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30 papers · 1 filter
Quantum Integrability of Coupled N=1 Super Sine/Sinh-Gordon Theories and the Lie Superalgebra D(2,1;\A)
Jonathan M. Evans, Jens Ole Madsen
We discuss certain integrable quantum field theories in (1+1)-dimensions consisting of coupled sine/sinh-Gordon theories with N=1 supersymmetry, positive kinetic energy, and bosoni…
Gauge-Invariant Operators for Singular Knots in Chern-Simons Gauge Theory
J. M. F. Labastida, Esther Perez
We construct gauge invariant operators for singular knots in the context of Chern-Simons gauge theory. These new operators provide polynomial invariants and Vassiliev invariants fo…
Mass Perturbations in Twisted N=4 Supersymmetric Gauge Theories
J. M. F. Labastida, Carlos Lozano
Mass perturbations of the twisted N=4 supersymmetric gauge theory considered by Vafa and Witten to test S-duality are studied for the case of Kahler four-manifolds. It is shown tha…
Polarised Quark Distributions in the Nucleon from Semi-Inclusive Spin Asymmetries
Spin Muon Collaboration
We present a measurement of semi-inclusive spin asymmetries for positively and negatively charged hadrons from deep inelastic scattering of polarised muons on polarised protons and…
Kontsevich Integral for Vassiliev Invariants from Chern-Simons Perturbation Theory in the Light-Cone Gauge
J. M. F. Labastida, Esther Perez
We analyse the structure of the perturbative series expansion of Chern-Simons gauge theory in the light-cone gauge. After introducing a regularization prescription that entails the…
QCD relations between structure functions at small x
G. Parente, A. V. Kotikov
We present very simple non-integral relations between deep inelastic structure functions , and the gluon distribution at small based on perturbative QCD which are us…