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BEGIN:VEVENT
DTSTAMP:20260814T121958Z
LAST-MODIFIED:20190812T191439Z
DTSTART:20190816T160000Z
DTEND:20190816T170000Z
UID:event2161@bu.edu
URL:http://physics.bu.edu/internal/events/show/2161
SUMMARY:Summer Student Seminar
DESCRIPTION:Featuring Brian Dawes (BIO) and David Long (CMT)\nHosted by: Er
	ic Boyers\n\nPart of the Graduate Student Council Events.\n\nBrian Dawes (B
	IO)\nAn introduction to optical tweezers\n\nOptical tweezers are an importa
	nt technique in the biophysics toolkit. Their importance was recognized by 
	the 2018 Nobel Prize\, which was awarded to Arthur Ashkin for the invention
	 of optical tweezers. In this talk\, I will review the history of optical t
	weezers\, how they work\, and what they can be used for. I will also give a
	 quick rundown of the optical tweezers setup being built in the Kamenetska 
	lab.\n\nDavid Long (CMT)\nFloquet topological insulators\n\nFor several dec
	ades the role of topology in condensed matter physics has been a topic of i
	ntense study. A major result of this effort has been to characterize static
	\, gapped systems of non-interacting fermions -- topological insulators -- 
	in terms of their topology. While topological insulators are now well under
	stood\, in more recent years it has been realized that similar phenomena ca
	n occur in systems which are not static\, but instead periodically driven. 
	Periodically driven systems are called "Floquet". I will provide an introdu
	ction to the theory of Floquet topological insulators\, and provide example
	s of the kinds of topological features these systems can exhibit. While som
	e of these features are familiar from the case of static topological insula
	tors\, others are unique to the driven case.
LOCATION:SCI 352\, 590 Commonwealth Avenue\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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