Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1996-01-25
Physics
High Energy Physics
High Energy Physics - Theory
31 pages, Latex; v2: the name of one of the authors changed -- Iouri Chepelev former Hla Win Pe
Scientific paper
We consider matrix-model representations of the meander problem which describes, in particular, combinatorics for foldings of closed polymer chains. We introduce a supersymmetric matrix model for describing the principal meander numbers. This model is of the type proposed by Marinari and Parisi for discretizing a superstring in D=1 while the supersymmetry is realized in D=0 as a rotational symmetry between bosonic and fermionic matrices. Using non-commutative sources, we reformulate the meander problem in a Boltzmannian Fock space whose annihilation and creation operators obey the Cuntz algebra. We discuss also the relation between the matrix models describing the meander problem and the Kazakov-Migdal model on a D-dimensional lattice.
Chepelev Iouri
Makeenko Yuri
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