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28 papers · 1 filter
Damaging 2D Quantum Gravity
C. F. Baillie, D. A. Johnston
We investigate numerically the behaviour of damage spreading in a Kauffman cellular automaton with quenched rules on a dynamical graph, which is equivalent to coupling the mo…
Simple Matrix Elements with Dynamical Fermions
The High Energy Monte Carlo Grand Challenge
We report on studies of simple matrix elements from simulations with two flavors of sea quarks, both staggered and Wilson. We show the decay constants of vector and pseudoscalar me…
The role of heavy fermions
Anna Hasenfratz, Thomas A. DeGrand
Heavy dynamical fermions with masses around the cut-off do not change the low energy physics apart from a finite renormalization of the gauge coupling. In this paper we study how l…
Scaling in Steiner Random Surfaces
C. F. Baillie, A. Irback, W. Janke +1
It has been suggested that the modified Steiner action functional has desirable properties for a random surface action. In this paper we investigate the scaling of the string tensi…
The nature of the thermal phase transition with Wilson quarks
Claude Bernard, Thomas A. DeGrand, Carleton DeTar +5
We describe a series of simulations of high temperature QCD with two flavors of Wilson quarks aimed at clarifying the nature of the high temperature phase found in current simulati…
Composite gauge field models with broken symmetries
B. S. Balakrishna, K. T. Mahanthappa
We present a generalization of the non-Abelian version of the models (also known as Grassmannian models) that involve composite gauge fields to accommodate partial break…