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Quantum Simulation

Phase dependent loading of Bloch bands and Quantum simulation of relativistic wave equation predictions with ultracold atoms in variably shaped optical lattice potentials

arXiv
Authors: Christopher Grossert, Martin Leder, Martin Weitz

Year

2015

Paper ID

26414

Status

Preprint

Abstract Read

~2 min

Abstract Words

110

Citations

N/A

Abstract

The dispersion relation of ultracold atoms in variably shaped optical lattices can be tuned to resemble that of a relativistic particle, i.e. be linear instead of the usual nonrelativistic quadratic dispersion relation of a free atom. Cold atoms in such a lattice can be used to carry out quantum simulations of relativistic wave equation predictions. We begin this article by describing a Raman technique that allows to selectively load atoms into a desired Bloch band of the lattice near a band crossing. Subsequently, we review two recent experiments with quasirelativistic rubidium atoms in a bichromatic lattice, demonstrating the analogs of Klein tunneling and Veselago lensing with ultracold atoms respectively.

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  • The dispersion relation of ultracold atoms in variably shaped optical lattices can be tuned to resemble that of a relativistic particle, i.e.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1510.09050 [2] arXiv https://arxiv.org/abs/1510.09050 [3] Publisher https://arxiv.org/abs/1510.09050

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