Zobrazeno 1 - 10
of 123
pro vyhledávání: '"Luis F. Alday"'
Autor:
Luis F. Alday, Tobias Hansen
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 8, Pp 1-18 (2024)
Abstract We consider the Veneziano amplitude for the scattering of gluons in type IIB string theory on AdS 5 × S 5/ℤ 2 in the presence of D7 branes. On general grounds curvature corrections around flat space can be thought of as arising from the e
Externí odkaz:
https://doaj.org/article/26411ceb2cc942098f9b77ca8ea80d91
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 5, Pp 1-45 (2024)
Abstract We compute the AdS Veneziano amplitude for type IIB gluon scattering in AdS 5 × S 3 to all orders in α ′ in a small curvature expansion. This is achieved by combining a dispersion relation in the dual 4d N $$ \mathcal{N} $$ = 2 SCFT with
Externí odkaz:
https://doaj.org/article/1be011d446f24d1fb2a40e821f58c18e
Relations between integrated correlators in N $$ \mathcal{N} $$ = 4 supersymmetric Yang-Mills theory
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 5, Pp 1-44 (2024)
Abstract Integrated correlation functions in N $$ \mathcal{N} $$ = 4 supersymmetric Yang-Mills theory with gauge group SU(N) can be expressed in terms of the localised S 4 partition function, Z N , deformed by a mass m. Two such cases are C N = Im τ
Externí odkaz:
https://doaj.org/article/d496dea7faf743748a3af2b5fe79316a
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 2, Pp 1-19 (2024)
Abstract We study the AdS Virasoro-Shapiro amplitude in the limit of fixed-angle high energy scattering. A recent representation as a world-sheet integral allows to compute the amplitude in this regime by saddle point techniques, very much as in flat
Externí odkaz:
https://doaj.org/article/c7bed419ed75439f8703b62cf5a13dee
Autor:
Luis F. Alday, Tobias Hansen
Publikováno v:
Journal of High Energy Physics, Vol 2023, Iss 10, Pp 1-24 (2023)
Abstract We present a constructive method to compute the AdS Virasoro-Shapiro amplitude, order by order in AdS curvature corrections. At k th order the answer takes the form of a genus zero world-sheet integral involving weight 3k single-valued multi
Externí odkaz:
https://doaj.org/article/1bfe041f6d4143888f70e7dcca8afb4f
Publikováno v:
Journal of High Energy Physics, Vol 2023, Iss 8, Pp 1-21 (2023)
Abstract We study short operators in planar N $$ \mathcal{N} $$ = 4 SYM at strong coupling, for general spin and SO(6) symmetric traceless representations. At strong coupling their dimension grows like ∆ ~ 2 δ λ 1 / 4 $$ \Delta \sim 2\sqrt{\delta
Externí odkaz:
https://doaj.org/article/683dddcf89f340d59f0f3dc4c63bda57
Publikováno v:
Physical Review Research, Vol 6, Iss 1, p L012041 (2024)
We present a powerful new approach to compute tree-level higher-point holographic correlators. Our method only exploits the flat-space limit, where we point out an important simplification, and factorization of amplitudes in AdS. In particular, it ma
Externí odkaz:
https://doaj.org/article/d1a57cc0ec4746008dd4786e3a55dc0e
Publikováno v:
Journal of High Energy Physics, Vol 2022, Iss 12, Pp 1-36 (2022)
Abstract We determine the full 1/ λ $$ \sqrt{\uplambda} $$ correction to the flat-space Wilson coefficients which enter the AdS Virasoro-Shapiro amplitude in N $$ \mathcal{N} $$ = 4 SYM theory at strong coupling. The assumption that the Wilson coeff
Externí odkaz:
https://doaj.org/article/38c7d9daedee49879f425b9231d1870b
Publikováno v:
Journal of High Energy Physics, Vol 2022, Iss 11, Pp 1-23 (2022)
Abstract We study graviton scattering on AdS 4 × S 7, which is dual to the stress tensor multiplet four-point function in the maximally supersymmetric 3d U(N)1 × U(N) −1 ABJM theory. We compute 1-loop corrections to this holographic correlator co
Externí odkaz:
https://doaj.org/article/dfd387e78d52405b90eb02ed7fe1cebc
Publikováno v:
Journal of High Energy Physics, Vol 2022, Iss 10, Pp 1-31 (2022)
Abstract We consider the four-point correlator of the stress-energy tensor in N $$ \mathcal{N} $$ = 4 SYM, to leading order in inverse powers of the central charge, but including all order corrections in 1/λ. This corresponds to the AdS version of t
Externí odkaz:
https://doaj.org/article/d39c850c03e84cd09973465249413a40