| Logarithmic doublets in celestial CFT |
| Beniamino Valsesia, SISSA, Trieste |
| Event Type: Informal HEP Talk |
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| Time: 2:00 PM - 3:00 PM |
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| Location: 726 Broadway, 940, CCPP Seminar |
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| Abstract: Celestial CFT is a challenging theory that exhibits several peculiar features, such as a vanishing central charge and the presence of logarithmic two-point functions—both of which are characteristic of classes of Logarithmic CFTs. We investigate the presence of logarithmic CFT doublets in the soft sector of celestial CFT related with supertranslations. We show that the quantum operator associated with a log(u) late-time behavior for the asymptotic gravitational shear forms a logarithmic CFT pair of conformal dimension Δ=1 with an IR-regulated supertranslation Goldstone current. We discuss this result in connection with previous encounters of log CFT structures in the IR-finite part of celestial OPEs. |