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BEGIN:VEVENT
DTSTAMP:20260910T222112Z
LAST-MODIFIED:20210301T050030Z
DTSTART:20210303T190000Z
DTEND:20210303T200000Z
UID:event2400@bu.edu
URL:http://physics.bu.edu/internal/events/show/2400
SUMMARY:Aspects of Spontaneous Symmetry Breaking in the Lightcone Conformal
	 Truncation Method
DESCRIPTION:Featuring Kyriakos Grammatikos\, Boston University\, Physics De
	partment\n\nPart of the Preliminary Oral Exam.\n\nThe task of obtaining non
	-perturbative information about the structure of QFTs is known to be a form
	idable one. In the aforementioned category falls the study of critical poin
	ts and phase transitions\, which is of particular interest in relativistic 
	field theory\, because they arise when the system develops long range inter
	actions\, and in turn becomes scale invariant. Additionally\, many times th
	e starting theory from which the flow to a critical point points is also sc
	ale invariant. Recently\, a framework that explicitly takes advantage of th
	is structure has been developed\, called lightcone conformal truncation (LC
	T)\, in essence a computational tool that allows for appropriate truncation
	 of the Hilbert space of the theory\, all that while preserving explicit co
	nformal invariance expected to be seen in the beginning and the end of the 
	flow. After a brief introduction to the basic ingredients that go into LCT\
	, a relativistic massive boson in 1+1 dimensions\, in a quartic potential w
	ith a cubic deformation is studied. Using our computational tool\, we outli
	ne the phase diagram of this theory and attempt to characterize it\, using 
	data from the energy spectrum and correlation functions.
LOCATION: \, \, 
STATUS:CONFIRMED
CLASS:PUBLIC
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