Quantum Hall to Insulator Transition in the Bilayer Quantum Hall Ferromagnet

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dc.creatorMurthy, Ganpathy
dc.creatorSachdev, Subir
dc.date2008-08-27
dc.date.accessioned2026-07-07T10:19:58Z
dc.date.available2026-07-07T10:19:58Z
dc.descriptionWe describe a new phase transition of the bilayer quantum Hall ferromagnet at filling fraction $ν= 1$. In the presence of static disorder (modeled by a periodic potential), bosonic $S=1/2$ spinons can undergo a superfluid-insulator transition while preserving the ferromagnetic order. The Mott insulating phase has an emergent U(1) photon, and the transition is between Higgs and Coulomb phases of this photon. Physical consequences for charge and counterflow conductivity, and for interlayer tunneling conductance in the presence of quenched disorder are discussed.
dc.description4 pages, no figures
dc.identifierhttps://arxiv.org/abs/0808.3702
dc.identifierhttp://arxiv.org/abs/0808.3702
dc.identifierPhysical Review Letters 101, 226801 (2008)
dc.identifierdoi:10.1103/PhysRevLett.101.226801
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/174705
dc.subjectMesoscale and Nanoscale Physics
dc.titleQuantum Hall to Insulator Transition in the Bilayer Quantum Hall Ferromagnet
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