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BEGIN:VEVENT
DTSTAMP:20261022T021444Z
LAST-MODIFIED:20121116T203436Z
DTSTART:20110202T160000Z
DTEND:20110202T170000Z
UID:event767@bu.edu
URL:http://physics.bu.edu/internal/events/show/767
SUMMARY:The Many-body localization transition- Breakdown of themalization i
	n highly excited states
DESCRIPTION:Featuring Arijeet Pal\, Princeton University\n\nPart of the Con
	densed Matter Theory Seminar Series.\n\nAbstract: Quantum systems with inte
	ractions and disorder have attracted our attention since Anderson's seminal
	 paper in 1958. His discovery gave birth to the field of localization of no
	n-interacting degrees of freedom leaving the question of thermal equilibriu
	m largely unexplored. Our work aims to explore the dynamical properties of 
	a generic\, isolated\, interacting quantum spin system in the presence of d
	isorder. We find a dynamical quantum phase transition at high energy densit
	ies between the ergodic phase which thermally equilibrates and the localize
	d phase which fails to equilibrate or to serve as its own heat bath (This i
	s the phenomena which we call many-body localization). In this talk I will 
	discuss the measures which we use to probe some of the properties of the 2 
	phases and the transition between them. Based on our preliminary analysis w
	e make some tentative predictions about this interesting and putatively new
	 class of transitions.\n\nCollaborators:-\na) Prof. David Huse (Princeton U
	niversity)\nb) Prof. Vadim Oganesyan (City University of New York\, Staten 
	Island)\n\nReferences:-\na) Phys. Rev. B 82\, 174411 (2010)\nb) Phys. Rev. 
	B 80\, 115104 (2009)
LOCATION:SCI 328\, 590 Commonwealth Avenue\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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