Conductance of interacting Aharonov-Bohm systems

Details Conductance of interacting Aharonov-Bohm systems Conductance of interacting Aharonov-Bohm systems

2003-03-13

arxiv.org/abs/cond-mat/0303258v3

Phys. Rev. B 68, 033306 (2003)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 5 figures; to appear in Phys. Rev. B

Scientific paper

10.1103/PhysRevB.68.033306

A simple formula for the zero-temperature linear response conductance of an interacting mesoscopic region, threaded by magnetic flux, and attached to noninteracting single-channel leads is presented. The formula is valid for a general interacting system exhibiting Fermi liquid properties. As an example of the efficiency of the formula the results for the conductance of a simple Aharonov-Bohm ring with Kondo-Fano resonance physics are presented and compared with numerical renormalization group results.

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