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6 papers · 1 filter
An Example of Semiclassical Instanton-Like Scattering: (1+1) Dimensional Sigma Model
V. A. Rubakov, D. T. Son, P. G. Tinyakov
A solution to the classical field equations in the massless (1+1)-dimensional O(3) sigma model is found, which describes a multi-particle instanton-like transition at high energy.…
On reflection positive formulation of chiral gauge theories on a lattice
Sergei V. Zenkin
A formulation of chiral gauge theories on a lattice which is both reflection positive and gauge invariant is discussed.
Once more on -vacua in dimensional QED and 3+1 dimensional gluodynamics
A. Zhitnitsky
Two different but tightly connected problems, and strong CP violation problems, are discussed in two different models which exhibit both asymptotic freedom and confinement.…
Quark confinement , topological susceptibility and all that in 4 dimensional gluodynamics
A. Zhitnitsky
We discuss a few tightly connected problems, such as the problem, confinement, the -dependence within a framework of the dynamical toron approach. We calculate two funda…
Observable Majoron Emission in Neutrinoless Double Beta Decay
Z Berezhiani, A Yu Smirnov, J W F Valle
We consider a class of simplest Majoron models where neutrino- majoron couplings can be in the range leading to the observability of neutrinoless double be…
Reflection positive formulation of chiral gauge theories on a lattice
Sergei V. Zenkin
Gauge invariant chiral theories satisfying the reflection positivity is constructed on a lattice. This requires the introduction of "half gauge fields" defined some time ago by Bry…