Chirality in Coulomb-blockaded quantum dots

David Sanchez; Markus Buttiker

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Chirality in Coulomb-blockaded quantum dots

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arxiv cond-mat/0510316 v1 pith:QOTNBEL2 submitted 2005-10-12 cond-mat.mes-hall

Chirality in Coulomb-blockaded quantum dots

David Sanchez , Markus Buttiker This is my paper

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keywords chiralitycoulomb-blockadedfieldmagneticquantumappliedarisesasymmetry

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We investigate the two-terminal nonlinear conductance of a Coulomb-blockaded quantum dot attached to chiral edge states. Reversal of the applied magnetic field inverts the system chirality and leads to a different polarization charge. As a result, the current--voltage characteristic is not an even function of the magnetic field. We show that the corresponding magnetic-field asymmetry arises from single-charge effects and vanishes in the limit of high temperature.

Chirality in Coulomb-blockaded quantum dots

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