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35 papers · 1 filter
Hartree-Fock Theory of Skyrmions in Quantum Hall Ferromagnets
H. A. Fertig, L. Brey, R. Cote +3
We report on a study of the charged-skyrmion or spin-texture excitations which occur in quantum Hall ferromagnets near odd Landau level filling factors. Particle-hole symmetry is u…
Classical Interactions for Tensionless Strings
Bjørn Jensen, Ulf Lindström
Using an ``action at a distance'' formulation we probe the possible classical interactions for tensionless strings, (the limit of the ordinary bosonic string.) We find $G_…
The Great Annihilator 1E1740.7-2942: Molecular cloud connection and coronal structure
O. Vilhu, D. Hannikainen, P. Muhli +4
Using 12CO and 13CO observations we present column density maps of the molecular cloud (V = -135 km/s) in the direction of 1E1740.7-2942. Hydrogen column densities of the cloud sca…
Manifest Duality in Born-Infeld Theory
Ingemar Bengtsson
Born-Infeld theory is formulated using an infinite set of gauge fields, along the lines of McClain, Wu and Yu. In this formulation electromagnetic duality is generated by a fully l…
The Amanda Experiment
P. O. Hulth, :, The AMANDA Collaboration
At the AMANDA South Pole site, four new holes were drilled to depths 2050 m to 2180 m and instrumented with 86 photomultipliers (PMTs) at depths 1520-2000 m. Of these PMTs 79 are w…
Bifractality of the Devil's staircase appearing in the Burgers equation with Brownian initial velocity
E. Aurell, U. Frisch, A. Noullez +1
It is shown that the inverse Lagrangian map for the solution of the Burgers equation (in the inviscid limit) with Brownian initial velocity presents a bifractality (phase transitio…