A new quantum phase between the Fermi glass and the Wigner crystal in two dimensions

Details A new quantum phase between the Fermi glass and the Wigner crystal in two dimensions A new quantum phase between the Fermi glass and the Wigner crystal in two dimensions

1999-04-07

arxiv.org/abs/cond-mat/9904096v1

Phys. Rev. Lett. 83, 1826 (1999)

Physics

Condensed Matter

revtex, 4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.83.1826

For intermediate Coulomb energy to Fermi energy ratios $r_s$, spinless fermions in a random potential form a new quantum phase which is nor a Fermi glass, neither a Wigner crystal. Studying small clusters, we show that this phase gives rise to an ordered flow of enhanced persistent currents, for disorder strength and ratios $r_s$ where a metallic phase has been recently observed in two dimensions.

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