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The Discrete Charm of Scale Invariance

Ubirajara van Kolck, Centre National de la Recherche Scientifique and University of Arizona
Monday, March 28, 2022 - 4:00pm
PAA A-102

Nature is certainly not invariant under changes of scale. Phenomena and laws are characterized by parameters that determine their physical dimensions. However, while the complexity of some many-body systems may stem from a profusion of distinct scales, rich structures exist even when there is no more than one essential scale associated with "discrete" scale invariance. I will discuss how intrinsically quantum-mechanical structures with unique properties, sometimes labeled "Efimov physics", emerge in nuclear and some closely related atomic systems from a contact three-body force.

Colloquium recording (UW NetID required)

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