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Chiral symmetry breaking, instantons and the ultimate quenched calculation.

Abstract:
We calculate the spectral density of the Dirac operator over an ensemble of configurations composed of overlapping instantons and anti-instantons. We find evidence that the spectral density diverges in the limit λ → 0. This indicates the breaking of chiral symmetry and also provides evidence that quenched QCD may be pathological in nature.
Publication status:
Published

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Journal:
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
Volume:
73
Issue:
1-3
Pages:
617-619
Publication date:
1999-03-05
DOI:
ISSN:
0920-5632
URN:
uuid:7e008de5-fc36-4430-96ca-d789d72afea8
Source identifiers:
324708
Local pid:
pubs:324708
Language:
English

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