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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
BEGIN:VEVENT
SEQUENCE:1
UID:UW-Physics-Event-5083
DTSTART:20190426T190000Z
DTEND:20190426T201500Z
DTSTAMP:20260415T090728Z
LAST-MODIFIED:20190419T205524Z
LOCATION:5280 Chamberlin Hall
SUMMARY:Systematic expansion of tunneling rates\, Theory Seminar (High
  Energy/Cosmology)\, Björn Garbrecht\, Technical University Munich
DESCRIPTION:I will review the theory of tunneling in quantum mechanics
  and field theory to one-loop order. Then\, I will address how to syst
 ematically go beyond this approximation in an expansion based on Green
 's functions. One phenomenological relevance of this is that a consist
 ent calculation of the tunneling rate in the Standard Model and beyond
  requires a one-loop resummation. Finally\, the standard Euclideanized
  calculation of tunneling rates is related to a derivation based on re
 al-time amplitudes.
URL:https://www.physics.wisc.edu/events/?id=5083
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