Manipulating the Tomonaga-Luttinger exponent by electric field modulation

H. Shima (), S. Ono and H. Yoshioka

The European Physical Journal B: Condensed Matter and Complex Systems, 2010, vol. 78, issue 4, 481-488

Abstract: We establish a theoretical framework for artificial control of the power-law singularities in Tomonaga-Luttinger liquid states. The exponent governing the power-law behaviors is found to increase significantly with an increase in the amplitude of spatially periodic electrostatic field applied to the system. This field-induced shift in the exponent indicates the tunability of the transport properties of quasi-one-dimensional electron systems. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2010

Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:spr:eurphb:v:78:y:2010:i:4:p:481-488

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DOI: 10.1140/epjb/e2010-10698-2

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