Conserved moments in nonequilibrium field dynamics |
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Authors: | M. B. Mineev-Weinstein F. J. Alexander |
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Affiliation: | (1) Center for Nonlinear Studies, Los Alamos National Laboratory, 87545 Los Alamos, New Mexico |
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Abstract: | We demonstrate with the example of Cahn-Hilliard dynamics that the macroscopic kinetics of first-order phase transitions exhibits an infinite number of constants of motion. Moreover, this result holds in any space dimension for a broad class of nonequilibrium processes whose macroscopic behavior is governed by equations of the form /t = W(), where is an order parameter,W is an arbitrary function of , and is a linear Hermitian operator. We speculate on the implications of this result. |
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Keywords: | Phase segregation pattern formation field dynamics non-equilibrium |
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