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Scientific article
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English

Interaction constants and dynamic conductance of a gated wire

Published inPhysical review letters, vol. 81, no. 9, p. 1925-1928
Publication date1998
Abstract

We show that the interaction constant governing the long-range electron-electron interaction in a quantum wire coupled to two reservoirs and capacitively coupled to a gate can be determined by a low-frequency measurement. We present a self-consistent, charge and current conserving, theory of the full conductance matrix. The collective excitation spectrum consists of plasma modes with a relaxation rate which increases with the interaction strength and is inversely proportional to the length of the wire.

Keywords
  • Condensed matter
Citation (ISO format)
BLANTER, Iaroslav, BUTTIKER, Markus, HEKKING, Frank W.J. Interaction constants and dynamic conductance of a gated wire. In: Physical review letters, 1998, vol. 81, n° 9, p. 1925–1928. doi: 10.1103/PhysRevLett.81.1925
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ISSN of the journal0031-9007
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