We present results of lattice QCD simulations with mass-degenerate up and down and mass-split strange and charm (Nf = 2 + 1 + 1) dynamical quarks using Wilson twisted mass fermions at maximal twist.â€¦ (More)

The perspectives of numerical simulations in supersymmetric quantum field theories with vector-like gauge symmetries are discussed. A numerical simulation algorithm for SU(2) gauge theory withâ€¦ (More)

LÃ¼scherâ€™s local bosonic algorithm for Monte Carlo simulations of quantum field theories with fermions is applied to the simulation of a possibly supersymmetric Yang-Mills theory with a Majoranaâ€¦ (More)

The effect of changing the lattice action for the gluon field on the recently observed [1] first order phase transition near zero quark mass is investigated by replacing the Wilson plaquette actionâ€¦ (More)

R. Barona, B. Blossierb, P. Boucaudb, J. Carbonellc, A. Deuzemand , V. Drache, F. Farchioni f , V. Gimenezg, G. Herdoizae, K. Jansene, C. Michaelh, I. Montvayi, E. Pallante j, O. PÃ¨neb, S. Rekerâˆ—â€ jâ€¡,â€¦ (More)

Quadratically optimized polynomials are described which are useful in multi-bosonic algorithms for Monte Carlo simulations of quantum field theories with fermions. Algorithms for the computation ofâ€¦ (More)

The spectrum of particles in supersymmetric Yang-Mills theory is expected to contain a spin 1/2 bound state of gluons and gluinos, the gluino-glue particle. We study the mass of this particle inâ€¦ (More)