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45 papers · 1 filter
On S-duality in (2+1)-Chern-Simons Supergravity
H. Garcia-Compean, O. Obregon, C. Ramirez +1
Strong/weak coupling duality in Chern-Simons supergravity is studied. It is argued that this duality can be regarded as an example of superduality. The use of supergroup techniques…
Nonexistence of a quasibound state
H. Garcilazo, M. T. Peña
We have solved the Faddeev equations for elastic scattering using realistic separable interactions for the and coupled - subsystems. We found that including expli…
Elastic and radiative pi^+p scattering and properties of the Delta^{++} resonance
G. Lopez Castro, A. Mariano
We study the Delta^{++} contributions to elastic and radiative π^+p scattering within an effective Lagrangian model which incorporates the Delta, N, rho and sigma meson degrees of…
Scalar Field Dark Matter, Cross Section and Planck-Scale Physics
T. Matos, L. A. Urena-Lopez
In recent papers we have proposed that the dark matter of the Universe could be from scalar field origin. In this letter, we find that if the scale of renormalization of the model…
The Bardeen Model as a Nonlinear Magnetic Monopole
Eloy Ayón-Beato, Alberto García
The Bardeen model -- the first regular black hole model in General Relativity -- is reinterpreted as the gravitational field of a nonlinear magnetic monopole, i.e., as a magnetic s…
Pseudo SU(3) shell model: Normal parity bands in odd-mass nuclei
C. E. Vargas, J. G. Hirsch, J. P. Draayer
A pseudo shell SU(3) model description of normal parity bands in 159-Tb is presented. The Hamiltonian includes spherical Nilsson single-particle energies, the quadrupole-quadrupole…