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14 papers · 1 filter
Rossby Wave Instability of Thin Accretion Disks - III. Nonlinear Simulations
H. Li, S. A. Colgate, B. Wendroff +1
(abridged) We study the nonlinear evolution of the Rossby wave instability in thin disks using global 2D hydrodynamic simulations. The key questions we are addressing in this paper…
Some remarks on Uq(sl(2,R)) at root of unity
P. Stovicek
We discuss a modification of Uq(sl(2,R)) and a class of its irreducible representations when q is a root of unity.
Geometrically induced spectrum in curved leaky wires
Pavel Exner, Takashi Ichinose
We study measure perturbations of the Laplacian in supported by an infinite curve in the plane which is asymptotically straight in a suitable sense. We show that if…
Bound states of infinite curved polymer chains
Pavel Exner
We investigate an infinite array of point interactions of the same strength in R^d, d=2,3, situated at vertices of a polygonal curve with a fixed edge length. We demonstrate that i…
Avoided crossings in mesoscopic systems: electron propagation on a non-uniform magnetic cylinder
Pavel Exner, Alain Joye
We consider an electron constrained to move on a surface with revolution symmetry in the presence of a constant magnetic field parallel to the surface axis. Depending on an…
Geometric phase related to point-interaction transport on a magnetic Lobachevsky plane
S. A. Albeverio, P. Exner, V. A. Geyler
We consider a charged quantum particle living in the Lobachevsky plane and interacting with a homogeneous magnetic field perpendicular to the plane and a point interaction which is…