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Quantum Many-Body Dynamics of Driven-Dissipative Rydberg Polaritons.

Tim Pistorius1, Javad Kazemi1, Hendrik Weimer1

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|January 15, 2021
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Summary
This summary is machine-generated.

We investigated Rydberg polariton transport in an optical lattice, finding strong photon antibunching despite decay losses. This demonstrates robust quantum correlations in driven-dissipative systems.

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Area of Science:

  • Quantum optics
  • Condensed matter physics
  • Atomic physics

Background:

  • Rydberg polaritons offer a unique platform for studying strongly interacting quantum phenomena.
  • Optical lattices provide a controllable environment for simulating condensed matter systems.

Purpose of the Study:

  • To model the propagation of strongly interacting Rydberg polaritons in a 1D optical lattice.
  • To analyze the driven-dissipative transport and quantum correlations of these polaritons.

Main Methods:

  • Derivation of an effective single-band Hubbard model for dark-state polariton dynamics.
  • Analysis of driven-dissipative transport with coherent drive and spontaneous emission.
  • Application of a variational approach to solve the many-body problem.

Main Results:

  • The derived Hubbard model effectively describes polariton dynamics.
  • Strong photon antibunching was observed in the outgoing photons.
  • This antibunching persists even in the presence of Rydberg state decay (losses).

Conclusions:

  • The study demonstrates the feasibility of observing strong quantum correlations in driven-dissipative Rydberg polariton systems.
  • The results highlight the robustness of quantum phenomena like antibunching against environmental losses.
  • The developed theoretical model provides a valuable tool for future investigations of similar quantum systems.