期刊
PHYSICAL REVIEW LETTERS
卷 91, 期 12, 页码 -出版社
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.91.126805
关键词
-
资金
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [0749220] Funding Source: National Science Foundation
We demonstrate that in a wide range of temperatures Coulomb drag between two weakly coupled quantum wires is dominated by processes with a small interwire momentum transfer. Such processes, not accounted for in the conventional Luttinger liquid theory, cause drag only because the electron dispersion relation is not linear. The corresponding contribution to the drag resistance scales with temperature as T-2 if the wires are identical, and as T-5 if the wires are different.
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