http://www.cnr.it/ontology/cnr/individuo/prodotto/ID182543
Monte Carlo simulation of a planar rotator model with symmetry-breaking fields (Articolo in rivista)
- Type
- Label
- Monte Carlo simulation of a planar rotator model with symmetry-breaking fields (Articolo in rivista) (literal)
- Anno
- 2004-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevB.69.174407 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Rastelli E.; Regina S.; Tassi A. (literal)
- Pagina inizio
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Univ Parma, Dipartimento Fis and Ist Nazl Fis Mat, I-43100 Parma, Italy (literal)
- Titolo
- Monte Carlo simulation of a planar rotator model with symmetry-breaking fields (literal)
- Abstract
- The phase diagram and the critical behavior of the planar rotator model on square lattice with fourfold and
on triangular lattice with sixfold symmetry-breaking field is obtained by Monte Carlo simulation. On the basis
of a renormalization-group analysis the planar model with a fourfold symmetry-breaking field is expected to
undergo a continuous phase transition with unconventional field dependent critical exponents, while the same
model with sixfold symmetry-breaking field is expected to exhibit two phase transitions: a ferromagnetic-BKT
(Berezinskii-Kosterlitz-Thouless) one at low temperature followed by a BKT-paramagnetic phase transition at
high temperature. Both these expectations are confirmed by Monte Carlo simulations. (literal)
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