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Topology in 2D CP**(N-1) models on the lattice: a critical comparison of different cooling techniques

Alles, B. and Cosmai, L. and D'Elia, M. and Papa, A. (2000) Topology in 2D CP**(N-1) models on the lattice: a critical comparison of different cooling techniques. Physical review. D, Particles, fields, gravitation, and cosmology, 62 . 094507. ISSN 1550-7998

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Abstract

Two-dimensional CP**(N-1) models are used to compare the behavior of different cooling techniques on the lattice. Cooling is one of the most frequently used tools to study on the lattice the topological properties of the vacuum of a field theory. We show that different cooling methods behave in an equivalent way. To see this we apply the cooling methods on classical instantonic configurations and on configurations of the thermal equilibrium ensemble. We also calculate the topological susceptibility by using the cooling technique.

Item Type: Article
Additional Information: Imported from arXiv
Subjects: Area02 - Scienze fisiche > FIS/02 - Fisica teorica, modelli e metodi matematici
Divisions: Dipartimenti (from 2013) > DIPARTIMENTO DI FISICA
Depositing User: dott.ssa Sandra Faita
Date Deposited: 29 Jan 2014 18:09
Last Modified: 29 Jan 2014 18:09
URI: http://eprints.adm.unipi.it/id/eprint/1517

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