The Puzzling Collapse of Electronic Sliding Friction on a Superconductor Surface

Details The Puzzling Collapse of Electronic Sliding Friction on a Superconductor Surface The Puzzling Collapse of Electronic Sliding Friction on a Superconductor Surface

1998-05-05

arxiv.org/abs/cond-mat/9805035v1

Physics

Condensed Matter

5 pages, no figures

Scientific paper

10.1016/S0039-6028(98)00413-0

In a recent paper [Phys. Rev. Lett. 80 (1998) 1690], Krim and coworkers have observed that the friction force, acting on a thin physisorbed layer of N_2 sliding on a lead film, abruptly decreases by a factor of ~2 when the lead film is cooled below its superconductivity transition temperature. We discuss the possible mechanisms for the abruptness of the sliding friction drop, and also discuss the relevance of these results to the problem of electronic friction.

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