Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
1997-04-02
Phys. Rev. B 55,2512-22(1997)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
12 pages, Latex
Scientific paper
10.1103/PhysRevB.55.2512
The persistent Hall voltage and current in an isolated annulus in a strong perpendicular magnetic field, at odd inverse filling factor, and in the presence of a weak constriction is obtained as a function of temperature, and flux piercing the annulus. A thermodynamic Hall conductance is found which has a universal value even with back scattering at the constriction. Included are detailed appendices on the bosonization of chiral soliton operators and the derivation of the chiral action, which has an additional topological term originating from the dynamics of the zero modes.
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