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Controlling ultracold atoms in multi-band optical lattices for simulation of Kondo physics

L. -M. Duan
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Abstract

We show that ultracold atoms can be controlled in multi-band optical lattices through spatially periodic Raman pulses for investigation of a class of strongly correlated physics related to the Kondo problem. The underlying dynamics of this system is described by a spin-dependent fermionic or bosonic Kondo-Hubbard lattice model even if we have only spin-independent atomic collision interaction. We solve the bosonic Kondo-Hubbard lattice model through a mean-field approximation, and the result shows a clear phase transition from the ferromagnetic superfluid to the Kondo-signet insulator at the integer filling.

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L. -M. Duan. 2003-10-16. Controlling ultracold atoms in multi-band optical lattices for simulation of Kondo physics. https://doi.org/10.1209/epl%2Fi2004-10115-8

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