Microwave-induced forward scattering and Luttinger liquid interferences in magnetically confined quantum wires

A. Nogaret; J-C Portal; H. E. Beere; D. A. Ritchie; C. Phillips

doi:10.1063/1.3006392

Microwave-induced forward scattering and Luttinger liquid interferences in magnetically confined quantum wires

A. Nogaret, J-C Portal, H. E. Beere, D. A. Ritchie, C. Phillips

Department of Physics

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

We report on the photoresistance of a magnetic quantum wire obtained by applying a gradient of magnetic field to a two-dimensional electron gas. Electron transmission through the magnetic wire increases by an order of magnitude under microwave irradiation and exhibits frequency-dependent magneto-oscillations as a function of the in-plane magnetic field. Both results are fully consistent with microwave-coupled Luttinger liquid edge channels which interfere at two pinning sites in the fashion of a Mach-Zehnder interferometer.

Original language	English
Pages (from-to)	853-857
Number of pages	5
Journal	Low Temperature Physics
Volume	34
Issue number	10
DOIs	https://doi.org/10.1063/1.3006392
Publication status	Published - 2008

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abstract = "We report on the photoresistance of a magnetic quantum wire obtained by applying a gradient of magnetic field to a two-dimensional electron gas. Electron transmission through the magnetic wire increases by an order of magnitude under microwave irradiation and exhibits frequency-dependent magneto-oscillations as a function of the in-plane magnetic field. Both results are fully consistent with microwave-coupled Luttinger liquid edge channels which interfere at two pinning sites in the fashion of a Mach-Zehnder interferometer.",

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AU - Portal, J-C

AU - Beere, H. E.

AU - Ritchie, D. A.

AU - Phillips, C.

PY - 2008

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N2 - We report on the photoresistance of a magnetic quantum wire obtained by applying a gradient of magnetic field to a two-dimensional electron gas. Electron transmission through the magnetic wire increases by an order of magnitude under microwave irradiation and exhibits frequency-dependent magneto-oscillations as a function of the in-plane magnetic field. Both results are fully consistent with microwave-coupled Luttinger liquid edge channels which interfere at two pinning sites in the fashion of a Mach-Zehnder interferometer.

AB - We report on the photoresistance of a magnetic quantum wire obtained by applying a gradient of magnetic field to a two-dimensional electron gas. Electron transmission through the magnetic wire increases by an order of magnitude under microwave irradiation and exhibits frequency-dependent magneto-oscillations as a function of the in-plane magnetic field. Both results are fully consistent with microwave-coupled Luttinger liquid edge channels which interfere at two pinning sites in the fashion of a Mach-Zehnder interferometer.

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UR - http://dx.doi.org/10.1063/1.3006392

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DO - 10.1063/1.3006392

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