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- W2095662575 abstract "We consider a modification of the so-called phase-field crystal (PFC) equation introduced by K.R. Elder et al. This variant has recently been proposed by P. Stefanovic et al. to distinguish between elastic relaxation and diffusion time scales. It consists of adding an inertial term (i.e. a second-order time derivative) into the PFC equation. The mathematical analysis of the resulting equation is more challenging with respect to the PFC equation, even at the well-posedness level. Moreover, its solutions do not regularize in finite time as in the case of PFC equation. Here we analyze the modified PFC (MPFC) equation endowed with periodic boundary conditions. We first prove the existence and uniqueness of a solution with initial data in a bounded energy space. This solution satisfies some uniform dissipative estimates which allow us to study the global longtime behavior of the corresponding dynamical system. In particular, we establish the existence of an exponential attractor. Then we demonstrate that any trajectory originating from the bounded energy phase space does converge to a unique equilibrium. This is done by means of a suitable version of the {L}ojasiewicz-Simon inequality. A convergence rate estimate is also given." @default.
- W2095662575 created "2016-06-24" @default.
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- W2095662575 date "2013-06-25" @default.
- W2095662575 modified "2023-10-18" @default.
- W2095662575 title "Well-posedness and longtime behavior for the modified phase-field crystal equation" @default.
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- W2095662575 doi "https://doi.org/10.48550/arxiv.1306.5857" @default.
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