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5 papers · 2 filters
Skyrme Sphalerons of an O(3)-sigma Model and the Calculation of Transition Rates at Finite Temperature
F. Zimmerschied, D. H. Tchrakian, H. J. W. Mueller-Kirsten
The reduced O(3)-sigma model with an O(3)->O(2) symmetry breaking potential is considered with an additional Skyrmionic term, i.e. a totally antisymmetric quartic term in the field…
On the critical behaviour of hermitean f-matrix models in the double scaling limit with f >= 3
S. Balaska, J. Maeder, W. Ruehl
An algorithm for the isolation of any singularity of f-matrix models in the double scaling limit is presented. In particular it is proved by construction that only those universali…
Functional Representations for Fock Superalgebras
Joachim Kupsch, Oleg G. Smolyanov
The Fock space of bosons and fermions and its underlying superalgebra are represented by algebras of functions on a superspace. We define Gaussian integration on infinite dimension…
The Continuous Series of Critical Points of the Two-Matrix Model at N -> infinity in the Double Scaling Limit
S. Balaska, J. Maeder, W. Ruehl
The critical points of the continuous series are characterized by two complex numbers l_1,l_2 (Re(l_1,l_2)< 0), and a natural number n (n>=3) which enters the string susceptibility…
Euclidean field theory and singular classical field configurations
A. V. Shurgaia
Euclidean field theory on 4-dimensional sphere is suggested for the study of high energy multiparticle production. The singular classical field configurations are found in scalar a…