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Monday 06 September 2010, 17:05-17:45
Analysis of Dynamics of Doi-Onsager Phase Transition
⚠️ Important: Partial Differential Equations in Kinetic Theories
- 👤 Speaker: Liu, JG (Duke)
- 📅 Date & Time: Monday 06 September 2010, 17:05 - 17:45
- 📍 Venue: Seminar Room 1, Newton Institute
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Mustapha Amrani
Abstract
Phase transition of directional field appears in some physical and biological systems such as ferromagnetism near Currie temperature, flocking dynamics near critical mass of self propelled particles. This problem was postulated by Onsager via minimization of a free energy and dynamically by Doi equation. It also appears in the mean-field equation of Vicsek model for flocking of birds. In this talk, I will present a new entropy for the Doi-Onsager equation which enable us to give a rigorous justification of this dynamics phase transition. This is a joint work with Pierre Degond and Amic Frouvelle.
Series This talk is part of the Isaac Newton Institute Seminar Series series.
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