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Effect of the boundary roughness on the conductance of double quantum wire in a magnetic field
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- Arapan, Sergiu (author)
- Uppsala universitet,Fysiska institutionen,Fysik IV
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- Korepov, Sveatoslav (author)
- Uppsala universitet,Fysiska institutionen,Fysik IV
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- Liberman, Michael (author)
- Uppsala universitet,Fysiska institutionen,Fysik IV
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- (creator_code:org_t)
- 2003
- 2003
- English.
- In: EUROPHYSICS LETTERS. ; 64, s. 239-245
- Research review (pop. science, debate, etc.)
Abstract
Subject headings
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- We investigate the effect of the boundary roughness scattering on the conductance of a disordered tunnel-coupled quantum wire in the presence of a magnetic field. It is shown that the average distance between the neighboring discontinuities of the boundary profile plays an important role in the transport properties of the system and the manifestation of the localization-delocalization effect. Present studies point out a new effect consisting in thedecrease of the conductance with the increase of the disorder correlation length.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- General theory scattering mechanisms
- Quantum wires
- Weak or Anderson localization.
- Mesoscopic physics
- Mesoskopisk fysik
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