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The University of Southampton
Mathematical Sciences

String Theory Seminar - Higher spins, entanglement and time dependence in CFT_2/AdS_3, Professor Prem Kumar (Swansea University) Seminar

String Theory Seminar
Time:
13:00 - 14:00
Date:
17 May 2017
Venue:
Building 54, Room 10037 (Lecture Theatre 10B), Mathematical Sciences, University of Southampton, SO17 1BJ

For more information regarding this seminar, please email Francesco Aprile or Gavin Hartnett at F.Aprile@southampton.ac.uk, G.S.Hartnett@southampton.ac.uk .

Event details

We review some universal aspects of Renyi entropies of entanglement, in equilibrium and with local quenches, in 2d CFTs with W-symmetry, in the presence of chemical potentials for higher spin charge. We explain how these results are nontrivially reproduced by bulk higher spin black holes in the Chern-Simons formulation of higher spins on AdS_3. We use the bulk formulation to show that bounds on the scrambling time are violated in the presence of higher spin charge, and present some CFT results on scrambling time in the presence of higher spin chemical potentials.

Speaker information

Professor Prem Kumar, Swansea University. Areas of expertise include Quantum Field Theory, String Theory, AdS/CFT correspondence, Black Holes, Thermal Field Theory, Supersymmetric Gauge Theories & Random Matrix Models.

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