Suppression of electron relaxation and dephasing rates in quantum dots caused by external magnetic fields

Details Suppression of electron relaxation and dephasing rates in quantum dots caused by external magnetic fields Suppression of electron relaxation and dephasing rates in quantum dots caused by external magnetic fields

2009-10-09

arxiv.org/abs/0910.1696v1

J. Phys.: Condens. Matter 19 (2007) 186224

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

13 pages, 6 figures

Scientific paper

10.1088/0953-8984/19/18/186224

An external magnetic field has been applied in laterally coupled dots (QDs) and we have studied the QD properties related to charge decoherence. The significance of the applied magnetic field to the suppression of electron-phonon relaxation and dephasing rates has been explored. The coupled QDs have been studied by varing the magnetic field and the interdot distance as other system parameters. Our numerical results show that the electron scattering rates are strongly dependent on the applied external magnetic field and the details of the double QD configuration.

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