Wigner Crystallization in a Quasi-3D Electronic System

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dc.creatorPiot, B. A.
dc.creatorJiang, Z.
dc.creatorDean, C. R.
dc.creatorEngel, L. W.
dc.creatorGervais, G.
dc.creatorPfeiffer, L. N.
dc.creatorWest, K. W.
dc.date2009-04-24
dc.date.accessioned2026-07-07T13:08:25Z
dc.date.available2026-07-07T13:08:25Z
dc.descriptionWhen a strong magnetic field is applied perpendicularly (along z) to a sheet confining electrons to two dimensions (x-y), highly correlated states emerge as a result of the interplay between electron-electron interactions, confinement and disorder. These so-called fractional quantum Hall (FQH) liquids form a series of states which ultimately give way to a periodic electron solid that crystallizes at high magnetic fields. This quantum phase of electrons has been identified previously as a disorder-pinned two-dimensional Wigner crystal with broken translational symmetry in the x-y plane. Here, we report our discovery of a new insulating quantum phase of electrons when a very high magnetic field, up to 45T, is applied in a geometry parallel (y-direction) to the two-dimensional electron sheet. Our data point towards this new quantum phase being an electron solid in a "quasi-3D" configuration induced by orbital coupling with the parallel field.
dc.identifierhttps://arxiv.org/abs/0904.3805
dc.identifierhttp://arxiv.org/abs/0904.3805
dc.identifierNature Physics 4, 936 - 939 (2008)
dc.identifierdoi:10.1038/nphys1094
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/228414
dc.subjectMesoscale and Nanoscale Physics
dc.subjectOther Condensed Matter
dc.titleWigner Crystallization in a Quasi-3D Electronic System
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