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Quench-induced nonequilibrium dynamics of spinor gases in a moving lattice

Z. N. Hardesty-Shaw1, Q. Guan2,3,4, J. O. Austin1, D. Blume2,3, R. J. Lewis-Swan2,3,*, and Y. Liu1,†

  • 1Department of Physics, Oklahoma State University, Stillwater, Oklahoma 74078, USA
  • 2Homer L. Dodge Department of Physics and Astronomy, The University of Oklahoma, Norman, Oklahoma 73019, USA
  • 3Center for Quantum Research and Technology, The University of Oklahoma, Norman, Oklahoma 73019, USA
  • 4Department of Physics and Astronomy, Washington State University, Pullman, Washington 99164, USA

  • *lewisswan@ou.edu
  • †yingmei.liu@okstate.edu
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Phys. Rev. A 107, 053311 – Published 16 May, 2023

DOI: https://doi.org/10.1103/PhysRevA.107.053311

Abstract

The isolation and control of disparate degrees of freedom underpins quantum simulators. We advance the programmability of cold atom quantum simulators with a realization of the dynamic coupling of spatial and spin degrees of freedom. We experimentally demonstrate that violent spatial evolutions tune long-lived coherent spin dynamics and develop a model of quantum spin mixing incorporating the spatial evolution via time-dependent spin-spin interactions. Our results may open new paths towards the simulation of quantum spin models with tunable interactions via tailored spatial dynamics.

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Phys. Rev. A 107, 053311– Published 16 May, 2023
  • Received 14 December 2022
  • Revised 10 April 2023
  • Accepted 21 April 2023
Article part of CHORUS
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