Magnetic-field effects on strongly localized electrons

Ernesto Medina, Mehran Kardar, Yonathan Shapir, Xiang Rong Wang

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

57 Citas (Scopus)


The magnetic-field response of strongly localized electrons is probed by examining the quantum interference of forward scattering paths. With no disorder, there is a rich structure in the tunneling rate, which is sensitively dependent upon commensurability of the flux per plaquette with the flux quantum. With nonmagnetic impurities, there is a positive magnetoconductance, and the localization length appears to increase as B1/2. With impurities breaking time-reversal symmetry, the distribution of tunneling rates is not changed by the magnetic field.

Idioma originalInglés
Páginas (desde-hasta)1816-1819
Número de páginas4
PublicaciónPhysical Review Letters
EstadoPublicada - 1990
Publicado de forma externa


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