Abstract
The SU(2) Yang-Mills gluon and ghost Green-functions are studied in Landau gauge by means of lattice gauge simulations. A focal point is their low energy behavior since in particular the Kugo-Ojima confinement criterion relates a diverging ghost form factor at vanishing momentum transfer to the confining capabilities of the theory. This divergence is verified by numerical simulations. Removing the confining vortices from the lattice ensembles converts SU (2) Yang-Mills theory in a non-confining theory. It is shown that in this modified theory the divergence of the ghost propagator disappears.
| Original language | English |
|---|---|
| Title of host publication | Confinement, Topology, and Other Non-Perturbative Aspects of QCD |
| Editors | Jeff Greensite, Štefan Olejník |
| Place of Publication | Netherlands |
| Publisher | Springer Dordrecht |
| Pages | 253-260 |
| Number of pages | 8 |
| ISBN (Electronic) | 9789401005029 |
| ISBN (Print) | 9781402008740 |
| DOIs | |
| Publication status | Published - 2002 |
| Externally published | Yes |
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