Theory Seminar(Prof. Xi Yin)
Abstract
Topological defect lines in 2D generalize both global symmetries and Verlinde lines, and provide models of fusion categories without braiding. I will discuss their roles in CFTs and in constraining RG flows, and use them to determine the infrared (fully extended) topological quantum field theory in some examples of massive flows.
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Conference
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Colloquium
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Seminar
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談話会・交流会