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32 papers · 1 filter
Hopf maps as static solutions of the complex eikonal equation
C. Adam
We demonstrate that a class of torus-shaped Hopf maps with arbitrary linking number obeys the static complex eikonal equation. Further, we explore the geometric structure behind th…
Suppression of the Magnetic Phase Transition in Manganites Close to the Metal-Insulator Crossover
F. Rivadulla, J. Rivas, J. B. Goodenough
We report the suppression of the magnetic phase transition in La1-xCaxMnO3 close to the localized-to-itinerant electronic transition, i.e. at x = 0.2 and x = 0.5. A new crossover t…
Time Structure of Muonic Showers
L. Cazon, R. A. Vazquez, A. A. Watson +1
An analytical description of the time structure of the pulses induced by muons in air showers at ground level is deduced assuming the production distance distribution for the muons…
Flavoring the gravity dual of N=1 Yang-Mills with probes
C. Nunez, A. Paredes, A. V. Ramallo
We study two related problems in the context of a supergravity dual to N=1 SYM. One of the problems is finding kappa symmetric D5-brane probes in this particular background. The ot…
Production cross-sections and momentum distributions of fragments from neutron-deficient 36Ar at 1.05 A.GeV
M. Caamano, D. Cortina-Gil, K. Suemmerer +5
We have measured production cross sections and longitudinal momentum distributions of fragments from neutron-deficient 36Ar at 1.05 A.GeV. The production cross-sections show excell…
Tests and applications of Migdal's particle path-integral representation for the Dirac Propagator
C. Fosco, J. Sanchez-Guillen, R. A. Vazquez
We derive some non-perturbative results in 1+1 and 2+1 dimensions within the context of the particle path-integral representation for a Dirac field propagator in the presence of an…