Perturbation Expansion in Phase Ordering Kinetics

Details Perturbation Expansion in Phase Ordering Kinetics Perturbation Expansion in Phase Ordering Kinetics

1997-11-04

arxiv.org/abs/cond-mat/9711029v1

Physics

Condensed Matter

Statistical Mechanics

14 pages, LaTex

Scientific paper

A consistent perturbation theory expansion is presented for phase ordering kinetics in the case of a nonconserved scalar order parameter. At lowest order in this formal expansion one obtains the theory due to Ohta, Jasnow and Kawasaki (OJK). At next order, worked out explicitly in d dimensions, one has small corrections to the OJK result for the nonequilibrium exponent $\lambda$ and the introduction of a new exponent $\nu$ governing the algebraic component of the decay of the order parameter scaling function at large scaled distances.

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