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Observation of a Metallic Superfluid in a Numerical Experiment

E. Smørgrav, E. Babaev, J. Smiseth, and A. Sudbø
Phys. Rev. Lett. 95, 135301 – Published 23 September 2005
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Abstract

We report the observation, in Monte Carlo simulations, of a novel type of quantum ordered state: the metallic superfluid. The metallic superfluid features Ohmic resistance to counterflows of protons and electrons, while featuring dissipationless coflows of electrons and protons. One of the candidates for a physical realization of this remarkable state of matter is hydrogen or its isotopes under high compression. This adds another potential candidate to the presently known quantum dissipationless states, namely, superconductors, superfluid liquids and vapors, and supersolids.

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  • Received 8 June 2005

DOI:https://doi.org/10.1103/PhysRevLett.95.135301

©2005 American Physical Society

Authors & Affiliations

E. Smørgrav1, E. Babaev2,1, J. Smiseth1, and A. Sudbø1

  • 1Department of Physics, Norwegian University of Science and Technology, N-7491 Trondheim, Norway
  • 2Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, New York 14853-2501, USA

See Also

Two Quantum States for the Price of One

David Lindley
Phys. Rev. Focus 16, 11 (2005)

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Issue

Vol. 95, Iss. 13 — 23 September 2005

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