A new quantum phase between the Fermi glass and the Wigner crystal in two dimensions
Abstract
For intermediate Coulomb energy to Fermi energy ratios rs, 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 rs where a metallic phase has been recently observed in two dimensions.
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