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SUMMARY:Glasses\, Jamming and Spin Glasses - Prof. Mike Moore FRS\, Univer
 sity of Manchester.
DTSTART:20090514T131500Z
DTEND:20090514T141500Z
UID:TALK17969@talks.cam.ac.uk
CONTACT:Joe Bhaseen
DESCRIPTION:The glass problem has been around for decades. The task is to 
 provide a quantitative description of the growing relaxational timescales 
 which arise as the temperature is lowered in supercooled liquids. In recen
 t years it has been discovered that associated with the growing timescale 
 there is an increasing lengthscale. Using an effective potential method\, 
 a replica formalism is set up for describing supercooled liquids near thei
 r glass transition. The resulting potential is equivalent to that for an I
 sing spin glass in a magnetic field. Results taken from the droplet pictur
 e of spin glasses are then used to provide an explanation of the main feat
 ures of fragile glasses. Finally\, some preliminary results from simulatio
 ns of the jamming of hard discs will be shown and used to provide a quanti
 tative test of the spin glass approach. 
LOCATION:TCM Seminar Room\, Cavendish Laboratory
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