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Pair condensation of bosonic atoms induced by optical lattices

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons60470

Eckholt Perotti,  María Gracía
Theory, Max Planck Institute of Quantum Optics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons60505

García-Ripoll,  Juan José
Theory, Max Planck Institute of Quantum Optics, Max Planck Society;

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Zitation

Eckholt Perotti, M. G., & García-Ripoll, J. J. (2008). Pair condensation of bosonic atoms induced by optical lattices. Physical Review A, 77(6): 063603. doi:10.1103/PhysRevA.77.063603.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000F-B578-6
Zusammenfassung
We design a model of correlated hopping for bosonic atoms in optical lattices. Such a model exhibits three kinds of phases: a Mott insulator, a charge density wave, and a pair quasicondensate. One possible implementation of the model is based on two-state atoms embedded in an optical superlattice and having state-dependent interactions. Contrary to other models of pairing, correlated hopping is not a perturbative effect and should be observable in generalizations of current experiments.