Research

Microwave induced forward scattering in a multi-channel magnetically confined quantum wire


Reference:

Nogaret, A., Portal, J. C., Beere, H. E., Ritchie, D. A. and Phillips, C., 2009. Microwave induced forward scattering in a multi-channel magnetically confined quantum wire. In: Caldas, M. J. and Studart, N., eds. Physics of Semiconductors. Vol. 1199. Melville: American Institute of Physics, pp. 345-346. (AIP Conference Proceedings)

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Official URL:

http://dx.doi.org/10.1063/1.3295444

Abstract

We report quantum interferences in a multi-channel Luttinger liquid coupled by a microwave field at two pinning sites where electrons experience forward scattering. We use a magnetic field to tune the phase difference between charge density waves propagating in each channel. The interferences give a field dependent transmission through the second pining site which we detect through oscillations in the magneto-resistance. Experimental data fit quantitatively the response of the Luttinger liquid confined by a spatially varying magnetic field and yield the distance between pining centres (11 mu m) as the only adjustment parameter.

Details

Item Type Book Sections
CreatorsNogaret, A., Portal, J. C., Beere, H. E., Ritchie, D. A. and Phillips, C.
EditorsCaldas, M. J.and Studart, N.
DOI10.1063/1.3295444
DepartmentsFaculty of Science > Physics
StatusPublished
ID Code21085
Additional Information29th International Conference on Physics of Semiconductors. 27 July - 1 August 2008. Rio de Janeiro, Brazil.

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