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Phys. Rev. B 74, 115121 (2006) [6 pages]

Multiple crossovers in interacting quantum wires

Abstract

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M. Kindermann and P. W. Brouwer
Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, New York 14853-2501, USA

Received 5 June 2006; published 26 September 2006

Westudy tunneling of electrons into and between interacting wires inthe spin-incoherent regime subject to a magnetic field. The tunnelingcurrents follow power laws of the applied voltage with exponentsthat depend on whether the electron spins at the relevantlength scales are polarized or disordered. The crossover length (orenergy) scale is exponential in the applied field. In afinite-size wire multiple crossovers can occur.

©2006 The American Physical Society

URL:	http://link.aps.org/doi/10.1103/PhysRevB.74.115121
DOI:	10.1103/PhysRevB.74.115121
PACS:	73.63.Nm; 71.10.Pm; 71.27.+a 73.63.Nm Quantum wires (electronic transport) 71.10.Pm Fermions in reduced dimensions (condensed matter) including anyons, composite fermions, Luttinger liquid, etc 71.27.+a Strongly correlated electron systems; heavy fermions YEAR: 2006
KEYWORDS:	quantum wires, tunnelling

REFERENCES (27)

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