Disappearance of the metal-like behavior in GaAs two-dimensional holes below 30 mK

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dc.creatorHuang, Jian
dc.creatorXia, J. S.
dc.creatorTsui, D. C.
dc.creatorPfeiffer, L. N.
dc.creatorWest, K. W.
dc.date2007-12-19
dc.date.accessioned2026-07-07T08:50:16Z
dc.date.available2026-07-07T08:50:16Z
dc.descriptionThe zero-field temperature-dependence of the resistivity of two-dimensional holes are observed to exhibit two qualitatively different characteristics for a fixed carrier density for which only the metallic behavior of the so-called metal-insulator transition is anticipated. As $T$ is lowered from 150 mK to 0.5 mK, the sign of the derivative of the resistivity with respect to $T$ changes from being positive to negative when the temperature is lowered below $\sim$30 mK and the resistivity continuously rises with cooling down to 0.5 mK, suggesting a crossover from being metal-like to insulator-like.
dc.identifierhttps://arxiv.org/abs/0712.3085
dc.identifierhttp://arxiv.org/abs/0712.3085
dc.identifierPhys. Rev. Lett. 98, 226801 (2007)
dc.identifierdoi:10.1103/PhysRevLett.98.226801
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/144549
dc.subjectStrongly Correlated Electrons
dc.subjectMesoscale and Nanoscale Physics
dc.titleDisappearance of the metal-like behavior in GaAs two-dimensional holes below 30 mK
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