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On the nature of ferromagnetism in diluted magnetic semiconductors: GaAs:Mn, GaP:Mn
V. A. Ivanov, P. M. Krstajic, F. M. Peeters +2
A microscopic Hamiltonian for interacting manganese impurities in diluted magnetic semiconductors (DMS) is derived. It is shown that in p -type III-V DMS the indirect exchange betw…
Longitudinal spin transport in diluted magnetic semiconductor superlattices: the effect of the giant Zeeman splitting
Kai Chang, J. B. Xia, F. M. Peeters
Longitudinal spin transport in diluted magnetic semiconductor superlattices is investigated theoretically. The longitudinal magnetoconductivity (MC) in such systems exhibits an osc…
Snake orbits and related magnetic edge states
J. Reijniers, F. M. Peeters
We study the electron motion near magnetic field steps at which the strength and/or sign of the magnetic field changes. The energy spectrum for such systems is found and the electr…
Ground-state energy of confined charged bosons in two dimensions
A. Gonzalez, B. Partoens, A. Matulis +1
The Pade approximant technique and the variational Monte Carlo method are applied to determine the ground-state energy of a finite number of charged bosons in two dimensions confin…
Classical artificial two-dimensional atoms: the Thomson model
B. Partoens, F. M. Peeters
The ring configurations for classical two-dimensional atoms are calculated within the Thomson model and compared with the results from `exact' numerical simulations. The influence…
Electron capture in GaAs quantum wells via electron-electron and optic phonon scattering
K. Kalna, M. Mosko, F. M. Peeters
Electron capture times in a separate confinement quantum well (QW) structure with finite electron density are calculated for electron-electron (e-e) and electron-polar optic phonon…
Magnetotransport in a pseudomorphic GaAs/GaInAs/GaAlAs heterostructure with a Si delta-doping layer
M. van der Burgt, V. C. Karavolas, F. M. Peeters +6
Magnetotransport properties of a pseudomorphic GaAs/Ga0.8In0.2As/Ga0.75Al0.25As heterostructure are investigated in pulsed magnetic fields up to 50 T and at temperatures of T=1.4 K…
Spectral properties of charged particles in a classical finite two-dimensional system
V. A. Schweigert, F. M. Peeters
We present a study of the spectral properties like the energy spectrum, the eigenmodes and density of states of a classical finite system of two-dimensional (2D) charged particles…