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Superconducting Wigner Vortex Molecule near a Magnetic Disk
M. V. Milosevic, F. M. Peeters
Within the non-linear Ginzburg-Landau (GL) theory, we investigate the vortex structure in a superconducting thin film with a ferromagnetic disk on top of it. Antivortices are stabi…
Structure and correlations in two-dimensional Coulomb confined classical artificial atoms
W. P. Ferreira, A. Matulis, G. A. Farias +1
The ordering of N equally charged particles (-e) moving in two dimensions and confined by a Coulomb potential, resulting from a displaced positive charge Ze is discussed. This is a…
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…
Magnetic Pinning of Vortices in a Superconducting Film: The (anti)vortex-magnetic dipole interaction energy in the London approximation
M. V. Milosevic, S. V. Yampolskii, F. M. Peeters
The interaction between a superconducting vortex or antivortex in a superconducting film and a magnetic dipole with in- or out-of-plane magnetization is investigated within the Lon…
Correlated few-particle states in artificial bipolar molecule
Egidijus Anisimovas, F. M. Peeters
We investigate the ground and excited states of a bipolar artificial molecule composed of two vertically coupled quantum dots containing different type of carriers -- electrons and…
Stable and metastable states in a superconducting "eight" loop in applied magnetic field
D. Y. Vodolazov, F. M. Peeters
The stable and metastable states of different configurations of a loop in the form of an eight is studied in the presence of a magnetic field. We find that for certain configuratio…