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Conformal Bootstrap in the Lightcone Limit
February 29, 20162:00 pm – 3:00 pm (CDT)

Conformal Bootstrap in the Lightcone Limit

Speaker:

Daliang Li (Johns Hopkins University)

Location:

Address:

Mitchell Institute for Fundamental Physics & Astronomy

College Station, Texas 77843

Event Details

In this talk, we will explore the structures of conformal field theories (CFTs) that emerge from the conformal bootstrap in the lightcone limit. We start by analyzing a 4-point function of real scalars, showing the existence of large spin, double-twist operators in unitary CFTs in d>2. These operators correspond to two-particle bound states in AdS and their anomalous dimensions correspond to the binding energies between the two particles. I will demonstrate the features of the binding energies arising from gauge and gravitational interactions. Then, using the 4-point function involving conserved currents and the stress energy tensor, I will establish a relation between the energy flux positivity in CFT and the attractiveness of gravity at large distances in AdS. Finally, I will use the bootstrap machinery to prove the conformal collider bounds for all unitarity CFTs in d>2.

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