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Open Quantum Systems Decoherence Quantum Simulation

Negative Refraction of Excitations in the Bose-Hubbard Model

arXiv

Authors: R. A. Henry, J. Q. Quach, C-H. Su, A. D. Greentree, A. M. Martin

Year

2014

Paper ID

8243

Status

Preprint

Abstract Read

~2 min

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Abstract

Ultracold atoms in optical lattices provide a unique opportunity to study Bose- Hubbard physics. In this work we show that by considering a spatially varying onsite interaction it is possible to manipulate the motion of excitations above the Mott phase in a Bose-Hubbard system. Specifically, we show that it is possible to "engineer" regimes where excitations will negatively refract, facilitating the construction of a flat lens.

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Ultracold atoms in optical lattices provide a unique opportunity to study Bose- Hubbard physics.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1407.4882 [2] arXiv https://arxiv.org/abs/1407.4882 [3] Publisher https://arxiv.org/abs/1407.4882

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