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Title:	Quantum Hall to Insulator Transition in the Bilayer Quantum Hall Ferromagnet
Author:	Murthy, Ganpathy; Sachdev, Subir Note: Order does not necessarily reflect citation order of authors.
Citation:	Murthy, Ganpathy, and Subir Sachdev. 2008. Quantum hall to insulator transition in the bilayer quantum hall ferromagnet. Physical Review Letters 101(22): 226801.
Full Text & Related Files:	0808.3702v1.pdf (133.3Kb; PDF)
Abstract:	We describe a phase transition of the bilayer quantum Hall ferromagnet at \(\nu=1\). In the presence of static disorder (modeled by a periodic potential), bosonic \(S=\frac{1}{2}\) spinons undergo a superfluid-insulator transition while preserving ferromagnetism. The Mott insulating phase has an emergent \(U(1)\) photon, and the transition is between Higgs and Coulomb phases of this photon. Consequences for charge and counterflow conductivity and for interlayer tunneling conductance are discussed.
Published Version:	doi:10.1103/PhysRevLett.101.226801
Terms of Use:	This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page:	http://nrs.harvard.edu/urn-3:HUL.InstRepos:7522128

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  Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University

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