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24 papers · 1 filter
On the interaction of spin 3/2 particles
V. Pascalutsa
Lagrangian of a massive particle with spin 3/2 is considered in the Rarita-Schwinger formalism. We discuss implications of the contact- and the gauge-transformation on the physical…
Proximity and Josephson effects in superconductor - two dimensional electron gas planar junctions
A. F. Volkov, P. H. C. Magnée, B. J. van Wees +1
The DC Josephson effect is theoretically studied in a planar junction in which a two dimensional electron gas (2DEG) infinite in lateral directions is in contact with two supercond…
Extragalactic Large-Scale Structures behind the Southern Milky Way. - I. Redshifts Obtained at the SAAO in the Hydra/Antlia Extension
Renee C. Kraan-Korteweg, Tony P. Fairall, Chantal Balkowksi
Spectroscopic observations have been carried out for galaxies in the Milky Way with the 1.9 m telescope of the South African Astronomical Observatory (SAAO). The galaxies were sele…
The Calogero Model and the Virasoro Symmetry
E. Bergshoeff, M. Vasiliev
We construct new realizations of the Virasoro algebra inspired by the Calogero model. The Virasoro algebra we find acts as a kind of spectrum-generating algebra of the Calogero mod…
String Theory as a Constrained Topological Sigma Model
Pablo M. Llatas, Shibaji Roy
It has been argued by Ishikawa and Kato that by making use of a specific bosonization, string theory can be regarded as a constrained topological sigma model. We generalize…
Duality Versus Supersymmetry and Compactification
E. Bergshoeff, R. Kallosh, T. Ortín
We study the interplay between T-duality, compactification and supersymmetry. We prove that when the original configuration has unbroken space-time supersymmetries, the dual config…