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Bounding boundaries at phase transitions

In the last several decades, it has been recognized that the spatial boundaries of physical systems can exhibit remarkably rich behavior. While extensive research has focused on the boundaries of exotic quantum insulators, comparatively less attention has been given to the role of boundaries at classical or quantum phase transitions. In this talk, I will present recent advances in understanding boundary and defect physics near the Curie point of classical magnets, shedding light on fundamental constraints governing spontaneous symmetry breaking in such systems. I will also discuss related developments in quantum impurity physics, including a novel approach to the renowned Kondo problem.

  • Ciara Treanor

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