Glassy behavior of electrons near metal-insulator transitions

Details Glassy behavior of electrons near metal-insulator transitions Glassy behavior of electrons near metal-insulator transitions

2002-06-26

arxiv.org/abs/cond-mat/0206529v3

Phys. Rev. Lett. 90, 016402 (2003)

Physics

Condensed Matter

Disordered Systems and Neural Networks

Final version as published in Physical Review Letters

Scientific paper

10.1103/PhysRevLett.90.016402

The emergence of glassy behavior of electrons is investigated for systems close to the disorder and/or interaction-driven metal-insulator transitions. Our results indicate that Anderson localization effects strongly stabilize such glassy behavior, while Mott localization tends to suppress it. We predict the emergence of an intermediate metallic glassy phase separating the insulator from the normal metal. This effect is expected to be most pronounced for sufficiently disordered systems, in agreement with recent experimental observations.

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