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Counting Tensor Model Observables and Branched Covers of the 2-Sphere
(2014-02-04)
Lattice gauge theories of permutation groups with a simple topological action (henceforth permutation-TFTs) have recently found several applications in the combinatorics of quantum field theories (QFTs). They have been ...
Quantum MHV diagrams
Over the past two years, the use of on-shell techniques has deepened our understanding of the S-matrix of gauge theories and led to the calculation of many new scattering amplitudes. In these notes we review a particular ...
Dilogarithm ladders from Wilson loops
(2015-02-27)
Constraints on chiral operators in N=2 SCFTs
(Springer Verlag, 2014)
Abstract: We study certain higher-spin chiral operators in (formula presented)(formula presented) superconformal field theories (SCFTs). In Lagrangian theories, or in theories related to Lagrangian theories by generalized ...
Preparation and Characterisation of Binder-Free All-Cellulose Composites
(Queen Mary University of London, 2014-06-12)
A recent emerging concept of all-cellulose composites within the field of
environmentally friendly materials has received increasing attention. The main
advantage of these materials is the lack of using additional bonding ...
Chiral Ring Generating Functions & Branches of Moduli Space
We consider the worldvolume theory of N D3-branes transverse to various non-compact Calabi-Yau spaces, and describe subtleties in the counting of chiral primary operators in such theories due to the presence of multiple ...