Abstract
Since the nucleation of spatio-temporal patterns in nonequilibrium systems is usually associated with continuous symmetry breakings, their selection and stability properties may be strongly affected by fluctuations or small external fields. These effects are discussed in the framework of amplitude equations of the Ginzburg-Landau type. In particular, it is shown that the presence of fluctuations modify qualitatively the bifurcation diagram and suppress any true long range order in low dimensional systems.
Senior Research Associate, National Fund for Scientific Research (Belgium)
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Walgraeft, D. (1991). Pattern Formation, External Fields and Fluctuations. In: Jiménez, J. (eds) The Global Geometry of Turbulence. NATO ASI Series, vol 268. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-3750-2_29
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DOI: https://doi.org/10.1007/978-1-4615-3750-2_29
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