Quantum Magnetism and Criticality

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Quantum Magnetism and Criticality

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Title: Quantum Magnetism and Criticality
Author: Sachdev, Subir
Citation: Subir Sachdev. 2008. Quantum magnetism and criticality. Nature Physics 4(3): 173-185.
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Abstract: Magnetic insulators have proved to be fertile ground for studying new types of quantum many body states, and I survey recent experimental and theoretical examples. The insights and methods transfer also to novel superconducting and metallic states. Of particular interest are critical quantum states, sometimes found at quantum phase transitions, which have gapless excitations with no particle- or wave-like interpretation, and control a significant portion of the finite temperature phase diagram. Remarkably, their theory is connected to holographic descriptions of Hawking radiation from black holes.
Published Version: doi://10.1038/nphys894
Other Sources: http://arxiv.org/pdf/0711.3015
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:7391190

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