%0 Journal Article %1 Giedt:2003vy %A Giedt, Joel %D 2003 %J Nucl. Phys. %K D2 Determinant Lattice LatticeSusy N4 SYM SignProblem %P 259-270 %R 10.1016/j.nuclphysb.2003.09.045 %T The fermion determinant in (4,4) 2d lattice super-Yang- Mills %U http://www.slac.stanford.edu/spires/find/hep/www?eprint=hep-lat/0307024 %V B674 %X We find that the fermion determinant is not generally positive in a class of lattice actions recently constructed by Cohen et al. hep-lat/0307012; these are actions that contain an exact lattice supersymmetry and have as their target (continuum) theory (4,4) 2-dimensional super-Yang-Mills. We discuss the implications of this finding for lattice simulations and give some preliminary results for the phase of the determinant in the phase-quenched ensemble.

@article{Giedt:2003vy, abstract = {We find that the fermion determinant is not generally positive in a class of lattice actions recently constructed by Cohen et al. [hep-lat/0307012]; these are actions that contain an exact lattice supersymmetry and have as their target (continuum) theory (4,4) 2-dimensional super-Yang-Mills. We discuss the implications of this finding for lattice simulations and give some preliminary results for the phase of the determinant in the phase-quenched ensemble. }, added-at = {2009-03-22T13:03:22.000+0100}, archiveprefix = {arXiv}, author = {Giedt, Joel}, biburl = {https://www.bibsonomy.org/bibtex/2a5e5ff0d3c13e25da7640ba602dcc701/gber}, description = {SPIRES-HEP: FIND EPRINT HEP-LAT/0307024}, doi = {10.1016/j.nuclphysb.2003.09.045}, eprint = {hep-lat/0307024}, interhash = {d5ce587ed25fef02e4d59f4eea85a2b5}, intrahash = {a5e5ff0d3c13e25da7640ba602dcc701}, journal = {Nucl. Phys.}, keywords = {D2 Determinant Lattice LatticeSusy N4 SYM SignProblem}, pages = {259-270}, slaccitation = {%%CITATION = HEP-LAT/0307024;%%}, timestamp = {2009-03-22T13:10:32.000+0100}, title = {{The fermion determinant in (4,4) 2d lattice super-Yang- Mills}}, url = {http://www.slac.stanford.edu/spires/find/hep/www?eprint=hep-lat/0307024}, volume = {B674}, year = 2003 }