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DTSTART:20070311T020000
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BEGIN:VEVENT
DTSTAMP:20240930T114059
DTSTART;TZID=America/Detroit:20241004T150000
DTEND;TZID=America/Detroit:20241004T160000
SUMMARY:Lecture / Discussion:HET Seminar | Fusing conformal defects in higher dimensions
DESCRIPTION:We study operator algebra of extended conformal defects in more than two spacetime dimensions. Such algebra structure encodes the combined effect of multiple impurities on physical observables at long distances as well as the interactions among the impurities. These features are formalized by a fusion product which we define for a pair of defects\, after isolating divergences that capture the effective potential between the defects. These divergences generalize the usual Casimir energy and define a novel effective field theory for defects. We discuss general properties of the corresponding fusion algebra and give explicit examples. We also derive universal formulas for defect structure constants from the defect effective field theory.
UID:125098-21854408@events.umich.edu
URL:https://events.umich.edu/event/125098
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:High Energy Theory Seminar
LOCATION:West Hall - 340
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20240913T121015
DTSTART;TZID=America/Detroit:20241004T150000
DTEND;TZID=America/Detroit:20241004T160000
SUMMARY:Meeting:SoConDi
DESCRIPTION:The SoConDi group is both a discussion platform and a study group for students and faculty members who are interested in sociolinguistics\, language contact\, discourse analysis and related disciplines including linguistic anthropology. Members of the SoConDi group present their work in progress from time to time\, and discuss current issues in the disciplines\, or study selected readings together.
UID:126360-21857011@events.umich.edu
URL:https://events.umich.edu/event/126360
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Language Contact,Sociolinguistics
LOCATION:Off Campus Location - Lorch 473
CONTACT:
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