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- Title
Dephasing in gapless carbon nanotubes and nanostrips and the suppression of interference in a quantum interferometer based on them.
- Authors
Miserev, D.; Entin, M.
- Abstract
The phonon dephasing of an electron in a finite carbon nanotube and a nanostrip with a gapless spectrum has been studied. It has been shown that its main mechanism is the interaction with soft phonons whose frequencies correspond to the phonon time of transmission through the nanotube. The derived formulas have been used to analyze the suppression of interference in an interferometer consisting of two nanotubes or nanostrips connecting two-dimensional electron seas. Dephasing because of zero-point and thermal vibrations has been considered.
- Subjects
NARROW gap semiconductors; CARBON nanotubes; QUANTUM mechanics; PHONONS; VIBRATION (Mechanics); ZERO-point field; THERMAL conductivity
- Publication
JETP Letters, 2014, Vol 99, Issue 7, p410
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364014070091