283–6.
Abstract: The time of electron-phonon interaction tau(eph) in YBaCuO films at low temperatures is studied. This is measured as the time of resistance relaxation in the resistive state of the superconducter, and is also determined from the increase in resistance under the action of radiation. Consistent results of these methods show that resistance relaxation in the resistive state is caused by cooling of the electron subsystem with respect to the phonon subsystem. The time tau(eph) is found to be inversely proportional to the temperature and comes to 80 ps when T = 1.6 K and 5 ps when T = 30 K. 6 refs.
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