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BEGIN:VEVENT
DTSTAMP:20260914T033509Z
LAST-MODIFIED:20141208T142945Z
DTSTART:20141212T170000Z
DTEND:20141212T180000Z
UID:event1340@bu.edu
URL:http://physics.bu.edu/internal/events/show/1340
SUMMARY:Chaotic dynamics in quantum circuits
DESCRIPTION:Featuring Dr. Charles Neill\, UC Santa Barbara\nHosted by: Anat
	oli Polkovnikov\n\nPart of the Biophysics/Condensed Matter Seminar Series.\
	n\nAbstract:\nSuperconducting qubits allow for precise control over the evo
	lution of\nquantum states.  Here\, using three fully-coupled qubits\, we in
	vestigate\nthe quantum limit of a classically chaotic system.  Using a sequ
	ence of\nperiodic rotations and interactions\, we generate quantum dynamics
	\nanalogous to the classical evolution.   Surprisingly\, we find that maps 
	of\nthe resulting entanglement bear a striking resemblance to the classical
	\nphase space with chaotic regions entangling more rapidly than stable\nreg
	ions.  Furthermore\, we show that the quantum dynamics undergo both\nregula
	r and irregular motion through phase space with the deviations\nbetween qua
	ntum and classical behavior increasing as a function of\ninteraction streng
	th.  Our experiment highlights the potential for\nsuperconducting qubits to
	 explore complex dynamics in driven interacting\nquantum systems.
LOCATION:SCI 352\, 590 Commonwealth Avenue\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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