Electron-electron scattering in dirty three-dimensional aluminum films

Nonequilibrium superconductivity has been used to determine for the first time the electron-electron scattering rate in weakly disordered three-dimensional aluminum films at temperatures of about 1 K. This electron-electron rate strongly exceeds the independently measured electron-phonon rate for re...

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Veröffentlicht in:Phys. Rev. B: Condens. Matter; (United States) 1986-01, Vol.33 (2), p.1474-1477
Hauptverfasser: KLAPWIJK, T. M, VAN DER PLAS, P. A, MOOIJ, J. E
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Sprache:eng
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Zusammenfassung:Nonequilibrium superconductivity has been used to determine for the first time the electron-electron scattering rate in weakly disordered three-dimensional aluminum films at temperatures of about 1 K. This electron-electron rate strongly exceeds the independently measured electron-phonon rate for resistivity rho>100 n..cap omega.. m and is proportional to l/sup -3/2/ as predicted by the Schmid theory. The absolute value exceeds the theoretical value by an order of magnitude.
ISSN:0163-1829
1095-3795
DOI:10.1103/PhysRevB.33.1474