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Hadron resonances generated from the dynamics of the lightest scalar ones
Chiral symmetry Scalar pseudoscalar and vector resonances
2011/1/7
We have studied the interactions of the scalar resonances f0(980) and a0(980) with the vector resonance φ(1020) and with the lightest pseudoscalars π, K, η and η′. We first obtain the interaction kern...
Unified Dark Matter scalar field models with fast transition
Unified Dark Matter scalar field fast transition
2010/12/22
We investigate the general properties of Unified Dark Matter (UDM) scalar
field models with Lagrangians with a non-canonical kinetic term, looking specifically for
models that can produce a fast tra...
Confinement limit of Dirac particles in scalar 1D potentials
Confinement limit Dirac particles scalar 1D potentials
2010/4/9
We present a general proof that Dirac particles cannot be localized below their Compton length by symmetric but otherwise arbitrary scalar potentials. This proof does not invoke the Heisenberg uncerta...
Any l-state improved quasi-exact analytical solutions of the spatially dependent mass Klein-Gordon equation for the scalar and vector Hulthen potentials
Any l-state quasi-exact solutions Klein-Gordon equation vector Hulthen potentials
2010/4/7
We present a new approximation scheme for the centrifugal term to obtain a quasi-exact analytical bound state solutions within the framework of the position-dependent effective mass radial Klein-Gordo...