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- W4300889096 abstract "We consider a phase-field model where the internal energy depends on the order parameter in a nonlocal way. Therefore, the resulting system consists of the energy balance equation coupled with a nonlinear and nonlocal ODE for the order parameter. Such system has been analyzed by several authors, in particular when the configuration potential is a smooth double-well function. More recently, in the case of a potential defined on (-1,1) and singular at the endpoints, the existence of a finite-dimensional global attractor has been proven. Here we examine both the case of smooth potentials as well as the case of physically realistic (e.g., logarithmic) singular potentials. We prove well-posedness results and the eventual global boundedness of solutions uniformly with respect to the initial data. In addition, we show that the separation property holds in the case of singular potentials. Thanks to these results, we are able to demonstrate the existence of a finite-dimensional attractors in the present cases as well." @default.
- W4300889096 created "2022-10-04" @default.
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- W4300889096 date "2011-10-26" @default.
- W4300889096 modified "2023-09-27" @default.
- W4300889096 title "Nonlocal phase-field systems with general potentials" @default.
- W4300889096 doi "https://doi.org/10.48550/arxiv.1110.5824" @default.
- W4300889096 hasPublicationYear "2011" @default.
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