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BEGIN:VEVENT
DTSTAMP:20260912T132350Z
LAST-MODIFIED:20121116T203436Z
DTSTART:20090916T175000Z
DTEND:20090916T185000Z
UID:event496@bu.edu
URL:http://physics.bu.edu/internal/events/show/496
SUMMARY:Quantum critical states and phase transitions in the presence of no
	n equilibrium noise
DESCRIPTION:Featuring Emanuele Dalla Torre\, The Weizmann Institute \n\nPar
	t of the Condensed Matter Theory Seminar Series.\n\nAbstract:\nQuantum crit
	ical points are characterized by scale invariant correlations and correspon
	dingly long ranged entanglement. We investigate the effect of external nois
	e sources on quantum critical points. It is natural to expect that noise wi
	ll have a similar effect to finite temperature\, destroying the subtle corr
	elations underlying the quantum critical behavior. Surprisingly we find tha
	t in many interesting situations the ubiquitous 1/f noise preserves the cri
	tical correlations. The emergent states show intriguing interplay of intrin
	sic quantum critical and external noise driven fluctuations. We demonstrate
	 this general phenomenon with specific examples in solid state and ultracol
	d atomic systems.
LOCATION:SCI 328\, 590 Commonwealth Avenue\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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