Nonperturbative physics at short distances
arXiv:0705.0743 · doi:10.1143/PTPS.167.105
Abstract
There is accumulating evidence in lattice QCD that attempts to locate confining fields in vacuum configurations bring results explicitly depending on tha lattice spacing (that is, ultraviolet cut off). Generically, one deals with low-dimensional vacuum defects which occupy a vanishing fraction of the total four-dimensional space. We review briefly existing data on the vacuum defects and their significance for confinement and other nonperturbative phenomena. We introduce the notion of `quantum numbers' of the defects and draw an analogy, rather formal one, to developments which took place about 50 years ago and were triggered by creation of the Sakata model.
15 pages, contributed to International Symposium on the Jubilee of the Sakata Model (pnLambda50), Nagoya, Japan, Nov. 2006
References in corpus (6)
- Exploring the structure of the quenched QCD vacuum with overlap fermions
- Peculiarities in the Spectrum of the Adjoint Scalar Kinetic Operator in Yang-Mills Theory
- Matter of resolution: from quasiclassics to fine tuning
- From confining fields on the lattice to higher dimensions in the continuum
- On the Fine Structure of QCD Confining String
- Shrinking fermionic modes, on the lattice and in the continuum