Abstract
In the context of boundary conformal field theory, we derive a sum rule that relates two and three point functions of the displacement operator. For four dimensional conformal field theory with a three dimensional boundary, this sum rule in turn relates the two boundary contributions to the anomaly in the trace of the stress tensor. We check our sum rule for a variety of free theories and also for a weakly interacting theory, where a free scalar in the bulk couples marginally to a generalized free field on the boundary.
Original language | English |
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Article number | 121 |
Journal | Journal of High Energy Physics |
Volume | 2022 |
Issue number | 1 |
Early online date | 21 Jan 2022 |
DOIs | |
Publication status | Published - Jan 2022 |
Keywords
- Anomalies in Field and String Theories
- Boundary Quantum Field Theory
- Conformal Field Theory