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BEGIN:VEVENT
DTSTAMP:20260917T052517Z
LAST-MODIFIED:20130301T192509Z
DTSTART:20130306T160000Z
DTEND:20130306T170000Z
UID:event1067@bu.edu
URL:http://physics.bu.edu/internal/events/show/1067
SUMMARY:The Harris Criterion and Fixed Spin Quenched Disorder 
DESCRIPTION:Featuring James Silva\n\nPart of the Preliminary Oral Exam.\n\n
	Examining Committee:  William Klein\, Rama Bansil\, Kevin Black\, Anders Sa
	ndvik\n\nAbstract: The search for universality has fascinated physicist for
	 greater part of the last half of a century. The effect of quenched disorde
	r on the physical properties of a material illicits the question of determi
	ning if a system with quenched disorder changes universality class and unde
	r which conditions. A. B. Harris developed a criterion to answer such quest
	ions for spin systems with quenched disorder in the\nform of dilution in th
	e 70's. I will present work on the applicability of the Harris criterion\no
	n spin systems with quenched fixed spin disorder in the Ising model that ad
	dresses the questions\nof when the Harris criterion must be modified. This 
	work will also necessitate exploring\nhow the pseudospinodal of the system 
	is affected by the quenched disorder. The applicability of\nsuch disorder i
	s seen in the physics of binary fluids in gels.
LOCATION:SCI 328\, 590 Commonwealth Avenue\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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