11 citations · 11 across the 1 of their papers we have counts for
4 papers
Matching factors for Delta S=1 four-quark operators in RI/SMOM schemes
Christoph Lehner, Christian Sturm
The non-perturbative renormalization of four-quark operators plays a significant role in lattice studies of flavor physics. For this purpose, we define regularization-independent s…
Geometry dependence of RMT-based methods to extract the low-energy constants Sigma and F
Christoph Lehner, Jacques Bloch, Shoji Hashimoto +1
The lowest-order low-energy constants and of chiral pertubation theory can be extracted from lattice data using methods based on the equivalence of random matrix theory (RM…
Character expansion method for supergroups and extended superversions of the Leutwyler-Smilga and Berezin-Karpelevich integrals
C. Lehner, T. Wettig, T. Guhr +1
We introduce an extension of the character expansion method to the case of supergroups. This method allows us to calculate a superversion of the Leutwyler-Smilga integral which, to…
Lattice Gauge Theory
Hartmut Wittig
The status of lattice calculations in Quantum Field Theory is reviewed. A major part is devoted to recent progress in formulating exact chiral symmetry on the lattice. Another topi…