Bilayer quantum Hall systems: spin–pseudospin symmetry breaking and quantum phase transitions

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Bilayer quantum Hall systems: spin–pseudospin symmetry breaking and quantum phase transitions

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Title: Bilayer quantum Hall systems: spin–pseudospin symmetry breaking and quantum phase transitions
Author: Das Sarma, Sankar; Demler, Eugene A.

Note: Order does not necessarily reflect citation order of authors.

Citation: Sarma, S.Das, and Eugene Demler. 2001. “Bilayer Quantum Hall Systems: Spin–pseudospin Symmetry Breaking and Quantum Phase Transitions.” Solid State Communications 117 (3) (January): 141–147. doi:10.1016/s0038-1098(00)00433-6.
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Abstract: We discuss and review recent advances in our understanding of quantum Hall systems where additional quantum numbers associated with spin and/or layer (pseudospin) indices play crucial roles in creating exotic quantum phases. Among the novel quantum phases we discuss are the recently discovered canted antiferromagnetic phrase, the spontaneous interlayer coherent phrase, and various spin Bose glass phases. We describe the theoretical models used in studying these novel phrases and the various experimental techniques being used to search for these phases. Both zero temperature quantum phase transitions and finite temperature phrase transitions are discussed. Emphasis in the article is on the recent developments in novel quantum phases and quantum phase transitions in bilayer quantum Hall systems where nontrivial magnetic ground states associated with spontaneous spin symmetry breaking play central role.
Published Version: doi:10.1016/S0038-1098(00)00433-6
Other Sources: https://arxiv.org/abs/cond-mat/0009372
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:34334614
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