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SUMMARY:Multi-billion speedup of glassy dynamics with swap Monte Carlo: eq
 uilibrium phase transitions and rugged energy landscapes - Dr Ludovic Bert
 hier\, CNRS & Universite de Montpellier
DTSTART:20200205T141500Z
DTEND:20200205T151500Z
UID:TALK135589@talks.cam.ac.uk
CONTACT:Lisa Masters
DESCRIPTION:Computer simulations give unique insights into the microscopic
  behavior of disordered and amorphous materials\, but typical simulated ti
 mescales are orders of magnitude shorter than experimentally relevant ones
 . In particular\, simulations of supercooled liquids performed with standa
 rd techniques cover at most 5 decades of viscous slowing down\, far behind
  the 13 decades commonly accessible in experiments. Recently\, we have clo
 sed this enormous gap for a class of realistic models of liquids\, which w
 e can successfully equilibrate beyond laboratory time scales by means of a
  swap Monte Carlo algorithm achieving for some models over 11 orders of ma
 gnitude equilibration speedup. This exciting numerical advance allows us t
 o address outstanding questions concerning glassy systems\, such as the na
 ture of the phase transition underlying glass formation and the exploratio
 n of the potential energy landscape governing low-temperature properties o
 f glasses.
LOCATION:Department of Chemistry\, Cambridge\,  Pfizer Lecture Theatre
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