10.9k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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4 papers · 1 filter
Strings in Spacetime Cotangent Bundle and T-duality
C. Klimcik, P. Severa
A simple geometric description of T-duality is given by identifying the cotangent bundles of the original and the dual manifold. Strings propagate naturally in the cotangent bundle…
Pathological Behavior of Renormalization-Group Maps at High Fields and Above the Transition Temperature
Aernout C. D. van Enter, Roberto Fernández, Roman Kotecký
We show that decimation transformations applied to high- Potts models result in non-Gibbsian measures even for temperatures higher than the transition temperature. We also show…
Gauge-Symmetry Breakdown at the Horizon of Extreme Black Holes
J. Bicak, C. Cris, P. Hajicek +1
Static solutions of the Einstein-Yang-Mills-Higgs system containing extreme black holes are studied. The field equations imply strong restrictions on boundary values of all fields…
Exact four dimensional string solutions and Toda-like sigma models from `null-gauged' WZNW theories
C. Klimcik, A. A. Tseytlin
We construct a new class of exact string solutions with a four dimensional target space metric of signature () by gauging the independent left and right nilpotent subgroup…