Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2002-12-12
Phys.Atom.Nucl. 66 (2003) 2062-2069; Yad.Fiz. 66 (2003) 2111-2118
Physics
High Energy Physics
High Energy Physics - Theory
14 pages, typos corrected. Dedicated to the 80-th birthday of Karen Avetovich Ter-Martirosyan
Scientific paper
10.1134/1.1625749
Brane-like vertex operators, defining backgrounds with the ghost-matter mixing in NSR superstring theory, play an important role in a world-sheet formulation of D-branes and M theory, being creation operators for extended objects in the second quantized formalism. In this paper we show that dilaton's beta function in ghost-matter mixing backgrounds becomes stochastic. The renormalization group (RG) equations in ghost-matter mixing backgrounds lead to non-Markovian Fokker-Planck equations which solutions describe superstrings in curved space-times with brane-like metrics.We show that Feigenbaum universality constant $\delta=4,669...$ describing transitions from order to chaos in a huge variety of dynamical systems, appears analytically in these RG equations. We find that the appearance of this constant is related to the scaling of relative space-time curvatures at fixed points of the RG flow. In this picture the fixed points correspond to the period doubling of Feigenbaum iterational schemes.
Kogan Ian I.
Polyakov Dimitri
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