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Prog. Theor. Phys. Supplement No.120 (1995) pp. 57-73

[ Full Text PDF : FREE ACCESS (1754K) ]

Dual Higgs Mechanism for Quarks in Hadrons

Hideo Suganuma, Shoichi Sasaki,* Hiroshi Toki* and Hiroko Ichie**

The Institute of Physical and Chemical Research (RIKEN), Wako 351-01, Japan
*Research Center for Nuclear Physics (RCNP), Osaka University, Ibaraki 567, Japan
**Department of Physics, Tokyo Metropolitan University, Hachiohji 192, Japan

Abstract:

We study nonperturbative features of QCD using the dual Ginzburg-Landau (DGL) theory, where the color confinement is realized through the dual Higgs mechanism brought by QCD-monopole condensation. The linear confinement potential appears in the QCD-monopole condensed vacuum. We study the infrared screening effect to the confinement potential by the light-quark pair creation, and derive a compact formula for the screened quark potential. We study the dynamical chiral-symmetry breaking (DχSB) in the DGL theory by solving the Schwinger-Dyson equation. QCD-monopole condensation plays an essential role to DχSB. The QCD phase transition at finite temperature is studied using the effective potential formalism in the DGL theory. We find the reduction of QCD-monopole condensation and the string tension at high temperatures. The surface tension is calculated using the effective potential at the critical temperature Tc. The DGL theory predicts a large mass reduction of glueballs near Tc. We apply the DGL theory to the quark-gluon-plasma (QGP) physics in the ultrarelativistic heavy-ion collisions. We propose a new scenario of the QGP formation via the annihilation of color-electric flux tubes based on the attractive force between them.


URL : http://ptp.ipap.jp/link?PTPS/120/57/
DOI : 10.1143/PTPS.120.57

[ Full Text PDF : FREE ACCESS (1754K) ] Citation:

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Citing Article(s) :

  1. Progress of Theoretical Physics Supplement No.131 (1998) pp. 559-571 :
    Instantons and Monopoles in the Nonperturbative QCD
    Hideo Suganuma, Hiroko Ichie, Atsunori Tanaka and Kazuhisa Amemiya

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