Buscar
Mostrando ítems 131-140 de 3801
DYNAMICAL SYMMETRY BREAKING IN A MINIMAL 3-3-1 MODEL
(World Scientific Publ Co Pte Ltd, 2014)
Pseudospin and spin symmetries in the Dirac equation for confining potentials with the application to the Coulomb potential in 1+1 dimensions
(2015-01-01)
In this paper, we revise the main features of pseudospin and spin symmetries of the Dirac equation with scalar and vector potentials and mention several of its applications to strong interacting physical systems. We present ...
Parity-time symmetry broken by point-group symmetry
(American Institute of Physics, 2014-06)
We discuss a parity-time (PT) symmetric Hamiltonian with complex eigenvalues. It is based on the dimensionless Schrödinger equation for a particle in a square box with the PT-symmetric potential V(x, y) = iaxy. Perturbation ...
Local duality and charge symmetry violation in quark distributions
(American Physical Soc, 2004-11-01)
We use local quark-hadron duality to calculate the nucleon structure function as seen by neutrino and muon beams. Our result indicates a possible signal of charge symmetry violation at the parton level in the very large x region.
Closing the SU(3)L U(1)X symmetry at the electroweak scale
(2006-06-23)
We show that some models with SU(3)C SU(3)L U(1)X gauge symmetry can be realized at the electroweak scale and that this is a consequence of an approximate global SU(2)L+R symmetry. This symmetry implies a condition among ...
Dynamical breaking of symmetries beyond the standard model and supergeometry
(IOP Publishing, 2019-09-26)
Group theoretical realizations containing the electroweak sector of the Standard Model (SM) are discussed from the supersymmetry point of view. Dynamical breaking of the symmetry is performed and the corresponding quadratic ...
The role of symmetry in the interpretation of quantum mechanics
(Institute for Scientific Methodology, 2015-12)
Despite the impressive amount of literature on the foundations of quantum mechanics, the relevance of symmetry in interpretation is not properly acknowledged. In fact, although it is usually said that quantum mechanics is ...