DIRECTED-POLYMER AND BALLISTIC-DEPOSITION GROWTH WITH CORRELATED NOISE

被引：110

作者：

PENG, CK

HAVLIN, S

SCHWARTZ, M

STANLEY, HE

机构：

[1] BOSTON UNIV, DEPT PHYS, BOSTON, MA 02215 USA

[2] NIH, DIV COMP RES & TECHNOL, PHYS SCI LAB, BETHESDA, MD 20892 USA

[3] TEL AVIV UNIV, DEPT PHYS & ASTRON, IL-69978 TEL AVIV, ISRAEL

来源：

PHYSICAL REVIEW A | 1991年 / 44卷 / 04期

关键词：

D O I：

10.1103/PhysRevA.44.R2239

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present numerical studies of the effect of long-range correlated noise on (i) the nonlinear Kardar, Parisi, and Zhang (KPZ) stochastic differential equation and the related problem of directed-polymer (DP) growth, and (ii) the ballistic-deposition (BD) model. The results for the KPZ and DP models are consistent with each other, and agree better with one recent theoretical prediction of Hentschel and Family [Phys. Rev. Lett. 66, 1982 (1991)] than with other theoretical predictions. Contrary to the general belief that BD is described by the KPZ equation, we find the surprising result that BD with correlated noise belongs to a different universality class than the KPZ equation.

引用

页码：R2239 / R2242

页数：4

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