Quantum Rabi model in a superfluid Bose-Einstein condensate

S. Felicetti, G. Romero, E. Solano, and C. Sabín
Phys. Rev. A 96, 033839 – Published 22 September 2017

Abstract

We propose a quantum simulation of the quantum Rabi model in an atomic quantum dot, which is a single atom in a tight optical trap coupled to the quasiparticle modes of a superfluid Bose-Einstein condensate. This widely tunable setup allows us to simulate the ultrastrong coupling regime of light-matter interaction in a system which enjoys an amenable characteristic time scale, paving the way for an experimental analysis of the transition between the Jaynes-Cummings and the quantum Rabi dynamics using cold-atom systems. Our scheme can be naturally extended to simulate multiqubit quantum Rabi models. In particular, we discuss the appearance of effective two-qubit interactions due to phononic exchange, among other features.

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  • Received 27 June 2017

DOI:https://doi.org/10.1103/PhysRevA.96.033839

©2017 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

S. Felicetti1, G. Romero2, E. Solano3,4, and C. Sabín5

  • 1Laboratoire Matériaux et Phénomènes Quantiques, Sorbonne Paris Cité, Université Paris Diderot, CNRS UMR 7162, 75013 Paris, France
  • 2Departamento de Física, Universidad de Santiago de Chile (USACH), Avenida Ecuador 3493, 9170124 Santiago, Chile
  • 3Department of Physical Chemistry, University of the Basque Country UPV/EHU, Apartado 644, E-48080 Bilbao, Spain
  • 4IKERBASQUE, Basque Foundation for Science, Maria Diaz de Haro 3, 48013 Bilbao, Spain
  • 5Instituto de Física Fundamental, CSIC, Serrano 113-bis, 28006 Madrid, Spain

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Issue

Vol. 96, Iss. 3 — September 2017

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