Monte Carlo study of the XY-model on Sierpinski gasket - Condensed Matter > Statistical MechanicsReportar como inadecuado




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Abstract: We have performed a Monte Carlo study of the classical XY-model ontwo-dimensional Sierpinski gaskets of several cluster sizes. From thedependence of the helicity modulus on the cluster size we conclude that thereis no phase transition in this system at a finite temperature. This is inagreement with previous findings for the harmonic approximation to the XY-modelon Sierpinski gasket and is analogous to the absence of finite temperaturephase transition for the Ising model on fractals with a finite order oframification.



Autor: Bozidar Mitrovic, Shyamal K. Bose

Fuente: https://arxiv.org/







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