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D'yakonov-Perel' spin relaxation in InSb/AlInSb quantum wells
Jun Li, Kai Chang, F. M. Peeters
We investigate theoretically the D'yakonov-Perel' spin relaxation time by solving the eight-band Kane model and Poisson equation self-consistently. Our results show distinct behavi…
Confinement effects on intermediate state flux patterns in mesoscopic type-I superconductors
G. R. Berdiyorov, A. D. Hernandez, F. M. Peeters
Intermediate state (IS) flux structures in mesoscopic type-I superconductors are investigated within the Ginzburg-Landau theory. In addition to well-established tubular and laminar…
Superconducting nanowires: quantum confinement and spatially dependent Hartree-Fock potential
Yajiang Chen, M. D. Croitoru, A. A. Shanenko +1
It is well-known that in bulk, the solution of the Bogoliubov-de Gennes equations is the same whether or not the Hartree-Fock term is included. Here the Hartree-Fock potential is p…
Giant Variations of Cooper-Pair Size in Nanoscale Superconductors
A. A. Shanenko, M. D. Croitoru, A. Vagov +1
The Cooper-pair size (i.e., the BCS coherence length) in low-dimensional superconductors is dramatically modified by quantum-size effects. In particular, for nanowires made of conv…
Transport Detection of Quantum Hall Fluctuations in Graphene
Simon Branchaud, Alicia Kam, Piotr Zawadzki +2
Low temperature magnetoconductance measurements were made in the vicinity of the charge neutrality point. Two origins for the fluctuations were identified close to the CNP. At very…
Many-body effects in the cyclotron resonance of a magnetic dot
Nga T. T. Nguyen, F. M. Peeters
Intraband cyclotron resonance (CR) transitions of a two-electron quantum dot containing a single magnetic ion is investigated for different Coulomb interaction strengths and differ…