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Quantum Simulation Entanglement Theory Quantum Correlations Open Quantum Systems Decoherence

Spontaneous and explicit parity-time-symmetry breaking in drift wave instabilities

arXiv
Authors: Hong Qin, Yichen Fu, Alexander S. Glasser, Asher Yahalom

Year

2020

Paper ID

19838

Status

Preprint

Abstract Read

~2 min

Abstract Words

87

Citations

N/A

Abstract

A method of Parity-Time (PT)-symmetry analysis is introduced to study the high dimensional, complicated parameter space of drift wave instabilities. We show that spontaneous PT-symmetry breaking leads to the Ion Temperature Gradient (ITG) instability of drift waves, and the collisional instability is the result of explicit PT-symmetry breaking. A new unstable drift wave induced by finite collisionality is identified. It is also found that gradients of ion temperature and density can destabilize the ion cyclotron waves when PT symmetry is explicitly broken by a finite collisionality.

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  • This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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  • A method of Parity-Time (PT)-symmetry analysis is introduced to study the high dimensional, complicated parameter space of drift wave instabilities.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2010.09620 [2] arXiv https://arxiv.org/abs/2010.09620 [3] Publisher https://arxiv.org/abs/2010.09620

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