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9 papers · 1 filter
Improved lattice operators: the case of the topological charge density
C. Christou, A. Di Giacomo, H. Panagopoulos +1
We analyze the properties of a class of improved lattice topological charge density operators, constructed by a smearing-like procedure. By optimizing the choice of the parameters…
Textures for Neutrino Mass Matrices
G. K. Leontaris, S. Lola, C. Scheich +1
We give a classification of heavy Majorana neutrino mass matrices with up to three texture zeroes, assuming the Dirac masses of the neutrinos to be of the same form as the ones of…
Improving the topological charge density operator on the lattice
C. Christou, A. Di Giacomo, H. Panagopoulos +1
We analyze the properties of a class of improved lattice topological charge density operators, constructed by a smearing-like procedure. By optimizing the choice of the parameters…
The content of the D-meson at infinite coupling
C. Alexandrou, A. Galli
We calculate the condensate in the D - and B - mesons using the unquenched hopping parameter expansion at infinite coupling for the Wilson lattice action. We discuss the…
Fracton Superconductivity in Quasicrystals --- A Theoretical Possibility Suggested by Experiment
K. Moulopoulos, F. Cyrot-Lackmann
Scattering of electrons due to fractons can result in a resistivity that {\it decreases} with temperature. Such a behavior also appears in real quasicrystals. If this is then attri…
Full QCD with the Lüscher local bosonic action
C. Alexandrou, A. Borrelli, Ph. de Forcrand +2
We investigate Lüscher's method of including dynamical Wilson fermions in a lattice simulation of QCD with two quark flavours. We measure the accuracy of the approximation by compa…