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Atomic Fermi-Bose Mixtures in Inhomogeneous and Random Lattices: From Fermi Glass to Quantum Spin Glass and Quantum Percolation
Institut de Cie `ncies Foto `niques, 08034 Barcelona, Spain;Institut für Theoretische Physik, Universität Hannover, D-30167 Hannover, Germany.
Institut für Theoretische Physik, Universität Hannover, D-30167 Hannover, Germany.
Institut für Theoretische Physik, Universität Hannover, D-30167 Hannover, Germany.
Instytut Fizyki, Uniwersytet Jagiellon ´ski, PL-30-059 Krako ´w, Poland.
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2004 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 93, no 4Article in journal (Refereed) Published
Abstract [en]

We investigate strongly interacting atomic Fermi-Bose mixtures in inhomogeneous and random optical lattices. We derive an effective Hamiltonian for the system and discuss its low temperature physics. We demonstrate the possibility of controlling the interactions at local level in inhomogeneous but regular lattices. Such a control leads to the achievement of Fermi glass, quantum Fermi spin-glass, and quantum percolation regimes involving bare and/or composite fermions in random lattices.

Place, publisher, year, edition, pages
2004. Vol. 93, no 4
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:uu:diva-336259DOI: 10.1103/PhysRevLett.93.040401OAI: oai:DiVA.org:uu-336259DiVA: diva2:1165664
Available from: 2017-12-13 Created: 2017-12-13 Last updated: 2017-12-13

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