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BEGIN:VEVENT
DTSTAMP:20260920T213242Z
LAST-MODIFIED:20191017T195230Z
DTSTART:20191016T201500Z
DTEND:20191016T211500Z
UID:event2197@bu.edu
URL:http://physics.bu.edu/internal/events/show/2197
SUMMARY:QFT from CFT
DESCRIPTION:Featuring Matthew Walters \, CERN\n\nPart of the HET Seminar Se
	ries.\n\nQuantum field theories describe RG flows between fixed points." Th
	is slogan provides a very useful qualitative picture\, but we would like to
	 make this statement more concrete and (ideally) more useful quantitatively
	. I will discuss a new proposed method for realizing this goal\, which uses
	 data from UV fixed points (i.e. CFTs) to numerically compute dynamical obs
	ervables in more general strongly-coupled QFTs. This approach uses low-dime
	nsion operators from the UV CFT to approximate the low energy eigenstates o
	f the full QFT Hamiltonian\, allowing us to study dynamics even at strong c
	oupling. After presenting a general framework which can be applied to QFTs 
	in any number of dimensions\, I will then discuss its application to a part
	icular 2D example where we can compare with known qualitative results\, as 
	well as recent ideas for applying this framework to gauge theories\, includ
	ing QCD.
LOCATION:PRB 595\, 3 Cummington Mall\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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