| Issue |
Europhys. Lett.
Volume 57, Number 3, February 2002
|
|
|---|---|---|
| Page(s) | 409 - 415 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2002-00476-x | |
| Published online | 01 September 2002 | |
Interaction-enhanced interference effects in a Luttinger liquid
1
Department of Applied Physics, Chalmers University of
Technology and Göteborg University - SE-412 96 Göteborg,
Sweden
2
B. I. Verkin Institute for Low Temperature Physics and
Engineering 47 Lenin Avenue, 310164 Kharkov, Ukraine
Received:
8
June
2001
Accepted:
13
November
2001
Microwave-induced interchannel electron transitions in a Luttinger
liquid irradiated by an ac electromagnetic field are considered. It
is shown that oscillations in the power absorption caused by the
interference of charge transport along the two channels are
controlled by the effective coupling strength
, which strongly
depends on the difference between the Fermi velocities
in the channels. Interactions always
enhance the interference effects induced by forward-scattering
interchannel electron transitions. A novel regime of the
statistical behavior of the fluctuations in power absorption is
predicted.
PACS: 71.10.Pm – Fermions in reduced dimensions (anyons, composite fermions, Luttinger liquid, etc.) / 71.27.+a – Strongly correlated electron systems; heavy fermions / 85.35.Ds – Quantum interference devices
© EDP Sciences, 2002
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