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Strongly Coupled Plasmas via Rydberg Blockade of Cold Atoms

G. Bannasch1, T. C. Killian2, and T. Pohl1

  • 1Max Planck Institute for the Physics of Complex Systems, D-01187 Dresden, Germany
  • 2Rice University, Department of Physics and Astronomy and Rice Quantum Institute, Houston, Texas 77251, USA

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Phys. Rev. Lett. 110, 253003 – Published 18 June, 2013

DOI: https://doi.org/10.1103/PhysRevLett.110.253003

Abstract

We propose and analyze a new scheme to produce ultracold neutral plasmas deep in the strongly coupled regime. The method exploits the interaction blockade between cold atoms excited to high-lying Rydberg states and therefore does not require substantial extensions of current ultracold plasma experiments. Extensive simulations reveal a universal behavior of the resulting Coulomb coupling parameter, providing a direct connection between the physics of strongly correlated Rydberg gases and ultracold plasmas. The approach is shown to reduce currently accessible temperatures by more than an order of magnitude, which opens up a new regime for ultracold plasma research and cold ion-beam applications with readily available experimental techniques.

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Phys. Rev. Lett. 110, 253003– Published 18 June, 2013
  • Received 29 January 2013
Article part of CHORUS

© 2013 American Physical Society

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