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Line Defects and Radiation in N=2 Conformal Theories

Articolo
Data di Pubblicazione:
2018
Abstract:
We study the conformal data of a generic superconformal line defect preserving half of the supercharges in a four-dimensional N=2 conformal theory. We prove a theory independent relation between the one-point function of the stress tensor in the presence of the line defect and the two-point function of the displacement operator. When the defect is interpreted as a heavy charged particle in a gauge theory, the result relates the energy emitted through bremsstrahlung with the coupling of the stress tensor to the particle at rest.
Tipologia CRIS:
03A-Articolo su Rivista
Elenco autori:
Bianchi L.; Lemos M.; Meineri M.
Autori di Ateneo:
BIANCHI Lorenzo
MEINERI Marco
Link alla scheda completa:
https://iris.unito.it/handle/2318/1849050
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/1849050/962206/PhysRevLett.121.141601%20(1).pdf
Pubblicato in:
PHYSICAL REVIEW LETTERS
Journal
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