2-5 February 2016
Australia/Melbourne timezone

Mechanism of enhancement of the electron g-factor in quantum point contacts

Not scheduled


Prof. Oleg Sushkov (University of New South Wales)


The electron g-factor measured in a quantum point contact by source-drain bias spectroscopy is significantly larger than its value in a two-dimensional electron gas. This enhancement, established experimentally in numerous studies, is an outstanding puzzle. In the present work we explain the mechanism of this enhancement in a theory accounting for the electron-electron interactions. We show that the effect relies crucially on the non-equilibrium nature of the spectroscopy at finite bias.

Primary author

Mr Gregoire Vionnet (Institute of Theoretical Physics, Ecole Polytechnique F\'ed\'erale de Lausanne (EPFL), 1015 Lausanne, Switzerland)


Prof. Oleg Sushkov (University of New South Wales)

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