13 citations · 41 across the 5 of their papers we have counts for
5 papers
Magnetism of quantum dot clusters: A Hubbard model study
J. -P. Nikkarila, M. Koskinen, M. Manninen
Magnetic properties of two and three-dimensional clusters of quantum dots are studied with exact diagonalization of a generalized Hubbard model. We study the weak coupling limit, w…
Magnetic phases of one-dimensional lattices with 2 to 4 fermions per site
J. -P. Nikkarila, M. Koskinen, S. M. Reimann +1
We study the spectral and magnetic properties of one-dimensional lattices filled with 2 to 4 fermions (with spin 1/2) per lattice site. We use a generalized Hubbard model that take…
Localization of particles in harmonic confinement: Effect of the interparticle interaction
J. -P. Nikkarila, M. Manninen
We study the localization of particles rotating in a two-dimensional harmonic potential by solving their rotational spectrum using many-particle quantum mechanics and comparing the…
Spectral properties of rotating electrons in quantum dots and their relation to quantum Hall liquids
M. Koskinen, S. M. Reimann, J. -P. Nikkarila +1
The exact diagonalization technique is used to study many-particle properties of interacting electrons with spin, confined in a two-dimensional harmonic potential. The single-parti…
Rotating electrons in quantum dots: Quantum Hall liquid in the classical limit
J. -P. Nikkarila, M. Manninen
We solve the problem of a few electrons in a two-dimensional harmonic confinement using quantum mechanical exact diagonalization technique, on one hand, and classical mechanics, on…