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37 papers · 1 filter
Remarks on the reweighting method in the chemical potential direction
Shinji Ejiri
We comment on the reweighting method in the chemical potential direction. We study the fluctuation of the reweighting factor during Monte-Carlo steps. We find that it…
Mass Generation without Phase Coherence at Nonzero Temperature
Costas G. Strouthos, David N. Walters
We present results from numerical simulations of the 2+1d SU(2)xSU(2) Nambu - Jona-Lasinio model with N_f=4 fermion flavours at zero and nonzero temperature T. At zero temperature,…
Transverse lattice calculation of the pion light-cone wavefunctions
S. Dalley, B. van de Sande
We calculate the light-cone wavefunctions of the pion by solving the meson boundstate problem in a coarse transverse lattice gauge theory using DLCQ. A large-N_c approximation is m…
Gravity and Form Scattering and Renormalisation of Gravity in Six and Eight Dimensions
David C. Dunbar, Nicolaus W. P. Turner
We calculate one-loop scattering amplitudes for gravitons and two-forms in dimensions greater than four. The string based Kawai-Lewellen-Tye relationships allow gravitons and two-f…
New Results from Glueball Superpotentials and Matrix Models: the Leigh-Strassler Deformation
Timothy J. Hollowood
Using the result of a matrix model computation of the exact glueball superpotential, we investigate the relevant mass perturbations of the Leigh-Strassler marginal ``q'' deformatio…
Exact Mesonic Vacua From Matrix Models
Kazutoshi Ohta
We investigate in detail the structure of mesonic vacua of N=1 U(Nc) supersymmetric gauge theory with Nf flavors from the matrix model. We show that the Witten index from the matri…