Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
1997-09-16
Nucl.Phys.Proc.Suppl.63:919-921,1998
Physics
High Energy Physics
High Energy Physics - Lattice
3 pages, 3 colour eps figures. Presented at LATTICE97
Scientific paper
10.1016/S0920-5632(97)00941-9
In order to help the user in choosing the right action a performance comparison is done for seven improved actions. Six of them are Symanzik improved, one at tree-level and two at one-loop, all with or without tadpole improvement. The seventh is an approximate fixed point action. Observables are static on- and off-axis two-body potentials and four-body binding energies, whose precision is compared when the same amount of computer time is used by the programs.
Peisa Janne
Pennanen Petrus
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