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VERSION:2.0
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METHOD:PUBLISH
BEGIN:VEVENT
DTSTAMP:20261025T053022Z
LAST-MODIFIED:20121116T203436Z
DTSTART:20101209T173000Z
DTEND:20101209T183000Z
UID:event743@bu.edu
URL:http://physics.bu.edu/internal/events/show/743
SUMMARY:Long-time diffusion of polydisperse hard disks and hard spheres
DESCRIPTION:Featuring Yayoi Terada\, Tohoku University\nHosted by: Shyamsun
	der Erramilli\n\nPart of the Collider Search Candidate Seminars.\n\nAbstrac
	t: The long-time diffusion process of hard disks is compared with that of h
	ard spheres by performing extensive event-driven molecular simulations. The
	 volume fraction dependence of the mean-square displacements\, and the self
	-intermediate scattering function of both systems are fully investigated. T
	he singular function\, which has been proposed by Tokuyama\, is found to de
	scribe the long-time self-diffusion coefficient of both hard disks and hard
	 spheres from liquid state to supercooled liquid state. The characteristic 
	times of the beta relaxation process and the alpha relaxation process of ha
	rd disks are also found to be similar to those of hard spheres when the par
	ticles had the same long-time self-diffusion coefficient. The spatial dimen
	sion d changes the value of the glass transition point and peak height of t
	he non-Gaussian parameter which are related to the geometric packing charac
	teristics of hard disks and hard spheres.
LOCATION:SCI 352\, 590 Commonwealth Avenue\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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