Photon-induced vanishing of magnetoconductance in 2D electrons on liquid He

Details Photon-induced vanishing of magnetoconductance in 2D electrons on liquid He Photon-induced vanishing of magnetoconductance in 2D electrons on liquid He

2010-06-02

arxiv.org/abs/1006.0349v2

Phys. Rev. Lett. 105, 226801 (2010)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 5 figures

Scientific paper

10.1103/PhysRevLett.105.226801

We report on a novel transport phenomenon realized by optical pumping in surface state electrons on helium subjected to perpendicular magnetic fields. The electron dynamics is governed by the photon-induced excitation and scattering-mediated transitions between electric subbands. In a range of magnetic fields, we observe vanishing longitudinal conductivity sigma_xx. Our result suggests the existence of radiation-induced zero-resistance states in the nondegenerate 2D electron system.

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