Andreev-like reflections with cold atoms

Details Andreev-like reflections with cold atoms Andreev-like reflections with cold atoms

2007-10-15

arxiv.org/abs/0710.2914v1

Phys. Rev. Lett. 100, 110404 (2008)

Physics

Condensed Matter

Other Condensed Matter

5 pages, 4 figures, RevTeX 4

Scientific paper

10.1103/PhysRevLett.100.110404

We propose a setup in which Andreev-like reflections predicted for 1D transport systems could be observed time-dependently using cold atoms in a 1D optical lattice. Using time-dependent Density Matrix Renormalisation Group methods we analyse the wavepacket dynamics as a density excitation propagates across a boundary in the interaction strength. These phenomena exhibit good correspondence with predictions from Luttinger liquid models and could be observed in current experiments in the context of the Bose-Hubbard model.

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