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Quantum Physics

arXiv:1806.02394 (quant-ph)
[Submitted on 6 Jun 2018 (v1), last revised 30 Sep 2018 (this version, v2)]

Title:Variational Renormalization Group for Dissipative Spin-Cavity Systems: Periodic Pulses of Nonclassical Photons from Mesoscopic Spin Ensembles

Authors:Himadri Shekhar Dhar, Matthias Zens, Dmitry O. Krimer, Stefan Rotter
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Abstract:Mesoscopic spin ensembles coupled to a cavity offer the exciting prospect of observing complex nonclassical phenomena that pool the microscopic features from a few spins with those of macroscopic spin ensembles. Here, we demonstrate how the collective interactions in an ensemble of as many as hundred spins can be harnessed to obtain a periodic pulse train of nonclassical light. To unravel the full quantum dynamics and photon statistics, we develop a time-adaptive variational renormalization group method that accurately captures the underlying Lindbladian dynamics of the mesoscopic spin-cavity system.
Comments: 15 pages, 4 figures, REVTeX 4.1. Accepted version; includes Supplemental Material
Subjects: Quantum Physics (quant-ph); Mesoscale and Nanoscale Physics (cond-mat.mes-hall); Strongly Correlated Electrons (cond-mat.str-el); Atomic Physics (physics.atom-ph)
Cite as: arXiv:1806.02394 [quant-ph]
  (or arXiv:1806.02394v2 [quant-ph] for this version)
  https://doi.org/10.48550/arXiv.1806.02394
Journal reference: Phys. Rev. Lett. 121, 133601 (2018)
Related DOI: https://doi.org/10.1103/PhysRevLett.121.133601

Submission history

From: Himadri Shekhar Dhar [view email]
[v1] Wed, 6 Jun 2018 19:23:39 UTC (1,535 KB)
[v2] Sun, 30 Sep 2018 16:09:29 UTC (1,533 KB)
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