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BEGIN:VEVENT
DTSTAMP:20260914T102432Z
LAST-MODIFIED:20160510T133224Z
DTSTART:20160518T150000Z
DTEND:20160518T160000Z
UID:event1605@bu.edu
URL:http://physics.bu.edu/internal/events/show/1605
SUMMARY:Disorder-induced entanglement in spin ice pyrochlores
DESCRIPTION:Featuring Lucile Savary\, MIT\n\nPart of the Condensed Matter T
	heory Seminar Series.\n\nWe propose that in a certain class of magnetic mat
	erials\, known as non-Kramers 'spin ice\,' disorder induces quantum entangl
	ement. Instead of driving glassy behavior\, disorder provokes quantum super
	positions of spins throughout the system\, and engenders an associated emer
	gent gauge structure and set of fractional excitations. More precisely\, di
	sorder transforms a classical phase governed by a large entropy\, classical
	 spin ice\, into a quantum spin liquid governed by entanglement. As the deg
	ree of disorder is increased\, the system transitions between (i) a "regula
	r" Coulombic spin liquid\, (ii) a phase known as "Mott glass\," which conta
	ins rare gapless regions in real space\, but whose behavior on long length 
	scales is only modified quantitatively\, and (iii) a true glassy phase for 
	random distributions with large width or large mean amplitude.
LOCATION:SCI 328\, 590 Commonwealth Avenue\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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