Physics Group Meeting

Framed BPS States and Quantum Holonomies

I will describe a method for determining the spins of framed BPS states supported on line defects in 4d N=2 theories of class S. Via the 2d-4d correspondence, this amounts to constructing quantum holonomies on a punctured Riemann surface. The main ingredients are the nonabelianization map provided by spectral networks, and the skein algebra in 3 dimensions.References:My paper: http://arxiv.org/abs/1603.05258
Framed BPS States: http://arxiv.org/abs/1006.0146
Spectral Networks: http://arxiv.org/abs/1204.4824 http://arxiv.org/abs/1209.0866
Spectral Networks with Spin: https://arxiv.org/abs/1408.0207
Quantum Trace for SL(2): http://arxiv.org/abs/1003.5250

Date & Time

April 27, 2016 | 1:30pm – 3:00pm

Location

Bloomberg Hall Physics Library

Speakers

Discussion Group led by Maxime Gabella

Affiliation

Member, School of Natural Sciences, IAS

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