Langevin equations for interface growth: Edwards-Wilkinson and KPZ equation
Statistical Physics and Complexity Group meeting
Langevin equations for interface growth: Edwards-Wilkinson and KPZ equation
- Event time: 11:30am
- Event date: 26th September 2012
- Speaker: Professor Martin Evans (School of Physics & Astronomy, University of Edinburgh)
- Location: Room 2511, James Clerk Maxwell Building (JCMB) James Clerk Maxwell Building Peter Guthrie Tait Road Edinburgh EH9 3FD GB
Event details
Langevin equations are commonly used as a description of a the stochastic dynamics of many-body systems. Here I shall motivate two well known (even 'ubiquitous') equations --- Edwards- Wilkinson and Kardar-Parisi-Zhang --- from the point of view of fluctuating interfaces. If time allows I'll discuss how the symmetric and asymmetric exclusion processes of hopping particles correspond to the two equations and why this implies fundamental physical differences between the two processes.
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