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Invaded cluster algorithm for a tricritical point in a diluted Potts model


Balog, Ivan; Uzelac, Katarina
Invaded cluster algorithm for a tricritical point in a diluted Potts model // Physical Review E, 76 (2007), 1; 011103-1 doi:10.1103/PhysRevE.76.011103 (međunarodna recenzija, članak, znanstveni)


Naslov
Invaded cluster algorithm for a tricritical point in a diluted Potts model

Autori
Balog, Ivan ; Uzelac, Katarina

Izvornik
Physical Review E (1539-3755) 76 (2007), 1; 011103-1

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Potts model; tricritical point; Monte Carlo simulations

Sažetak
The invaded-cluster approach is extended to 2D Potts model with annealed vacancies using random cluster representation. Geometrical arguments are used to propose the algorithm which converges well to tricritical point in two dimensional p arameter space spanned by temperature and chemical potential for vacancies. The tricritical point is identified as a s imultaneous onset of the percolation of Fortuin Kasteleyn-cluster and of the percolation of disordered geometric cluste r. We present the results for the location of tricritical point and the concentration of vacancies for q= 1, 2, 3 in good agreement with the best known results.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
035-0000000-3187 - Kriticne pojave i sustavi izvan ravnoteze (Katarina Uzelac, )

Ustanove
Institut za fiziku, Zagreb

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE


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