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42 papers · 1 filter
Lunin-Maldacena Deformations With Three Parameters
Aybike Catal-Ozer
We examine the solution generating symmetries by which Lunin and Maldacena have generated the gravity duals of beta-deformations of certain field theories. We identify the O(2,2,R)…
A Causal Algebra for Liouville Exponentials
Chris Ford, George Jorjadze
A causal Poisson bracket algebra for Liouville exponentials on a cylinder is derived using an exchange algebra for free fields describing the in and out asymptotics. The causal alg…
High-accuracy critical exponents of O(N) hierarchical sigma models
J. J. Godina, L. Li, Y. Meurice +1
We perform high-accuracy calculations of the critical exponent gamma and its subleading exponent for the 3D O(N) Dyson's hierarchical model, for N up to 20. We calculate the critic…
Mesons at high temperature in Nf=2 QCD
Gert Aarts, Chris Allton, Richie Morrin +4
We report first results for spectral functions of charmonium in 2-flavour QCD. The spectral functions are determined from vector and pseudoscalar correlators on a dynamical, anisot…
Non-commutative moduli spaces of topological D-branes
C. I. Lazaroiu
We give a general construction of extended moduli spaces of topological D-branes as non-commutative algebraic varieties. This shows that noncommutative symplectic geometry in the s…
Light-Quark FLIC Fermion Simulations of the Exotic Meson
J. N. Hedditch, W. Kamleh, B. G. Lasscock +3
We investigate the mass of the exotic meson, created with hybrid interpolating fields. Access to light quark masses approaching 25 MeV is facilitated by the use of the Fat…