Kurtosis of height fluctuations in (1+1) dimensional KPZ dynamics

被引：6

作者：

Singha, Tapas ^{[1
]}

Nandy, Malay K. ^{[1
]}

机构：

[1] Indian Inst Technol Guwahati, Dept Phys, Gauhati 781039, India

来源：

JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT | 2015年

关键词：

kinetic roughening (theory); self-affine roughness (theory); dynamical processes (theory); stochastic processes (theory); RENORMALIZATION-GROUP ANALYSIS; DIRECTED POLYMERS; BALLISTIC DEPOSITION; SCALING FUNCTIONS; INTERFACE GROWTH; SURFACE GROWTH; CRYSTAL-GROWTH; RANDOM-MEDIA; ACTIVE ZONE; EDEN MODEL;

D O I：

10.1088/1742-5468/2015/05/P05020

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

We study the fourth order normalized cumulant of height fluctuations governed by 1 + 1 dimensional Kardar-Parisi-Zhang (KPZ) equation for a growing surface. Following a diagrammatic renormalization scheme, we evaluate the kurtosis Q from the connected diagrams leading to the value Q = 0.1523 in the large-scale long-time limit.

引用

页数：11

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