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


Reference:

Mendoza-Arenas, J. J., Clark, S. R., Felicetti, S., Romero, G., Solano, E., Angelakis, D. G. and Jaksch, D., 2016. Beyond mean-field bistability in driven-dissipative lattices:bunching-antibunching transition and quantum simulation. Physical Review A: Atomic, Molecular, and Optical Physics, 93 (2), 023821.

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http://dx.doi.org/10.1103/PhysRevA.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.

Details

Item Type Articles
CreatorsMendoza-Arenas, J. J., Clark, S. R., Felicetti, S., Romero, G., Solano, E., Angelakis, D. G. and Jaksch, D.
DOI10.1103/PhysRevA.93.023821
Related URLs
URLURL Type
http://www.scopus.com/inward/record.url?scp=84959528757&partnerID=8YFLogxKUNSPECIFIED
Uncontrolled Keywordsatomic and molecular physics, and optics
DepartmentsFaculty of Science > Physics
Research CentresCondensed Matter Physics CDT
RefereedYes
StatusPublished
ID Code49929

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