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18 papers · 1 filter
Semiclassical Approximation for Non-Abelian Field Strength Correlators in the Instanton Dilute Gas Model
E. -M. Ilgenfritz, B. V. Martemyanov, S. V. Molodtsov +2
Field strength correlators are semi-classically evaluated in the dilute gas model of non-Abelian sources (instantons) and compared with lattice data for QCD at zero temperature. We…
Non-Abelian Gauge Configuration with a Magnetic Field Concentrated at a Point
Minoru Hirayama, Takeshi Hamada, Masafumi Hasegawa
A specific SU(2) gauge configuration yielding a magnetic field concentrated at a point is investigated. Its relation to the Aharonov-Bohm gauge potential and its cohomological mean…
Phenomenological neutrino mass matrix for neutrino oscillations and dark matter
Daijiro Suematsu
A phenomenological neutrino mass matrix is proposed to explain the solar and atmospheric neutrino deficits and to present the neutrino as a candidate of hot dark matter in the $3ν_…
Sum rules in the superpartner spectrum of the minimal supersymmetric standard model
Yoshiharu Kawamura, Tatsuo Kobayashi Jisuke Kubo
Assuming that the string inspired, universal sum rules for soft supersymmetry-breaking terms, which have been recently found both in a wide class of four-dimensional superstrings a…
Topological Content of the Electroweak Sphaleron on the Lattice
M. N. Chernodub, F. V. Gubarev, E. -M. Ilgenfritz
3D electroweak sphalerons on the lattice are used as test configurations for definitions of various topological defects. In the maximally Abelian gauge they are shown to contain a…
Neutralino decay in the -problem solvable extra U(1) models
Daijiro Suematsu
We study the neutralino decay in the supersymmetric extra U(1) models which can solve the -problem. In these models the neutralino sector is extended at least into six component…