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Damage Spreading During Domain Growth | | I.S. Graham
; E. Hernandez-Garcia
; M. Grant
; | | Date: |
7 Apr 1994 | | Journal: | Phys. Rev. E 49, R4763-4766 (1994) | | Subject: | cond-mat hep-lat | | Abstract: | We study damage spreading in models of two-dimensional systems undergoing first order phase transitions. We consider several models from the same non-conserved order parameter universality class, and find unexpected differences between them. An exact solution of the Ohta-Jasnow-Kawasaki model yields the damage growth law $D sim t^{phi}$, where $phi = t^{d/4}$ in $d$ dimensions. In contrast, time-dependent Ginzburg-Landau simulations and Ising simulations in $d= 2$ using heat-bath dynamics show power-law growth, but with an exponent of approximately $0.36$, independent of the system sizes studied. In marked contrast, Metropolis dynamics shows damage growing via $phi sim 1$, although the damage difference grows as $t^{0.4}$. PACS: 64.60.-i, 05.50.+q | | Source: | arXiv, cond-mat/9404016 | | Services: | Forum | Review | PDF | Favorites | |
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