Comment on ``Theory of Spinodal Decomposition''
A. D. Rutenberg
TL;DR
This paper critiques Goryachev's theory of non-equilibrium dynamics in scalar systems, highlighting the incorrect application of global conservation constraints to systems with local conservation laws.
Contribution
It clarifies the importance of local conservation laws in modeling non-equilibrium dynamics, correcting a specific theoretical misapplication.
Findings
Goryachev's theory incorrectly applies global constraints to local conservation systems.
Proper consideration of local conservation laws alters the understanding of spinodal decomposition.
The critique emphasizes the need for accurate conservation law application in theoretical models.
Abstract
I comment on a paper by S. B. Goryachev [PRL vol 72, p.1850 (1994)] that presents a theory of non-equilibrium dynamics for scalar systems quenched into an ordered phase. Goryachev incorrectly applies only a global conservation constraint to systems with local conservation laws.
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