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Scientific article
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English

Effect of interactions on the admittance of ballistic wires

Published inEurophysics letters, vol. 42, no. 5, p. 535-540
Publication date1998
Abstract

A self-consistent theory of the admittance of a perfect ballistic, locally charge neutral wire is proposed. Compared to a non-interacting theory, screening effects drastically change the frequency behavior of the conductance. In the single-channel case the frequency dependence of the admittance is monotonic, while for two or more channels collective interchannel excitations lead to resonant structures in the admittance. The imaginary part of the admittance is typically positive, but can become negative near resonances.

Keywords
  • Condensed matter
Citation (ISO format)
BLANTER, Iaroslav, BUTTIKER, Markus. Effect of interactions on the admittance of ballistic wires. In: Europhysics letters, 1998, vol. 42, n° 5, p. 535–540. doi: 10.1209/epl/i1998-00284-x
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ISSN of the journal0295-5075
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