期刊
PHYSICAL REVIEW A
卷 97, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.97.053616
关键词
-
资金
- EPSRC [EP/K030094/1, EP/P009565/1]
- EPSRC [EP/P009565/1, EP/K030094/1] Funding Source: UKRI
We study an array of two-level systems arranged on a lattice and illuminated by an external plane wave which drives a dipolar transition between the two energy levels. In this setup, the two-level systems are coupled by dipolar interactions and subject to nonlocal dissipation, and so behave as an open many-body quantum system. We investigate the long-time dynamics of the system at the mean-field level and use this to determine a phase diagram as a function of external drive and detuning. We find a multitude of phases including antiferromagnetism, spin density waves, oscillations, and phase bistabilities. We investigate these phases in more detail and explain how nonlocal dissipation plays a role in the long-time dynamics. Furthermore, we discuss what features would survive in the full quantum description.
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