Van Hove singularity in Raman scattering spectra of high-T
c superconductors |
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| Authors: | O V Misochko E Ya Sherman |
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| Institution: | (1) Institute of Solid State Physics, Russian Academy of Sciences, 142432 Chernogolovka, Moscow District, Russia;(2) Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Moscow District, Russia |
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| Abstract: | Experimental data are presented which supporting observation of an extended van Hove singularity in Raman spectra of high-T
c superconductors. Excitation of large-momentum electron-hole pairs is proposed as a possible mechanism of the scattering.
Fiz. Tverd. Tela (St. Petersburg) 40, 27–31 (January 1998) |
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