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DTSTAMP:20260918T221829Z
LAST-MODIFIED:20140415T145503Z
DTSTART:20140415T193000Z
DTEND:20140415T203000Z
UID:event1254@bu.edu
URL:http://physics.bu.edu/internal/events/show/1254
SUMMARY:The 3d Ising Spectrum Minimizes c
DESCRIPTION:Featuring David Simmons-Duffin\, Institute for Advanced Study\n
	\nPart of the HET Seminar Series.\n\nAbstract:\nWe use the conformal bootst
	rap to perform a precision study of the operator spectrum of the critical 3
	d Ising model. We conjecture that the 3d Ising spectrum minimizes the centr
	al charge c in the space of unitary solutions to crossing symmetry. Because
	 extremal solutions to crossing symmetry are uniquely determined\, we are a
	ble to precisely reconstruct the first several Z2-even operator dimensions 
	and their OPE coefficients. We observe that a sharp transition in the opera
	tor spectrum occurs at the 3d Ising dimension Delta_sigma=0.518154(15)\, an
	d find strong numerical evidence that operators decouple from the spectrum 
	as one approaches the 3d Ising point. We compare this behavior to the analo
	gous situation in 2d\, where the disappearance of operators can be understo
	od in terms of degenerate Virasoro representations.
LOCATION:PRB 595\, 3 Cummington Mall\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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