Uncovering Low-Dimensional Topological Structure in the QCD Vacuum
Author | : |
Publisher | : |
Total Pages | : 3 |
Release | : 2002 |
ISBN-10 | : OCLC:68488740 |
ISBN-13 | : |
Rating | : 4/5 (40 Downloads) |
Download or read book Uncovering Low-Dimensional Topological Structure in the QCD Vacuum written by and published by . This book was released on 2002 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently, we have pointed out that sign-coherent 4-dimensional structures can not dominate topological charge fluctuations in QCD vacuum at all scales. Here we show that an enhanced lower-dimensional coherence is possible. In pure SU(3) lattice gauge theory we find that in a typical equilibrium configuration about 80% of space-time points are covered by two oppositely-charged connected structures built of elementary 3-dimensional coherent hypercubes. The hypercubes within the structure are connected through 2-dimensional common faces. We suggest that this coherence is a manifestation of a low-dimensional order present in the QCD vacuum. The use of a topological charge density associated with Ginsparg-Wilson fermions (''chiral smoothing'') is crucial for observing this structure.