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38 papers · 1 filter
Recent Lattice QCD Results from the UKQCD Collaboration
C. R. Allton
The lattice technique of studying the strong interaction of matter is used to obtain predictions of the hadronic spectrum. These simulations were performed by the UKQCD collaborati…
The residual mass in Lattice Heavy Quark Effective Theory to alpha^3 order
F. Di Renzo, L. Scorzato
We determine to order alpha^3 in the quenched approximation the so-called residual mass in the lattice regularisation of the Heavy Quark Effective Theory. We follow a gauge-invaria…
A consistency check for Renormalons in Lattice Gauge Theory: beta^(-10) contributions to the SU(3) plaquette
F. Di Renzo, L. Scorzato
We compute the perturbative expansion of the Lattice SU(3) plaquette to beta^(-10) order. The result is found to be consistent both with the expected renormalon behaviour and with…
Cosmological Phase Transitions in a Brane World
Stephen C. Davis, Warren B. Perkins, Anne-Christine Davis +1
In brane world scenarios the Friedmann equation is modified, resulting in an increased expansion at early times. This has important effects on cosmological phase transitions which…
Instantons, Compactification and S-duality in N=4 SUSY Yang-Mills Theory II
Nick Dorey, Andrei Parnachev
We present a semiclassical calculation of instanton effects in N=4 supersymmetric Yang-Mills theory formulated on R^{3}XS^{1} and also in the N=1 theory obtained by introducing chi…
The D-Instanton Partition Function
Nick Dorey, Timothy J. Hollowood, Valentin V. Khoze
The D-instanton partition function is a fascinating quantity because in the presence of N D3-branes, and in a certain decoupling limit, it reduces to the functional integral of N=4…