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DTSTAMP:20260915T073523Z
LAST-MODIFIED:20150407T195653Z
DTSTART:20150415T190000Z
DTEND:20150415T200000Z
UID:event1438@bu.edu
URL:http://physics.bu.edu/internal/events/show/1438
SUMMARY:Statistical Mechanics of Periodically-driven Open Quantum Systems
DESCRIPTION:Featuring Thomas Iadecola\n\nPart of the Preliminary Oral Exam.
	\n\nExamining Committee:  Claudio Chamon\, Michael El-Batanouny\, So-Young 
	Pi\, Anatoli Polkovnikov\n\nAbstract: \n Quantum systems driven periodicall
	y in time have received a great amount of theoretical and experimental atte
	ntion in recent years\, especially in the context of cold atomic gases.  Ho
	wever\, as a host of recent experiments illustrate\, driving solid-state ma
	terials out of equilibrium holds the promise to dramatically alter their eq
	uilibrium phase diagrams\, and even to induce new phases inaccessible at eq
	uilibrium.  Understanding the "periodic thermodynamics" of such driven syst
	ems\, which are inevitably open to the environment\, is necessary in order 
	to explore this exciting landscape theoretically.\n In this talk\, I will p
	rovide an overview of the current state of this problem\, and outline vario
	us results that speak to the "big picture" of periodic thermodynamics.  The
	 focus of the discussion will be on the possibility\, or impossibility\, of
	 periodically-driven systems reaching quasi-thermal steady states at long t
	imes when dissipation is included.  First\, I will explore a class of exact
	ly solvable models that allow one to study this question in detail. I will 
	discuss examples where systems in this class reach effective thermal steady
	 states\, and other examples where they do not\, and will comment on condit
	ions for the emergence of such steady states.  I will also discuss more rec
	ent results on the role of the bath in limiting the formation of effective 
	thermal steady states in more generic systems.\n\n![Tom](/resources/event-i
	mage/1438/991c5f0_original)
LOCATION:SCI 328\, 590 Commonwealth Avenue\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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