Percolation and magnetization in the continuous spin Ising model
Mar, 2000
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Abstract:
In the strong coupling limit the partition function of SU(2) gauge theory can be reduced to that of the continuous spin Ising model with nearest neighbour pair-interactions. The random cluster representation of the continuous spin Ising model in two dimensions is derived through a Fortuin-Kasteleyn transformation, and the properties of the corresponding cluster distribution are analyzed. It is shown that for this model, the magnetic transition is equivalent to the percolation transition of Fortuin-Kasteleyn clusters, using local bond weights. These results are also illustrated by means of numerical simulations.- 05.50.+q
- 11.15.Ha
- 75.10.H
- Phase transition
- Gauge theories
- Percolation
- Wolff algorithm
- Fortuin–Kasteleyn transformation
- lattice field theory
- gauge field theory: SU(2)
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