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Characterisation of spin-incoherent transport in one dimension

Hew, WK; Thomas, KJ; Pepper, M; Farrer, I; Anderson, D; Jones, GAC; Ritchie, DA; (2009) Characterisation of spin-incoherent transport in one dimension. In: Kes, P and Jochemsen, R, (eds.) 25TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT25), PART 3. (pp. ? - ?). IOP PUBLISHING LTD Green and gold open access

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Abstract

Spin-incoherent transport in quantum wires, whereby exchange coupling between neighbouring electrons is overcome by thermal energy, leading to the suppression of spin modes of transport expected in a Luttinger liquid, has been observed in the form of a conductance plateau at e(2)/h in the absence of a magnetic field. We present here further characterisation of this spin-incoherent plateau in a source-drain bias, which causes it to evolves to 0.85 x 2e(2)/h. Laterally shifting the channel and illuminating the sample allows us to verify its origin.

Type:Proceedings paper
Title:Characterisation of spin-incoherent transport in one dimension
Event:25th International Conference on Low Temperature Physics (LT25)
Location:Leiden Inst Phys, Kamerlingh Onnes Lab, Amsterdam, NETHERLANDS
Dates:2008-08-06 - 2008-08-13
Open access status:An open access publication. A version is also available from UCL Discovery.
DOI:10.1088/1742-6596/150/3/032029
Additional information:This work is licensed under the terms of the Creative Commons Attribution (CC BY) licence (http://www.creativecommons.org/licenses/by/3.0) and to make any other use which IOP may choose world-wide, by all means, media and formats, whether known or unknown at the date of submission, to the conference organizer.
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Electronic and Electrical Engineering

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