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DTSTART;TZID=America/New_York:20240426T103000
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DTSTAMP:20260503T112542
CREATED:20240416T135637Z
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UID:10001516-1714127400-1714132800@cmsa.fas.harvard.edu
SUMMARY:What Observables are Safe to Calculate?
DESCRIPTION:Quantum Matter in Mathematics and Physics Seminar \nSpeaker: Jesse Thaler\, MIT \nTitle: What Observables are Safe to Calculate? \nAbstract: In collider physics\, perturbative quantum field theory is the workhorse framework for computing theoretical predictions to compare to experimental measurements. An observable is called “safe” if its cross section can be predicted order-by-order in perturbation theory with controlled non-perturbative corrections. In this talk\, I show that naive definitions of “safety” are inadequate to determine which observable are perturbatively calculable. I then argue for a more refined definition of safety based on principles from optimal transport theory.
URL:https://cmsa.fas.harvard.edu/event/qm_42624_2/
LOCATION:CMSA Room G10\, CMSA\, 20 Garden Street\, Cambridge\, MA\, 02138\, United States
CATEGORIES:Quantum Matter
ATTACH;FMTTYPE=image/png:https://cmsa.fas.harvard.edu/media/CMSA-QMMP-04.26.2024.png
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