Coulomb blockade in quantum dots under ac pumping

D. M. Basko and V. E. Kravtsov
Phys. Rev. B 71, 085311 – Published 14 February 2005

Abstract

We study electron transport through a Coulomb blockaded quantum dot driven by an external periodic perturbation. The stationary state is determined by the balance between the heating of the dot electrons by the perturbation and cooling. We analyze two cooling mechanisms: electron exchange with the cold contacts and emission of phonons. Together with the usual linear Ohmic heating of the dot electrons we consider possible effects of dynamic localization. The combination of the abovementioned factors may result in a drastic change of the shape of the Coulomb blockade peak with respect to the usual equilibrium one.

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  • Received 21 June 2004

DOI:https://doi.org/10.1103/PhysRevB.71.085311

©2005 American Physical Society

Authors & Affiliations

D. M. Basko1,2,* and V. E. Kravtsov1,3

  • 1The Abdus Salam International Centre for Theoretical Physics, Strada Costiera 11, 34100 Trieste, Italy
  • 2Department of Physics, Princeton University, Princeton, New Jersey 08544, USA
  • 3Landau Institute for Theoretical Physics, 2 Kosygina Street, 117940 Moscow, Russia

  • *Electronic address: dbasko@princeton.edu

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Issue

Vol. 71, Iss. 8 — 15 February 2005

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