Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Marco S Bianchi"'
Autor:
Marco S. Bianchi
Publikováno v:
Journal of High Energy Physics, Vol 2023, Iss 9, Pp 1-14 (2023)
Abstract We show that the two-point function of protected bi-scalar operators in N $$ \mathcal{N} $$ = 4 SYM evaluated in dimensional regularization exhibits a uniform transcendental weight up to three-loop order. We conjecture that this property hol
Externí odkaz:
https://doaj.org/article/a058edf4b44a418eaec746a51f5cb18c
Autor:
Marco S. Bianchi
Publikováno v:
Journal of High Energy Physics, Vol 2023, Iss 7, Pp 1-15 (2023)
Abstract We present the three-point function of two spin-two and one scalar twist-two operators in 𝒩 = 4 SYM up to three perturbative orders at weak coupling, obtained via a direct Feynman diagrammatic calculation.
Externí odkaz:
https://doaj.org/article/7ecd5f4c748e494880b2528b11a779a7
Autor:
Marco S. Bianchi
Publikováno v:
Journal of High Energy Physics, Vol 2023, Iss 9, Pp 1-1 (2023)
Externí odkaz:
https://doaj.org/article/ca07cfb2ecdb4c8ab394c0dadd0a1a1a
Autor:
Marco S. Bianchi
Publikováno v:
Journal of High Energy Physics, Vol 2020, Iss 10, Pp 1-45 (2020)
Abstract I consider three-point functions of twist-one operators in ABJM at weak coupling. I compute the structure constant of correlators involving one twist-one un-protected operator and two protected ones for a few finite values of the spin, up to
Externí odkaz:
https://doaj.org/article/16814fdd457d4aa5a6829b9766a56eda
Autor:
Marco S. Bianchi
Publikováno v:
Journal of High Energy Physics, Vol 2019, Iss 4, Pp 1-17 (2019)
Abstract I consider three-point functions of one protected and two unprotected twist-two operators ccwith spin in N = 4 $$ \mathcal{N}=4 $$ SYM at weak coupling. At one loop I formulate an empiric conjecture for the dependence of the corresponding st
Externí odkaz:
https://doaj.org/article/91b028306d9e4382be4c6789ba8e8584
Autor:
Marco S. Bianchi
Publikováno v:
Journal of High Energy Physics, Vol 2019, Iss 3, Pp 1-15 (2019)
Abstract Given the recent progress in computing three-point functions in N $$ \mathcal{N} $$ = 4 SYM via integrability, I provide here a novel direct calculation of some structure constants at weak coupling. The main focus is on correlators involving
Externí odkaz:
https://doaj.org/article/c25bfd8c9e0d4fc78c338170a8b1d326
Publikováno v:
Journal of High Energy Physics, Vol 2018, Iss 8, Pp 1-67 (2018)
Abstract In ABJ(M) theory, we propose a matrix model for the exact evaluation of BPS Wilson loops on a latitude circular contour, so providing a new weak-strong interpolation tool. Intriguingly, the matrix model turns out to be a particular case of t
Externí odkaz:
https://doaj.org/article/3bc8cbb51ea24723acc65832c4e94883
Autor:
Marco S. Bianchi, Matias Leoni
Publikováno v:
Physics Letters B, Vol 777, Iss , Pp 394-398 (2018)
We consider a planar double box with four massive external momenta and two massive internal propagators. We derive the system of differential equations for the relevant master integrals, cast it in canonical form, write it as a dlog form and solve it
Externí odkaz:
https://doaj.org/article/0b7603d4c15042048a15bfac4f142537
Autor:
Marco S. Bianchi, Andrea Mauri
Publikováno v:
Journal of High Energy Physics, Vol 2017, Iss 11, Pp 1-20 (2017)
Abstract We consider the Bremsstrahlung function associated to a 1/6-BPS Wilson loop in ABJM theory, with a cusp in the couplings to scalar fields. We non-trivially extend its recent four-loop computation at weak coupling to include non-planar correc
Externí odkaz:
https://doaj.org/article/11cf79a3a1844579abbda64e5a096ae4
Autor:
Marco S. Bianchi, Luca Griguolo, Andrea Mauri, Silvia Penati, Michelangelo Preti, Domenico Seminara
Publikováno v:
Journal of High Energy Physics, Vol 2017, Iss 8, Pp 1-40 (2017)
Abstract We present the three-loop calculation of the Bremsstrahlung function associated to the 1/2-BPS cusp in ABJM theory, including color subleading corrections. Using the BPS condition we reduce the computation to that of a cusp with vanishing an
Externí odkaz:
https://doaj.org/article/531d3380978a44f3a75bfd8936916c0e