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Beyond mean-field bistability in driven-dissipative lattices: bunching-antibunching transition and quantum simulation

Mendoza-Arenas, JJ and Clark, SR and Felicetti, S and Romero, G and Solano, E and Angelakis, DG and Jaksch, D (2016) Beyond mean-field bistability in driven-dissipative lattices: bunching-antibunching transition and quantum simulation. Phys. Rev. A, 93. 023821 - ?.

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Abstract

In the present work we investigate the existence of multiple nonequilibrium steady states in a coherently driven XY lattice of dissipative two-level systems. A commonly used mean-field ansatz, in which spatial correlations are neglected, predicts a bistable behavior with a sharp shift between low- and high-density states. In contrast one-dimensional matrix product methods reveal these effects to be artifacts of the mean-field approach, with both disappearing once correlations are taken fully into account. Instead, a bunching-antibunching transition emerges. This indicates that alternative approaches should be considered for higher spatial dimensions, where classical simulations are currently infeasible. Thus we propose a circuit QED quantum simulator implementable with current technology to enable an experimental investigation of the model considered.

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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Mendoza-Arenas, JJ
Clark, SR
Felicetti, S
Romero, G
Solano, E
Angelakis, DG
Jaksch, D
Date: 2016
Journal or Publication Title: Phys. Rev. A
Volume: 93
Page Range: 023821 - ?
DOI or Unique Handle: 10.1103/physreva.93.023821
Schools and Programs: Swanson School of Engineering > Mechanical Engineering and Materials Science
Refereed: Yes
Uncontrolled Keywords: quant-ph, quant-ph, cond-mat.mes-hall, cond-mat.supr-con
Official URL: http://dx.doi.org/10.1103/PhysRevA.93.023821
Date Deposited: 20 Feb 2023 21:09
Last Modified: 21 Aug 2024 17:16
URI: http://d-scholarship.pitt.edu/id/eprint/44202

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