title: Anomalous velocity fluctuation in one-dimensional defect turbulence.
abstract: In this paper various eccentric hole dynamics are presented in defect turbulence of the one-dimensional complex Ginzburg-Landau equation. Each hole shows coherent particlelike motion with nonconstant velocity. On the other hand, successive hole velocities without discriminating each hole exhibit anomalous intermittent motions being subject to multi-time-scale non-Gaussian statistics. An alternate non-Markov stochastic differential equation is proposed, by which all these observed statistical properties can be described successfully.
authors.affiliation: Department of Risk Engineering, Faculty of Information and Systems, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan.
authors.forename: Yusuke
authors.initials: Y
authors.lastname: Uchiyama
authors.affiliation: Department of Risk Engineering, Faculty of Information and Systems, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan.
authors.forename: Takanori
authors.initials: T
authors.lastname: Kadoya
authors.affiliation: Department of Risk Engineering, Faculty of Information and Systems, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan.
authors.forename: Hidetoshi
authors.initials: H
authors.lastname: Konno