~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Joint CCS and Condensed Matter Seminar
Friday - April 27, 2007
12:00 noon
Physics Research Building - Room 595
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Professor Marcelo Gleiser - Department of Physics & Astronomy, Dartmouth

"Oscillons: Properties and Applications of the Lumps that Wouldn't Die"

I will present some properties of oscillons, time-dependent localized 
configurations that are
surprisingly long-lived, examining their existence in an arbitrary 
number of spatial dimensions
and in several models, including the Abelian Higgs model. I will then 
show how the presence
of oscillons after a rapid quench can dramatically speed-up the 
nucleation rate in first order
phase transitions in 2 and 3 spatial dimensions, turning the usual 
exponential suppression of
homogeneous nucleation into a power law.



Cheryl Endicott
Administrative Assistant
Center for Computational Science
3 Cummington Street
tel: 617-358-1470
fax: 617-358-2487
email:cheryle@bu.edu
http://ccs.bu.edu

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