Zobrazeno 1 - 10
of 166
pro vyhledávání: '"Staudacher, Matthias"'
Autor:
Kade, Moritz, Staudacher, Matthias
We consider the double scaling limit of $\beta$-deformed planar N = 4 supersymmetric Yang-Mills theory (SYM), which has been argued to be conformal and integrable. It is a special point in the three-parameter space of double-scaled $\gamma_i$-deforme
Externí odkaz:
http://arxiv.org/abs/2408.05805
Autor:
Kade, Moritz, Staudacher, Matthias
Publikováno v:
JHEP 01 (2024) 050
We study the free energy of an integrable, planar, chiral and non-unitary four-dimensional Yukawa theory, the bi-fermion fishnet theory discovered by Pittelli and Preti. The typical Feynman-diagrams of this model are of regular "brick-wall"-type, rep
Externí odkaz:
http://arxiv.org/abs/2309.16640
Autor:
Ahn, Changrim, Staudacher, Matthias
In earlier work we proposed a generating function that encodes the Jordan block spectrum of the integrable Hypereclectic spin chain, related to the one-loop dilatation operator of the dynamical fishnet quantum field theory. We significantly improve t
Externí odkaz:
http://arxiv.org/abs/2207.02885
The one-loop dilatation operator in the holomorphic 3-scalar sector of the dynamical fishnet theory is studied. Due to the non-unitary nature of the underlying field theory this operator, dubbed the eclectic spin chain Hamiltonian, is non-diagonalisa
Externí odkaz:
http://arxiv.org/abs/2112.04506
We extend the recently developed Yangian bootstrap for Feynman integrals to Minkowski space, focusing on the case of the one-loop box integral. The space of Yangian invariants is spanned by the Bloch-Wigner function and its discontinuities. Using onl
Externí odkaz:
http://arxiv.org/abs/2012.07852
Autor:
Ahn, Changrim, Staudacher, Matthias
We refine the recently introduced notion of eclectic spin chains by including a maximal number of deformation parameters. These models are integrable, nearest-neighbor n-state spin chains with exceedingly simple non-hermitian Hamiltonians. They turn
Externí odkaz:
http://arxiv.org/abs/2010.14515
Autor:
Corcoran, Luke, Staudacher, Matthias
The dual conformal box integral in Minkowski space is not fully determined by the conformal invariants $z$ and $\bar{z}$. Depending on the kinematic region its value is on a 'branch' of the Bloch-Wigner function which occurs in the Euclidean case. Du
Externí odkaz:
http://arxiv.org/abs/2006.11292
We investigate the one-loop spectral problem of $\gamma$-twisted, planar $\mathcal{N}$=4 Super Yang-Mills theory in the double-scaling limit of infinite, imaginary twist angle and vanishing Yang-Mills coupling constant. This non-unitary model has rec
Externí odkaz:
http://arxiv.org/abs/1812.08794
Autor:
Kanning, Nils, Staudacher, Matthias
Publikováno v:
JHEP 04 (2019) 070
We attempt to systematically derive tree-level scattering amplitudes in four-dimensional, planar, maximally supersymmetric Yang-Mills theory from integrability. We first review the connections between integrable spin chains, Yangian invariance, and t
Externí odkaz:
http://arxiv.org/abs/1811.04949
Publikováno v:
JHEP 1703 (2017) 131
In this paper, we continue our study of form factors and correlation functions of gauge-invariant local composite operators in the twistor-space formulation of N=4 super Yang-Mills theory. Using the vertices for these operators obtained in our recent
Externí odkaz:
http://arxiv.org/abs/1611.08599