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DTSTAMP:20260815T093230Z
LAST-MODIFIED:20180507T190737Z
DTSTART:20180509T200000Z
DTEND:20180509T210000Z
UID:event1950@bu.edu
URL:http://physics.bu.edu/internal/events/show/1950
SUMMARY:"Phases of Conformal Field Theory at Higher Genus\, Modular Bootstr
	ap and Entanglement Entropy"
DESCRIPTION:Featuring Alexander Maloney\, McGill University\n\nPart of the 
	HET Seminar Series.\n\nTwo dimensional conformal field theories are among t
	he most important quantum field theories: they describe important statistic
	al and condensed matter systems near criticality\, and -- while not exactly
	 solvable -- many exact techniques can be used which are not available in h
	igher dimensions.  I will consider these theories defined on surfaces of ge
	nus g>1\, where the partition function of the theory can be interpreted as 
	an entanglement Renyi entropy.  This leads to a fascinating relationship be
	tween (higher genus) modular invariance and information theory.  I will des
	cribe novel uses of higher genus modular invariance to constrain the struct
	ure constants of the theory. I will also discuss a new class of phase trans
	itions which occur in holographic CFTs\, which imply that Renyi entropies a
	re not analytic functions of the Renyi parameter.
LOCATION:PRB 595\, 3 Cummington Mall\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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