Abstract
We consider quenches in nonconserved two-dimensional XY systems between any two temperatures below the Kosterlitz-Thouless transition. The evolving systems are defect free at coarse-grained scales, and can be exactly treated. Correlations scale with a characteristic length L(t)∝ at late times. The autocorrelation decay exponent, λ¯=(+)/2, depends on both the initial and the final state of the quench through the respective decay exponents of equilibrium correlations, (r)∼. We also discuss time-dependent quenches.
- Received 22 November 1994
DOI:https://doi.org/10.1103/PhysRevE.51.R1641
©1995 American Physical Society