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Trapped Ion Quantum Computing Superconducting Qubits

A cavity-QED quantum simulator of dynamical phases of a BCS superconductor

arXiv
Authors: Robert J. Lewis-Swan, Diego Barberena, Julia R. K. Cline, Dylan J. Young, James K. Thompson, Ana Maria Rey

Year

2020

Paper ID

18977

Status

Preprint

Abstract Read

~2 min

Abstract Words

114

Citations

N/A

Abstract

We propose to simulate dynamical phases of a BCS superconductor using an ensemble of cold atoms trapped in an optical cavity. Effective Cooper pairs are encoded via internal states of the atoms and attractive interactions are realized via the exchange of virtual photons between atoms coupled to a common cavity mode. Control of the interaction strength combined with a tunable dispersion relation of the effective Cooper pairs allows exploration of the full dynamical phase diagram of the BCS model, as a function of system parameters and the prepared initial state. Our proposal paves the way for the study of non-equilibrium features of quantum magnetism and superconductivity by harnessing atom-light interactions in cold atomic gases.

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  • This paper contributes to the Superconducting Qubits research area in the Quantum Articles archive.
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  • We propose to simulate dynamical phases of a BCS superconductor using an ensemble of cold atoms trapped in an optical cavity.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2011.13007 [2] arXiv https://arxiv.org/abs/2011.13007 [3] Publisher https://arxiv.org/abs/2011.13007

Local Citation Graph (Related-Paper Links)

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