Enhancement of Wigner crystallization in multiple-quantum-well structures

L. Świerkowski, D. Neilson, and J. Szymański
Phys. Rev. Lett. 67, 240 – Published 8 July 1991
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Abstract

We show that the density for Wigner crystallization to occur for the two-dimensional electron liquid in zero magnetic field can be increased in suitable multiple-quantum-well structures. Data from Monte Carlo calculations are used to determine the properties of each layer in isolation, and the layers interact through Coulomb forces. With this mechanism the maximum solidification density can be raised by as much as a factor of 3. At higher densities, charge-density-wave ground states can occur.

  • Received 28 March 1991

DOI:https://doi.org/10.1103/PhysRevLett.67.240

©1991 American Physical Society

Authors & Affiliations

L. Świerkowski and D. Neilson

  • School of Physics, University of New South Wales, Kensington 2033, Sydney, Australia

J. Szymański

  • Telecom Australia Research Laboratories, 770 Blackburn Road, Clayton, Victoria 3168, Australia

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Vol. 67, Iss. 2 — 8 July 1991

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