40 citations · 90 across the 6 of their papers we have counts for
4 papers · 1 filter
The Spectral Asymptotics of the Two-Dimensional Schrödinger operator with a Strong Magnetic Field
Jochen Bruening, Sergey Dobrokhotov, Konstantin Pankrashkin
We consider the spectral problem for the two-dimensional Schrödinger operator for a charged particle in strong uniform magnetic and periodic electric fields. The related classical…
On-diagonal singularities of the Green functions for Schroedinger operators
Jochen Bruening, Vladimir Geyler, Konstantin Pankrashkin
We investigate the behavior of the Green functions of Schroedinger operators near the diagonal. The only non-trivial cases, where the on-diagonal singularities are non-zero and do…
Spectral properties of a short-range impurity in a quantum dot
J. Bruening, V. Geyler, I. Lobanov
The spectral properties of the quantum mechanical system consisting of a quantum dot with a short-range attractive impurity inside the dot are investigated in the zero-range limit.…
Large gaps in point-coupled periodic systems of manifolds
J. Bruening, P. Exner, V. A. Geyler
We study a free quantum motion on periodically structured manifolds composed of elementary two-dimensional "cells" connected either by linear segments or through points where the t…