A new quantum phase in two dimensions

Details A new quantum phase in two dimensions A new quantum phase in two dimensions

1999-05-03

arxiv.org/abs/cond-mat/9905028v1

Physics

Condensed Matter

5 pages, Latex, uses moriond.sty (included), Contribution to the Proceedings of the Rencontres de Moriond 1999

Scientific paper

For intermediate Coulomb energy to Fermi energy ratios $r_s$, spinless fermions in a random potential form a new quantum phase which is different from the Fermi glass and the Wigner crystal. From a numerical study of small clusters, we show that this phase is characterized by an ordered flow of enhanced persistent currents and occurs for $r_s$ values where a metallic phase has been observed in two dimensions.

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