507 citations · 2.6k across the 38 of their papers we have counts for
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hep-lat1998★ 32 cited
The theoretical background and properties of perfect actions
Peter Hasenfratz
This lecture note starts with a pedagogical introduction to the theoretical background and properties of perfect actions, gives some details on topology and instanton solutions and…
hep-lat1998★ 253 cited
Lattice QCD without tuning, mixing and current renormalization
Peter Hasenfratz
The classically perfect action of QCD requires no tuning to get the pion massless in the broken phase: the critical bare mass is zero. Neither the vector nor the flavour no…
hep-lat1998★ 507 cited
The index theorem in QCD with a finite cut-off
Peter Hasenfratz, Victor Laliena, Ferenc Niedermayer
The fixed point Dirac operator on the lattice has exact chiral zero modes on topologically non-trivial gauge field configurations independently whether these configurations are smo…