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On quantum phase transitions in tilted 2D lattices

arXiv

Authors: Andrey R. Kolovsky

Year

2015

Paper ID

27825

Status

Preprint

Abstract Read

~2 min

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Abstract

We discuss the quantum phase transition from the Mott-insulator state to the density-wave state for cold Bose atoms in a 2D square lattice as the lattice is adiabatically tilted along one of its primary axes. It is shown that a small misalignment of the tilt drastically changes the result of the adiabatic passage and, instead of the density-wave state, one obtains a disordered state. Intrinsic relation of the problem to Bloch oscillations of hard-core bosons in a 2D lattice is illuminated.

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We discuss the quantum phase transition from the Mott-insulator state to the density-wave state for cold Bose atoms in a 2D square lattice as the lattice is adiabatically...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1510.02671 [2] arXiv https://arxiv.org/abs/1510.02671 [3] Publisher https://arxiv.org/abs/1510.02671

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