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Atomic Fermi-Bose mixtures in inhomogeneous and random lattices : From Fermi glass to quantum spin glass and quantum percolation
Sanpera Trigueros, Anna (Institut de Ciències Fotòniques (Barcelona, Catalunya))
Kantian, A. (Universität Hannover. Institut für Theoretische Physik)
Sánchez Palencia, L. (Universität Hannover. Institut für Theoretische Physik)
Zakrzewski, J. (Uniwersytet Jagiellon'ski. Instytut Fizyki (Cracòvia, Polònia))
Lewenstein, Maciej (Institut de Ciències Fotòniques (Barcelona, Catalunya))
American Physical Society

Fecha: 2004
Resumen: 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.
Derechos: Tots els drets reservats.
Lengua: Anglès.
Documento: article ; publishedVersion
Publicado en: Physical review letters, Vol. 93, Issue 4 (July 2004) , p. 040401, ISSN 0031-9007

DOI: 10.1103/PhysRevLett.93.040401


4 p, 104.0 KB

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