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MV
Marianne Vestgaard
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Heterotic Flux Attractors
Alexey Stavtsev
et al.
Jun 25, 2010
We find attractor equations describing moduli stabilization for heteroticcompactifications with generic SU(3)-structure. Complex structure and K\"ahlermoduli are treated on equal footing by using SU(3)xSU(3)-structure atintermediate steps. All independent vacuum data, including VEVs of thestabilized moduli, is encoded in a pair of generating functions that depend onfluxes alone. We work out an explicit example that illustrates our methods.
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The Yangian origin of the Grassmannian integral
Albert Ingold
et al.
Feb 25, 2010
In this paper we analyse formulas which reproduce different contributions toscattering amplitudes in N=4 super Yang-Mills theory through a Grassmannianintegral. Recently their Yangian invariance has been proved directly by usingthe explicit expression of the Yangian level-one generators. The specificcyclic structure of the form integrated over the Grassmannian enters in acrucial way in demonstrating the symmetry. Here we show that the Yangiansymmetry fixes this structure uniquely.
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Fermionic Correlators from Integrability
Pierguido Sarti
et al.
Jul 8, 2016
We study three-point functions of single-trace operators in the su(1|1)sector of planar N = 4 SYM borrowing several tools based on Integrability. Inthe most general configuration of operators in this sector, we have found adeterminant expression for the tree-level structure constants. We then comparethe predictions of the recently proposed hexagon program against all availabledata. We have obtained a match once additional sign factors are included whenthe two hexagon form-factors are assembled together to form the structureconstants. In the particular case of one BPS and two non-BPS operators wemanaged to identify the relevant form-factors with a domain wall partitionfunction of a certain six-vertex model. This partition function can beexplicitly evaluated and factorizes at all loops. In addition, we use thisresult to compute the structure constants and show that at strong coupling inthe so-called BMN regime, its leading order contribution has a determinantexpression.
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