Universal vortex formation in rotating traps with bosons and fermions
M Toreblad, M Borgh, M Koskinen, M Manninen… - Physical review …, 2004 - APS
We show that the rotation of trapped quantum mechanical particles with a repulsive
interaction can lead to vortex formation, irrespective of whether the particles are bosons or …
interaction can lead to vortex formation, irrespective of whether the particles are bosons or …
Intermediate low spin states in a few-electron quantum dot in the regime
Y Nishi, PA Maksym, DG Austing, T Hatano… - Physical Review B …, 2006 - APS
We study the effects of electron-electron interactions in a circular few-electron vertical
quantum dot in such a strong magnetic field that the filling factor ν⩽ 1. We measure …
quantum dot in such a strong magnetic field that the filling factor ν⩽ 1. We measure …
Fractional quantum Hall effect in the second Landau level: The importance of inter-composite-fermion interaction
C Töke, MR Peterson, GS Jeon, JK Jain - Physical Review B—Condensed …, 2005 - APS
Exact diagonalization of a two-dimensional electron gas in a strong magnetic field in the disk
geometry shows that there exists a filling-factor range in the second Landau level where the …
geometry shows that there exists a filling-factor range in the second Landau level where the …
Quantum phases in artificial molecules
The few-particle state of carriers confined in a quantum dot is controlled by the balance
between their kinetic energy and their Coulomb correlation. In coupled quantum dots, both …
between their kinetic energy and their Coulomb correlation. In coupled quantum dots, both …
Quantum-dot lithium in the strong-interaction regime: Depolarization of electron spins by a magnetic field
SA Mikhailov, NA Savostianova - Physical Review B, 2002 - APS
A magnetic field usually leads to polarization of electron spins. It is shown that in a system of
strongly interacting particles applying a magnetic field may lead to the opposite effect …
strongly interacting particles applying a magnetic field may lead to the opposite effect …
Spin blockade in single and double quantum dots in magnetic fields: a correlation effect
The total spin of correlated electrons in a quantum dot changes with magnetic field and this
effect is generally linked to the change in the total angular momentum from one magic …
effect is generally linked to the change in the total angular momentum from one magic …
Few-anyon systems in a parabolic dot
R Perez, A Gonzalez - Physical Review B, 1998 - APS
The energy levels of two and three anyons in a two-dimensional parabolic quantum dot and
a perpendicular magnetic field are computed as power series in 1/| J|, where J is the angular …
a perpendicular magnetic field are computed as power series in 1/| J|, where J is the angular …
Unified microscopic approach to the interplay of pinned-Wigner-solid and liquid behavior of the lowest Landau-level states in the neighborhood of
C Yannouleas, U Landman - Physical Review B—Condensed Matter and …, 2011 - APS
Recently observed microwave resonances in the spectrum of a two-dimensional electon gas
under high magnetic fields in the neighborhood of the fractional filling ν= 1/3 were …
under high magnetic fields in the neighborhood of the fractional filling ν= 1/3 were …
Wigner crystallization in the two electron quantum dot
A Matulis, FM Peeters - Solid state communications, 2001 - Elsevier
Wigner crystallization can be induced in a quantum dot by increasing the effective electron–
electron interaction through a decrease of the electron density or by the application of a …
electron interaction through a decrease of the electron density or by the application of a …
Exchange interaction in quantum rings and wires in the Wigner-crystal limit
MM Fogler, E Pivovarov - Physical Review B—Condensed Matter and …, 2005 - APS
We present a controlled method for computing the exchange coupling in correlated one-
dimensional electron systems based on the relation between the exchange constant and the …
dimensional electron systems based on the relation between the exchange constant and the …