Speaker: George Linardopoulos (SIMIS)
Time: 2025-11-12 16:00-18:00
Location: 1510, SIMIS
Zoom Meeting ID:821 4715 6638 Passcode:088363
Abstract: This talk is about the computation of new boundary central charges from the observables of holographic defect CFTs. The defect CFTs are described by (codimension-1) domain wall versions of N = 4 SYM that are holographically dual to the D3-D5 and the D3-D7 probe-brane systems. Starting from the explicit expression of the improved energy-momentum tensor of N = 4 SYM, we will determine its two and three-point functions in the presence of the domain walls and extract the boundary central charges, to leading order in perturbation theory. In the same process, we will also determine the two and three-point function of the corresponding displacement operators.
About Speaker: George Linardopoulos is an Assistant Professor at SIMIS. He obtained his Ph.D. from the National and Kapodistrian University of Athens in 2015, after which he worked as a postdoc at the National Centre for Scientific Research “Demokritos”, the Wigner Research Centre for Physics and the Asia-Pacific Center for Theoretical Physics (APCTP).
His research focuses on Theoretical High Energy Physics, more precisely on Quantum Field and String Theory, Integrability, and the AdS/CFT correspondence.
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