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10 papers · 1 filter
Singularity Resolution in Gauged Supergravity and Conifold Unification
J. D. Edelstein, A. Paredes, A. V. Ramallo
We obtain a unified picture for the conifold singularity resolution. We propose that gauged supergravity, through a novel prescription for the twisting, provides an appropriate fra…
Let's Twist Again: General Metrics of G(2) Holonomy from Gauged Supergravity
J. D. Edelstein, A. Paredes, A. V. Ramallo
We construct all complete metrics of cohomogeneity one G(2) holonomy with S^3 x S^3 principal orbits from gauged supergravity. Our approach rests on a generalization of the twistin…
RG study of a non local sine-Gordon model
Carlos M. Naón, Mariano J. Salvay
We study a non local version of the sine-Gordon model connected to a many-body system with backward and umklapp scattering processes. Using renormalization group methods we derive…
The Ideal Mixing Departure in Vector Meson Physics
L. Epele, H. Fanchiotti, A. G. Grunfeld
In this work we study the departure for the ideal mixing angle in the frame of the Nambu-Jona-Lasinio model. We have shown that in that context, the flavour symmetry breaking…
Algebraic Solution of the Supersymmetric Hydrogen Atom in d Dimensions
A. Kirchberg, J. D. Laenge, P. A. G. Pisani +1
In this paper the N=2 supersymmetric extension of the Schroedinger Hamiltonian with 1/r-potential in arbitrary space-dimensions is constructed. The supersymmetric hydrogen atom adm…
Improved harmonic approximation and the 2D Ising model at and
Aníbal Iucci, Carlos M. Naón
We propose a new method to determine the unknown parameter associated to a self-consistent harmonic approximation. We check the validity of our technique in the context of the sine…