Oct 19, 2016 - In September 1995 the Niels Bohr Institute in Copenhagen was the venue of an International Conference on Complex ... Jens Juul Rasmussen.
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Complex Dynamics in Spatially Extended Systems
This content has been downloaded from IOPscience. Please scroll down to see the full text. 1996 Phys. Scr. 1996 5 (http://iopscience.iop.org/1402-4896/1996/T67/E01) View the table of contents for this issue, or go to the journal homepage for more
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Physica Scripta. Vol. T67, 5, 1996
Preface Self-organization, or the spontaneous emergence of patterns and structures under far-from-equilibrium conditions, turbulence, and related nonlinear dynamic phenomena in spatially extended systems havedeveloped into one of the most exciting topics of modern science. Phenomena of this type arise ina wide variety of different fields,ranging from the development of chemical and biological patterns in reaction-diffusion systems over vortex formation in connection with chemical, optical, hydrodynamic or magnetohydrodynamic turbulence to technical applications in connection with liquid crystal displays or pulse compression in optical communication systems. Lasers often show interesting patterns produced by self-focusing and other nonlinear phenomena, diffusion limited aggregation is known to generate fractal-like structures, and amazing structures also arise in bacterial growth processes or when a droplet of an oil suspension of finely divided magnetic particles is subject to a magnetic fieldperpendicular to the surface of the cell in which it iscontained. In September 1995 the Niels Bohr Institute in Copenhagen was the venue of an International Conference on Complex Dynamics in SpatiallyExtendedSystems. Organizers of the conference were the three Danish centers for nonlinear dynamics: The Center for Chaos and Turbulence Studies (CATS), located at the Niels Bohr Institute; the Center for Modeling, Nonlinear Dynamics and Irreversible Thermodynamics (MIDIT), located at the Technical University of Denmark, and the Center for Nonlinear Dynamics in Continuum Systems, located at theRis0 National Laboratories. In the spirit of the successful NATO Advanced Research Workshops on Spatiotemporal Patterns in Nonequilibrium Systems of which the last was held in Santa Fe, New Mexico in 1993, the conference aimed at stimulating new ideas and providing a forum for the exchange of knowledge betweenleading practitioners of the field. With its 50 invited speakers and more than 120 participants, theconferencebecame a strong manifestation of the interest in the complex dynamics of spatially extended systems, and the special atmosphere created by the Niels Bohr Institute contributed to the unusually interesting and intense discussions. Special emphasis was given to topics such as - two-dimensional turbulence - pattern formation in physical systems - collapse dynamics incontinuous and discrete
systems - nonlinear surface wavesand solitons - Turing structures in chemical and biological systems - fluctuations in nearly integrable systems - liquid crystals. However, a variety of other topics were coveredas well. As organizers of the conference we are proud to present the selected contributions published in this topical issue of Physica Scripta. We would like to thank each individual contributor for the collaboration to produce the volume. The Danish Research Councils for Natural and Technical Sciences, the Niels Bohr Foundation, and Thomas B. Thrige’s Fond are acknowledged for financial support to organize the conference. Erik Mosekilde Dept. of Physics Technical University of Denmark Tomas Bohr Center for Chaos andTurbulence Studies Niels Bohr Institute Jens Juul Rasmussen Dept. of Optics and Fluid Dynamics Rim National Laboratory Peter Leth Christiansen Institute for Mathematical Modeling Technical University of Denmark
