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18 papers · 1 filter
Multiscaling to Standard Scaling Crossover in the Bray-Humayun Model for Phase Ordering Kinetics
Claudio Castellano, Marco Zannetti
The Bray-Humayun model for phase ordering dynamics is solved numerically in one and two space dimensions with conserved and non conserved order parameter. The scaling properties ar…
Squeezed Neutrino Oscillations in Quantum Field Theory
E. Alfinito, M. Blasone, A. Iorio +1
By resorting to recent results on fermion mixing which show that the Fock space of definite flavor states is unitarily inequivalent to the Fock space of definite mass states, we di…
The weight-two Hodge structure of moduli spaces of sheaves on a K3 surface
Kieran G. O'Grady
We prove that the weight-two Hodge structure of moduli spaces of torsion-free sheaves on a K3 surface is as described by Mukai (the rank is arbitrary but we assume the first Chern…
Bose-Einstein correlations in thermal field theory
P. A. Henning, Ch. Hoelbling, M. Blasone +1
Two-particle correlation functions are calculated for bosons emitted from a localized thermal source (the ``glow'' of a ``hot spot''). In contrast to existing work, non-equilibrium…
Screening current effects in Josephson junction arrays
A. Petraglia, G. Filatrella, G. Rotoli
The purpose of this work is to compare the dynamics of arrays of Josephson junctions in presence of magnetic field in two different frameworks: the so called XY frustrated model wi…
Gauge-Averaging Functionals for Euclidean Maxwell Theory in the Presence of Boundaries
Giampiero Esposito
This paper studies the one-loop expansion of the amplitudes of electromagnetism about flat Euclidean backgrounds bounded by a 3-sphere, recently considered in perturbative quantum…