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Open Quantum Systems Decoherence Quantum Simulation

Stationary states of Bose-Einstein condensed atoms rotating in an asymmetric ring potential

arXiv
Authors: M. Ögren, Giannis Drougakis, Giorgos Vasilakis, Wolf von Klitzing, G. M. Kavoulakis

Year

2021

Paper ID

63078

Status

Preprint

Abstract Read

~2 min

Abstract Words

91

Citations

N/A

Abstract

We consider a Bose-Einstein condensate, which is confined in a very tight toroidal/annular trap, in the presence of a potential, which breaks the axial symmetry of the Hamiltonian. We investigate the stationary states of the condensate, when its density distribution co-rotates with the symmetry-breaking potential. As the strength of the potential increases, we have a gradual transition from vortex excitation to solid-body-like motion. Of particular importance are states where the system is static and yet it has a nonzero current/circulation, which is a realization of persistent currents/reflectionless potentials.

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  • This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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  • We consider a Bose-Einstein condensate, which is confined in a very tight toroidal/annular trap, in the presence of a potential, which breaks the axial symmetry of the Hamiltonian.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2107.09291 [2] arXiv https://arxiv.org/abs/2107.09291 [3] Publisher https://arxiv.org/abs/2107.09291

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