Dual Ginzburg-Landau Theory with QCD-Monopoles for Dynamical Chiral-Symmetry Breaking : Nuclear Physics
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概要
- 論文の詳細を見る
We study dynamical chiral-symmetry breaking of non-perturbative QCD in the dual Ginzburg-Landau theory, where the QCD-monopole field is introduced as an essential field for color confinement stemming from the choice of the abelian gauge fixing a la 't Hooft. In this theory, QCD-monopole condensation causes the dual Meissner effect, which changes the gluon propagator. The dynamical chiral-symmetry breaking is investigated using the Schwinger-Dyson equation with the modified gluon propagator in the QCD-monopole condensed vacuum. We introduce the low momentum cutoff on the modified gluon propagator by considering the effects of the q-q^^- pair creation and/or the quarks being confined in hadrons. We find that dynamical chiral-symmetry breaking is largely enhanced by QCD-monopole condensation, which suggests the close relation between the color confinement and the chiral symmetry breaking. The dynamical quark mass, the pion decay constant and the quark condensate are reproduced consistently with the confining mechanism in this theory.
- 理論物理学刊行会の論文
- 1995-09-25
著者
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土岐 博
Research Center For Nuclear Physics (rcnp) Osaka University
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Hideo Suganuma
Department Of Physics Kyoto University
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Suganuma Hideo
Research Center For Nuclear Physics Osaka University
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TOKI Hiroshi
Research Center for Nuclear Physics, Osaka University
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SASAKI Shoichi
Research Center for Nuclear Physics (RCNP), Osaka University
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Sasaki Shoichi
Yukawa Institute For Theoretical Physics Kyoto University : Research Fellow Of The Japan Society For
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Suganuma Hideo
Research Center For Nuclear Physics (rcnp) Osaka University
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Toki Hiroshi
Research Center For Nuclear Physics (rcnp) Osaka University
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Toki Hiroshi
Research Center For Nuclear Physical Osaka University
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SASAKI Shoichi
Yukawa Institute for Theoretical Physics, Kyoto University : Research Fellow of the Japan Society for the Promotion of Science
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SASAKI Shoichi
Department of Physics, University of Tokyo
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TOKI Hiroshi
Research Center for Nuclear Physics (RCNP), Osaka University:Institute for Physical and Chemical Research (RIKEN)
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