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46 papers · 1 filter
Model of a quantum particle in spacetime
Jan Naudts, Maciej Kuna
Doplicher, Fredenhagen, and Roberts (1994, 1995) proposed a simple model of a particle in quantum spacetime. We give a new formulation of the model and propose some small changes a…
Microscopic theory of quadrupolar ordering in TmTe
A. V. Nikolaev, K. H. Michel
We have calculated the crystal electric field of TmTe (T>T_Q) and have obtained that the ground state of a Tm 4f hole is the doublet in agreement with Mossbauer experiments.…
Smooth Character Varieties for Torus Knot Groups
Jan Adriaenssens, Raf Bocklandt, Geert Van de Weyer
Semisimple representations of the free product Z_p*Z_q determine θ-semistable representations of a specific quiver Q_pq. The dimension vectors of θ-stable representations of this q…
Strong enhancement of superconductivity in a nanosized Pb bridge
V. R. Misko, V. M. Fomin, J. T. Devreese
In recent experiments with a superconducting nanosized Pb bridge formed between a scanning tunneling microscope tip and a substrate, superconductivity has been detected at magnetic…
Non-homogeneous magnetic field induced magnetic edge states and their transport in a quantum wire
S. M. Badalyan, F. M. Peeters
The spectrum of magnetic edge states and their transport properties in the presence of a perpendicular non-homogeneous magnetic field in a quantum wire formed by a parabolic confin…
Vortex charge in mesoscopic superconductors
S. V. Yampolskii, B. J. Baelus, F. M. Peeters +1
The electric charge density in mesoscopic superconductors with circular symmetry, i.e. disks and cylinders, is studied within the phenomenological Ginzburg-Landau approach. We foun…