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SUMMARY:A clustering analysis of structural heterogeneity in supercooled l
 iquids - Robert Jack
DTSTART:20200427T153000Z
DTEND:20200427T160000Z
UID:TALK141847@talks.cam.ac.uk
CONTACT:Bingqing Cheng
DESCRIPTION:When studying glassy materials and supercooled liquids\, the d
 isordered molecular structure is important.  Unlike crystals\, each molecu
 le in a liquid has a slightly different local environment\, and these subt
 le differences can have important implications for material properties.  I
  will present a method [1] for classifying particles into groups (``struct
 ural communities'') based on their local environments\, as characterised b
 y the distances to their neighbours (radial distribution function) or thei
 r bond angles.  The method is applied to three different binary mixtures\,
  made of spherical particles.  This is an unsupervised approach using only
  structural information\; nevertheless the resulting communities are found
  to be correlated with particles' dynamical behaviour.\n\n[1] J. Paret\, R
 . L. Jack\, and D. Coslovich\, J. Chem. Phys. 152\, 144502 (2020).
LOCATION:virtual ZOOM meeting ID: 263 591 6003\, https://zoom.us/j/2635916
 003
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