Quantum Charge Glasses of Itinerant Fermions with Cavity-Mediated Long-Range Interactions

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Quantum Charge Glasses of Itinerant Fermions with Cavity-Mediated Long-Range Interactions

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Title: Quantum Charge Glasses of Itinerant Fermions with Cavity-Mediated Long-Range Interactions
Author: Müller, Markus; Strack, Philipp; Sachdev, Subir

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Citation: Müller, Markus, Philipp Strack, and Subir Sachdev. 2012. Quantum charge glasses of itinerant fermions with cavity-mediated long-range interactions. Physical Review A 86(2): 023604.
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Abstract: We study models of itinerant spinless fermions with random long-range interactions. We motivate such models from descriptions of fermionic atoms in multimode optical cavities. The solution of an infinite-range model yields a metallic phase, which has glassy charge dynamics, and a localized glass phase with suppressed density of states at low energies. We compare these phases to the conventional disordered Fermi liquid, and the insulating electron glass of semiconductors. Prospects for the realization of such glassy phases in cold-atom systems are discussed.
Published Version: doi:10.1103/PhysRevA.86.023604
Other Sources: http://arxiv.org/abs/1205.4027
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:10885505
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