Generalisations of the Ginsparg-Wilson relation and a remnant of supersymmetry on the lattice (2008)
Bergner, Georg, Bruckmann, Falk, Pawlowski, Jan M.
We introduce a lattice symmetry relation for field theories with general linear symmetries. For chiral symmetry the well-known Ginsparg-Wilson relation is reproduced. The new relation encodes the...
Flow Equation for Supersymmetric Quantum Mechanics (2008)
Synatschke, Franziska, Bergner, Georg, Gies, Holger, Wipf, Andreas
We study supersymmetric quantum mechanics with the functional RG formulated in terms of an exact and manifestly off-shell supersymmetric flow equation for the effective action. We solve the flow...
Numerical Investigation of the 2D N=2 Wess-Zumino Model (2008)
Wozar, Christian, Bergner, Georg, Kaestner, Tobias, Uhlmann, Sebastian, Wipf, Andreas
We study lattice formulations of the two-dimensional N=2 Wess-Zumino model with a cubic superpotential. Discretizations with and without lattice supersymmetries are compared. We observe that the...
Two-Dimensional Wess-Zumino Models at Intermediate Couplings (2008)
Kaestner, Tobias, Bergner, Georg, Uhlmann, Sebastian, Wipf, Andreas, Wozar, Christian
We consider the two-dimensional N=(2,2) Wess-Zumino model with a cubic superpotential at weak and intermediate couplings. Refined algorithms allow for the extraction of reliable masses in a region...
Bergner, Georg, Bruckmann, Falk, Pawlowski, Jan M.
The Ginsparg-Wilson relation is extended to interacting field theories with general linear symmetries. Our relation encodes the remnant of the original symmetry in terms of the blocked fields and...
Supersymmetric lattice models in one and two dimensions (2007)
Kaestner, Tobias, Bergner, Georg, Uhlmann, Sebastian, Wipf, Andreas, Wozar, Christian
We study and simulate N=2 supersymmetric Wess-Zumino models in one and two dimensions. For any choice of the lattice derivative, the theories can be made manifestly supersymmetric by adding...
Low-dimensional Supersymmetric Lattice Models (2007)
Bergner, Georg, Kaestner, Tobias, Uhlmann, Sebastian, Wipf, Andreas
We study and simulate N=2 supersymmetric Wess-Zumino models in one and two dimensions. For any choice of the lattice derivative, the theories can be made manifestly supersymmetric by adding...