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Dynamical critical behaviours of the Ising spin chain: Swendsen–Wang and Wolff algorithms

P L Krapivsky

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We study the zero-temperature Ising chain evolving according to the Swendsen–Wang dynamics. We determine analytically the domain length distribution and various 'historical' characteristics, e.g. the density of unreacted domains is shown to scale with the average domain length as langlrang−δ with δ = 3/2 (for the q-state Potts model, δ = 1 + q−1). We also compute the domain length distribution for the Ising chain endowed with the zero-temperature Wolff dynamics.


PACS

05.50.+q Lattice theory and statistics (Ising, Potts, etc.)

05.40.-a Fluctuation phenomena, random processes, noise, and Brownian motion

02.50.Ey Stochastic processes

02.30.Hq Ordinary differential equations

05.70.Jk Critical point phenomena

02.30.Jr Partial differential equations

MSC

65Nxx Partial differential equations, boundary value problems

82B27 Critical phenomena

82B20 Lattice systems (Ising, dimer, Potts, etc.) and systems on graphs

Subjects

Mathematical physics

Computational physics

Statistical physics and nonlinear systems

Dates

Issue 27 (9 July 2004)

Received 2 April 2004, in final form 20 May 2004

Published 22 June 2004



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