Edge electron states for quasi-one-dimensional organic conductors in the magnetic-field-induced spin-density-wave phases

Details Edge electron states for quasi-one-dimensional organic conductors in the magnetic-field-induced spin-density-wave phases Edge electron states for quasi-one-dimensional organic conductors in the magnetic-field-induced spin-density-wave phases

2000-06-03

arxiv.org/abs/cond-mat/0006050v2

Phys. Rev. Lett. 86, 1094 (2001)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 2 figures. V.2: Minor changes to the final version published in PRL

Scientific paper

10.1103/PhysRevLett.86.1094

We develop a microscopic picture of the electron states localized at the edges perpendicular to the chains in the Bechgaard salts in the quantum Hall regime. In a magnetic-field-induced spin-density-wave state (FISDW) characterized by an integer N, there exist N branches of chiral gapless edge excitations. Localization length is much longer and velocity much lower for these states than for the edge states parallel to the chains. We calculate the contribution of these states to the specific heat and propose a time-of-flight experiment to probe the propagating edge modes directly.

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