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Renormalization in T T ¯-deformed nonintegrable theories
- 1.0567116 - FZÚ 2023 RIV US eng J - Journal Article
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
R&D Projects: GA ČR GJ19-06342Y
Institutional support: RVO:68378271
Keywords : boson: chiral * ield theory: integrability * renormalization * S-matrix * deformation
OECD category: Particles and field physics
Impact factor: 5, year: 2022
Method of publishing: 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.
Permanent Link: https://hdl.handle.net/11104/0338379
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