Nonlinear Transport and Current Fluctuation in an AB Ring with a Quantum Dot

Junko Takahashi; Shuichi Tasaki

arxiv: cond-mat/0410276 · v1 · pith:MTQJEINDnew · submitted 2004-10-12 · ❄️ cond-mat.mes-hall

Nonlinear Transport and Current Fluctuation in an AB Ring with a Quantum Dot

Junko Takahashi , Shuichi Tasaki This is my paper

classification ❄️ cond-mat.mes-hall

keywords currentquantumringaharonov-bohmasymptoticbiasconstructeddepend

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Nonequilibrium steady states are explicitly constructed for a noninteracting electron model of an Aharonov-Bohm (AB) ring with a quantum dot (QD) with the aid of asymptotic fields. The Fano line shapes and AB oscillations are shown to strongly depend on the bias voltage. Current fluctuations are studied as well.

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Nonlinear Transport and Current Fluctuation in an AB Ring with a Quantum Dot

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