Journal
PHYSICAL REVIEW A
Volume 86, Issue 2, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.86.023604
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Funding
- German Research Foundation (DFG) [Str 1176/1-1]
- NSF [DMR-1103860]
- Multidisciplinary University Research Initiative (MURI) from AFOSR
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1103860] Funding Source: National Science Foundation
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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.
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