Abstract
There has been a surprising amount of theoretical and experimental interest recently in one of the simplest problems in the area of critical dynamics. The systems under scrutiny are two-dimensional Ising-like systems with a nonconserved order parameter. I have chosen to focus on this problem in these lectures for three reasons:
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(i)
These systems appear superficially to be very simple. There is only one dynamical process that is important for long times and we understand the equilibrium properties in considerable detail.
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(ii)
There exist natural examples of such systems (usually two-dimensional Ising antiferromagnets) and there are some interesting recent experiments on such systems which have been somewhat provocative.
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(iii)
Essentially every known calculational method for critical dynamics has been applied to this problem. Thus we can use this system to review conveniently and compare these various methods.
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Mazenko, G.F. (1983). Critical Dynamics in Simple Ising-Like Systems. In: Ausloos, M., Elliott, R.J. (eds) Magnetic Phase Transitions. Springer Series in Solid-State Sciences, vol 48. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-82138-7_8
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