Instantons in QCD (I) Properties of the "instanton liquid"

E. V. Shuryak

doi:10.1016/0550-3213(89)90618-4

Instantons in QCD (I) Properties of the "instanton liquid"

E. V. Shuryak

Physics and Astronomy

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Abstract

This is the first work in the series devoted to the instanton-induced effects in QCD, with N_c = N_f = 3. We report the results of numerical simulation of the ensemble of interacting pseudoparticles. All its qualitative features suspected earlier on phenomenological grounds are indeed reproduced. The chiral symmetry is broken, and the value of the quark condensate is measured. Our result |〈ψψ〉|^{1 3} 〈(gG)²〉^{1 4} = 0.30-0.32, is in good agreement with experiment.

Original language	English
Pages (from-to)	521-540
Number of pages	20
Journal	Nuclear Physics, Section B
Volume	319
Issue number	3
DOIs	https://doi.org/10.1016/0550-3213(89)90618-4
State	Published - Jun 19 1989

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title = "Instantons in QCD (I) Properties of the {"}instanton liquid{"}",

abstract = "This is the first work in the series devoted to the instanton-induced effects in QCD, with Nc = Nf = 3. We report the results of numerical simulation of the ensemble of interacting pseudoparticles. All its qualitative features suspected earlier on phenomenological grounds are indeed reproduced. The chiral symmetry is broken, and the value of the quark condensate is measured. Our result |〈ψψ〉| 1 3 〈(gG)2〉 1 4 = 0.30-0.32, is in good agreement with experiment.",

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N2 - This is the first work in the series devoted to the instanton-induced effects in QCD, with Nc = Nf = 3. We report the results of numerical simulation of the ensemble of interacting pseudoparticles. All its qualitative features suspected earlier on phenomenological grounds are indeed reproduced. The chiral symmetry is broken, and the value of the quark condensate is measured. Our result |〈ψψ〉| 1 3 〈(gG)2〉 1 4 = 0.30-0.32, is in good agreement with experiment.

AB - This is the first work in the series devoted to the instanton-induced effects in QCD, with Nc = Nf = 3. We report the results of numerical simulation of the ensemble of interacting pseudoparticles. All its qualitative features suspected earlier on phenomenological grounds are indeed reproduced. The chiral symmetry is broken, and the value of the quark condensate is measured. Our result |〈ψψ〉| 1 3 〈(gG)2〉 1 4 = 0.30-0.32, is in good agreement with experiment.

UR - https://www.scopus.com/pages/publications/0011658919

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DO - 10.1016/0550-3213(89)90618-4

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VL - 319

SP - 521

EP - 540

JO - Nuclear Physics, Section B

JF - Nuclear Physics, Section B

IS - 3

ER -

Instantons in QCD (I) Properties of the "instanton liquid"

Abstract

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