Zobrazeno 1 - 10
of 468
pro vyhledávání: '"Koma Y"'
Publikováno v:
High Performance Computing in Science and Engineering, Garching/Munich 2009 Springer 2010, Part 5, 475-487
Overlap fermions preserve a remnant of chiral symmetry on the lattice. They are a powerful tool to investigate the topological structure of the vacuum of Yang-Mills theory and full QCD. Recent results concerning the localization of topological charge
Externí odkaz:
http://arxiv.org/abs/0912.2281
Publikováno v:
Phys.Rev.D80:054504,2009
The mechanism of non-Abelian color confinement is studied in SU(2) lattice gauge theory in terms of the Abelian fields and monopoles extracted from non-Abelian link variables without adopting gauge fixing. Firstly, the static quark-antiquark potentia
Externí odkaz:
http://arxiv.org/abs/0907.0583
Autor:
Weinberg, V., Ilgenfritz, E. -M., Koller, K., Koma, Y., Nakamura, Y., Schierholz, G., Streuer, T.
Publikováno v:
PoSLAT2007:236,2007
Overlap fermions are particularly well suited to study the finite temperature dynamics of the chiral symmetry restoration transition of QCD, which might be just an analytic crossover. Using gauge field configurations on a 24^3x10 lattice with N_f=2 f
Externí odkaz:
http://arxiv.org/abs/0710.2565
Autor:
Ilgenfritz, E. -M., Koller, K., Koma, Y., Schierholz, G., Streuer, T., Weinberg, V., Quandt, M.
Publikováno v:
PoSLAT2007:311,2007
We present selected recent results of the QCDSF collaboration on the localization and dimensionality of low overlap eigenmodes and of the topological density in the quenched SU(3) vacuum. We discuss the correlations between the topological structure
Externí odkaz:
http://arxiv.org/abs/0710.2607
Publikováno v:
Phys.Rev.D76:034506,2007
Overlap fermions have an exact chiral symmetry on the lattice and are thus an appropriate tool for investigating the chiral and topological structure of the QCD vacuum. We study various chiral and topological aspects of quenched gauge field configura
Externí odkaz:
http://arxiv.org/abs/0705.0018
Publikováno v:
AIPConf.Proc.892:187-190,2007
Three complementary views on the QCD vacuum structure, all based on eigenmodes of the overlap operator, are reported in their interrelation: (i) spectral density, localization and chiral properties of the modes, (ii) the possibility of filtering the
Externí odkaz:
http://arxiv.org/abs/hep-lat/0611007
Publikováno v:
PoSLAT2006:078,2006
We summarize different uses of the eigenmodes of the Neuberger overlap operator for the analysis of the QCD vacuum, here applied to quenched configurations simulated by means of the Luescher-Weisz action. We describe the localization and chiral prope
Externí odkaz:
http://arxiv.org/abs/hep-lat/0610087
Publikováno v:
Nucl.Phys.Proc.Suppl. 153 (2006) 328-335
Overlap fermions implement exact chiral symmetry on the lattice and are thus an appropriate tool for investigating the chiral and topological structure of the QCD vacuum. We study various chiral and topological aspects on Luescher-Weisz-type quenched
Externí odkaz:
http://arxiv.org/abs/hep-lat/0512005
Publikováno v:
PoS LAT2005 (2005) 171
Overlap fermions are a powerful tool for investigating the chiral and topological structure of the vacuum and the thermal states of QCD. We study various chiral and topological aspects of the finite temperature phase transition of N_f=2 flavours of O
Externí odkaz:
http://arxiv.org/abs/hep-lat/0510056
Publikováno v:
PoS LAT2005 (2005) 300
Overlap fermions, which preserve exact chiral symmetry on the lattice, provide a powerful tool for investigating the topological structure of the vacuum. Applying this formulation to zero-temperature quenched SU(3) configurations generated by means o
Externí odkaz:
http://arxiv.org/abs/hep-lat/0509164