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Theoretical Physics III

Würzburg Seminar on Quantum Field Theory and Gravity

Mass gap and confinement in AdS
Date: 04/16/2024, 2:15 PM - 04/25/2024, 3:15 PM
Organizer: Lehrstuhl für Theoretische Physik III
Speaker: Ziming Ji

Anti-de-Sitter space as a rigid spacetime could be used as an infra-red cutoff for quantum field theories. It also allows interpolation between weak coupling and strong coupling, and phase transitions in the bulk manifest themselves as transitions between boundary conditions. I will discuss phase transitions in two dimensional solvable models and explain them using the boundary conformal theories. In doing this, a mechanism relevant for the quantum phase transition of the Yang-Mills theory in higher dimensions is conjectured.

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