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Topology and chiral symmetry breaking in SU(N-c) gauge theories

Abstract:

We study the low-lying eigenmodes of the lattice overlap Dirac operator for SV(Nc) gauge theories with Nc=2, 3, 4 and 5 colors. We define a fermionic topological charge from the zero modes of this operator and show that, as Nc grows, any disagreement with the topological charge obtained by cooling the fields becomes rapidly less likely. By examining the fields where there is a disagreement, we are able to show that the Dirac operator does not resolve instantons below a critical size of about ...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevD.66.094505

Authors


Journal:
PHYSICAL REVIEW D
Volume:
66
Issue:
9
Publication date:
2002-11-01
DOI:
EISSN:
1089-4918
ISSN:
0556-2821
URN:
uuid:98d18e56-4269-41f3-91ed-3ecf5b23f396
Source identifiers:
324758
Local pid:
pubs:324758
Language:
English

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