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Superradiance-induced multistability in one-dimensional driven Rydberg lattice gases

He, Yunhui; Bai, Zhengyang; Jiao, Yuechun; Zhao, Jianming; Li, Weibin

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Authors

Yunhui He

Zhengyang Bai

Yuechun Jiao

Jianming Zhao

WEIBIN LI weibin.li@nottingham.ac.uk
Associate Professor



Abstract

We study steady-state phases of a one-dimensional array of Rydberg atoms coupled by a microwave (MW) field where the higher-energy Rydberg state decays to the lower-energy one via single-body and collective (superradiant) decay. Using mean-field approaches, we examine the interplay among the MW coupling, intrastate van der Waals (vdW) interaction, and single-body and collective dissipation between Rydberg states. A linear stability analysis reveals that a series of phases, including uniform, antiferromagnetic, oscillatory, and bistable and multistable phases can be obtained. Without the vdW interaction, only uniform phases are found. In the presence of the vdW interaction, multistable solutions are enhanced when increasing the strength of the superradiant decay rate. Our numerical simulations show that the bistable and multistable phases are stabilized by superradiance in a long chain. The critical point between the uniform and multistable phases and its scaling with the atom number is obtained. Through numerically solving the master equation of a finite chain, we show that the mean-field multistable phase could be characterized by expectation values of Rydberg populations and two-body correlations between Rydberg atoms in different sites.

Citation

He, Y., Bai, Z., Jiao, Y., Zhao, J., & Li, W. (2022). Superradiance-induced multistability in one-dimensional driven Rydberg lattice gases. Physical Review A, 106(6), Article 063319. https://doi.org/10.1103/PhysRevA.106.063319

Journal Article Type Article
Acceptance Date Dec 3, 2022
Online Publication Date Dec 27, 2022
Publication Date Dec 27, 2022
Deposit Date Dec 30, 2022
Publicly Available Date Jan 6, 2023
Journal Physical Review A
Print ISSN 2469-9926
Electronic ISSN 2469-9934
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 106
Issue 6
Article Number 063319
DOI https://doi.org/10.1103/PhysRevA.106.063319
Public URL https://nottingham-repository.worktribe.com/output/15436724
Publisher URL https://journals.aps.org/pra/abstract/10.1103/PhysRevA.106.063319

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