XY model in small-world networks.
The phase transition in the XY model on one-dimensional small-world networks is investigated by means of Monte Carlo simulations. It is found that long-range order is present at finite temperatures, even for very small values of the rewiring probability, suggesting a finite-temperature transition for any nonzero rewiring probability. Nature of the phase transition is discussed in comparison with the globally coupled XY model.
Kim
B J
BJ
Department of Theoretical Physics, Umeå University, 901 87 Umeå, Sweden.
Hong
H
H
Holme
P
P
Jeon
G S
GS
Minnhagen
P
P
Choi
M Y
MY