He4 Luttinger Liquid in Nanopores

Adrian Del Maestro, Massimo Boninsegni, and Ian Affleck
Phys. Rev. Lett. 106, 105303 – Published 11 March 2011

Abstract

We study the low-temperature properties of a He4 fluid confined in nanopores, using large-scale quantum Monte Carlo simulations with realistic He-He and He-pore interactions. In the narrow-pore limit, the system can be described by the quantum hydrodynamic theory known as Luttinger liquid theory with a large Luttinger parameter, corresponding to the dominance of solid tendencies and strong susceptibility to pinning by a periodic or random potential from the pore walls. On the other hand, for wider pores, the central region appears to behave like a Luttinger liquid with a smaller Luttinger parameter, and may be protected from pinning by the wall potential, offering the possibility of experimental detection of a Luttinger liquid.

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  • Received 14 January 2011

DOI:https://doi.org/10.1103/PhysRevLett.106.105303

© 2011 American Physical Society

Authors & Affiliations

Adrian Del Maestro1, Massimo Boninsegni2, and Ian Affleck3

  • 1Institute for Quantum Matter and Department of Physics and Astronomy, Johns Hopkins University, Baltimore, Maryland 21218, USA
  • 2Department of Physics, University of Alberta, Edmonton, Alberta, Canada, T6G 2J1
  • 3Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada

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Issue

Vol. 106, Iss. 10 — 11 March 2011

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