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Renormalization in T T ¯-deformed nonintegrable theories
- 1.0567116 - FZÚ 2023 RIV US eng J - Článek v odborném periodiku
Chakrabarti, Subhroneel - Manna, A. - Raman, M.
Renormalization in T T ¯-deformed nonintegrable theories.
Physical Review D. Roč. 105, č. 10 (2022), č. článku 106025. ISSN 2470-0010. E-ISSN 2470-0029
Grant CEP: GA ČR GJ19-06342Y
Institucionální podpora: RVO:68378271
Klíčová slova: boson: chiral * ield theory: integrability * renormalization * S-matrix * deformation
Obor OECD: Particles and field physics
Impakt faktor: 5, rok: 2022
Způsob publikování: Open access
That the exact quantum S-matrix of TT over linedeformed field theories is known has interesting consequences for their perturbative renormalization. Recent investigations into the interplay between renormalization and integrable deformations have focused on those cases where the (undeformed) seed theories are integrable. In this paper, we study the perturbative renormalization of nonintegrable TT over linedeformed field theories, focusing on a theory of scalars with a quartic interaction. We show that in this theory, the 4-point 1-loop S-matrix exhibits features similar to its integrable cousins. We also carry out a similar analysis for the case of an integrable quantum field theory comprising a pair of chiral bosons. Our discussion of this latter theory supplies the first explicit example of a perturbative field theory computation in the formalism due to Sen.
Trvalý link: https://hdl.handle.net/11104/0338379
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