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DTSTAMP:20261021T134805Z
LAST-MODIFIED:20140529T155504Z
DTSTART:20140606T180000Z
DTEND:20140606T190000Z
UID:event1293@bu.edu
URL:http://physics.bu.edu/internal/events/show/1293
SUMMARY:Applying Conformal Field Theory Techniques to Solving 2D QCD Analyt
	ically
DESCRIPTION:Featuring Yiming Xu\n\nPart of the PhD Final Oral Exams.\n\nExa
	mining Committee:  Emanuel Katz\, Andrew Cohen\, Martin Schmaltz\, Claudio 
	Chamon\, Edward Kearns\n\nAbstract:\n\nWe formulate an analytic approach to
	 solving two-dimensional gauge theories. We find that in theories with conf
	inement\, in a conformal operator basis\, the decoupling of high scaling-di
	mension operators from the low-energy spectrum occurs exponentially fast in
	 their scaling-dimension. Consequently the low-energy spectrum of a strongl
	y coupled system like QCD can be calculated using a truncated conformal bas
	is\, to an accuracy parametrized exponentially by the cutoff dimension. We 
	apply the conformal basis approach in two models\, a two-dimensional QCD wi
	th an adjoint fermion at large N\, and a two-dimensional QCD with a fundame
	ntal fermion at finite N. It is shown that the low energy spectrum converge
	s efficiently in both cases.\n\n![Yiming Xu](/resources/event-image/1293/38
	cb759_small)
LOCATION:PRB 595\, 3 Cummington Mall\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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