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cond-mat.supr-con2008★ 4 cited
Abnormal diffusion of a single vortex in the two dimensional XY model
Tomoaki Nogawa, Koji Nemoto
We study thermal diffusion dynamics of a single vortex in two dimensional XY model. By numerical simulations we find an abnormal diffusion such that the mobility decreases with tim…
cond-mat.stat-mech2008★ 5 cited
Ferromagnetic Ising spin systems on the growing random tree
Takehisa Hasegawa, Koji Nemoto
We analyze the ferromagnetic Ising model on a scale-free tree; the growing random network model with the linear attachment kernel introduced by [Krapivsky et al.: Phys. R…