Quantum point contacts in magnetic fields
β Scribed by Ando, T.
- Book ID
- 111691828
- Publisher
- The American Physical Society
- Year
- 1991
- Tongue
- English
- Weight
- 556 KB
- Volume
- 44
- Category
- Article
- ISSN
- 1098-0121
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π SIMILAR VOLUMES
We study the dependence of subband energies of a double quantum point contact on an external magnetic field applied in the transport direction. The comparison with experimental magnetotransport data allows us to identify the conditions for the modulation of anticrossing gaps and to map the subband s
We present the calculated and the measured data on charge transfer between two closely spaced point contacts inserted in a magnetic field parallel to the trigonal face of a bismuth single crystal. The problem has been analyzed with the geometry of a transverse electron focusing (TEF) experiment, and
## Abstract The experimental imaging of microscopic currents in twoβdimensional electron gas based systems has been recently realized exploiting an ingenious use of scanning microscope tips. By means of the Keldysh Green's function formalism in a tightβbinding framework, I study the electron transp