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SUMMARY:High-dimensional surprises near the glass and the jamming transiti
 ons - Prof. Patrick Charbonneau\, Department of Chemistry\, Duke Universit
 y\, Durham\, NC 27708-0354
DTSTART:20141031T130000Z
DTEND:20141031T140000Z
UID:TALK54389@talks.cam.ac.uk
CONTACT:Dr. Judith B. Rommel
DESCRIPTION:The glass problem is notoriously hard\, but the recent solutio
 n of a microscopic mean-field model offers a novel path forward for explor
 ing the problem. In this seminar\, I will discuss how contrasting entropic
  caging and isostaticity at the glass and the jamming transitions\, respec
 tively\, reveals the presence of a Gardner transition. This onset of mecha
 nical marginality then explains the presence non-trivial critical exponent
 s. I will also discuss how a family of finite-dimensional models ascribes 
 a clear role for caging geometry and hopping in the dynamical slowdown of 
 colloid-like glass formers\, which enriches the traditional mean-field des
 cription.
LOCATION:Unilever Lecture Theatre\, Department of Chemistry
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