Quark Cluster Model and Confinement
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概要
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How confinement of quarks is implemented for multi-hadron systems in the quark cluster model is reviewed. In order to learn the nature of the confining interaction for fermions we first study 1+1 dimensional QED and QCD, in which the gauge field can be eliminated exactly and generates linear interaction of fermions. Then, we compare the two-body potential model, the flip-flop model and the Born-Oppenheimer approach in the strong coupling lattice QCD for the meson-meson system. Having shown how the long-range attraction between hadrons, van der Waals interaction, shows up in the two-body potential model, we discuss two distinct attempts beyond the two-body potential model: one is a many-body potential model, the flip-flop model, and the other is the Born-Oppenheimer approach in the strong coupling lattice QCD. We explain how the emergence of the long-range attraction is avoided in these attempts. Finally, we present the results of the application of the flip-flop model to the baryon-baryon scattering in the quark cluster model.
- 理論物理学刊行会の論文
- 2000-04-21
著者
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MORIMATSU Osamu
High Energy Accelerator Research Organization Tanashi Branch (KEK-Tanashi)
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KOIKE Yuji
Department of Internal Medicine, Hiroo Metropolitan General Hospital
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MORIMATSU Osamu
Institute of Particle and Nuclear Study, High Energy Accelerator Research Organization
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Yazaki Koichi
Physics Laboratory College Of Human Arts And Sciences Tokyo Woman's Christian University
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Koike Yuji
Department Of Digestive Organ Medicine Keio University School Of Medicine
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YAZAKI Koichi
Physics Laboratory, College of Human Arts and Sciences Tokyo Woman's Christian University
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KOIKE Yuji
Department of Physics, Niigata University
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MORIMATSU Osamu
High Energy Accelerator Research Organization Tanashi Branch, KEK-Tanashi
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