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Topological susceptibility and string tension in CP(N-1) models
Massimo Campostrini, Paolo Rossi, Ettore Vicari
We investigate the features of models concerning confinement and topology. In order to study the approach to the large- asymptotic regime, we determine the topo…
Scaling and asymptotic scaling in two-dimensional models
Massimo Campostrini, Paolo Rossi, Ettore Vicari
Two-dimensional models are investigated by Monte Carlo methods on the lattice, for values of ranging from 2 to 21. Scaling and rotation invariance are studied by com…
Monte Carlo simulation of lattice models at large N
Ettore Vicari
In order to check the validity and the range of applicability of the 1/N expansion, we performed numerical simulations of the two-dimensional lattice CP(N-1) models at large N, in…
Topological susceptibility and string tension in the lattice CP(N) models
M. Campostrini, P. Rossi, E. Vicari
In the lattice CP(N) models we studied the problems related to the measure of the topological susceptibility and the string tension . We perfomed numerical simulations at N=4 and N…