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30 papers · 2 filters
Towards a two-parameter q-deformation of AdS_3 x S^3 x M^4 superstrings
Ben Hoare
We construct a two-parameter deformation of the Metsaev-Tseytlin action for supercosets with isometry group of the form G x G. The resulting action is classically integrable and is…
Grassmannian Integrals as Matrix Models for Non-Compact Yangian Invariants
Nils Kanning, Yumi Ko, Matthias Staudacher
In the past years, there have been tremendous advances in the field of planar N=4 super Yang-Mills scattering amplitudes. At tree-level they were formulated as Grassmannian integra…
Double Wick rotating Green-Schwarz strings
Gleb Arutyunov, Stijn J. van Tongeren
Via an appropriate field redefinition of the fermions, we find a set of conditions under which light cone gauge fixed world sheet theories of strings on two different backgrounds a…
Filtrations in Dyson-Schwinger equations: next-to^{j} -leading log expansions systematically
Olaf Krueger, Dirk Kreimer
Dyson-Schwinger equations determine the Green functions in quantum field theory. Their solutions are triangular series in a coupling constant and an external scale p…
Fiber-Base Duality and Global Symmetry Enhancement
Vladimir Mitev, Elli Pomoni, Masato Taki +1
We show that the 5D Nekrasov partition functions enjoy the enhanced global symmetry of the UV fixed point. The fiber-base duality is responsible for the global symmetry enhancement…
One-Loop Partition Functions in Deformed SYM Theory
Jan Fokken, Matthias Wilhelm
We study the thermodynamic behaviour of the real - and -deformation of Super Yang-Mills theory on in the planar limit. These theories…