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BEGIN:VEVENT
DTSTAMP:20260917T183214Z
LAST-MODIFIED:20150408T131401Z
DTSTART:20150417T193000Z
DTEND:20150417T203000Z
UID:event1389@bu.edu
URL:http://physics.bu.edu/internal/events/show/1389
SUMMARY:QFT entanglement bounds from expanding universe and from thermodyna
	mics
DESCRIPTION:Featuring John McGreevy\, University of California\, San Diego\
	n\nPart of the HET Seminar Series.\n\nAbstract:\nIn the groundstates of int
	eracting quantum field theories (QFTs) and interesting states of matter\, t
	he microscopic degrees of freedom are entangled with each other. The struct
	ure of this entanglement\, and in particular its scaling with the size of a
	 subregion\, encodes characteristic features of quantum phases. Furthermore
	\, this scaling quantifies the resources required to construct an efficient
	 representation of the wavefunction. In this talk\, I will discuss some new
	 approaches to understanding the subregion entanglement entropy in groundst
	ates of local Hamiltonians in the frontier cases of gapped systems in d>1 a
	nd systems without a mass gap. The talk is based on 1407.8203 and work in p
	rogress with Brian Swingle.
LOCATION:PRB 595\, 3 Cummington Mall\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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