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Yukawa theories as effective theories of quantum chromodynamics for a large number of colors

Kiritsis, Elias and Seki, Ryoichi (1989) Yukawa theories as effective theories of quantum chromodynamics for a large number of colors. Physical Review Letters, 63 (9). pp. 953-956. ISSN 0031-9007. doi:10.1103/PhysRevLett.63.953.

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An effective theory for low-energy nuclear interactions is proposed, based on results obtained from the 1/Nc expansion of quantum chromodynamics. The Lagrangian is local in the meson sector, but in the baryon sector it is nonlocal both in the meson-baryon Yukawa coupling and in the baryon propagators. It satisfies an important consequence of the 1/Nc expansion, the suppression of baryon loops. Our findings are then shown to support the traditional approaches in nuclear physics and, more especially, the relativistic nuclear many-body theories at baryon-tree level.

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Additional Information:©1989 The American Physical Society Received 17 October 1988 We thank J. Preskill for useful comments, particularly for pointing out the importance of the finite baryon size. R.S. thanks D. Wasson and W. Bentz for clarifying some issues in the relativistic nuclear many-body theory. This work was supported in part by DOE (Grant No. DE-FG03-87ER40347) at California State University, Northridge (CSUN) and by NSF (Grants No. PHY85-05682 and No. PHY86-04197) at Caltech. Erratum: Elias Kiritsis and Ryoichi Seki, Yukawa Theories as Effective Theories of Quantum Chromodynamics for a Large Number of Colors, Phys. Rev. Lett. 63, 2002 (1989).
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Deposited On:17 Dec 2006
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