Dhar, Avinash ; Shankar, R. ; Wadia, Spenta R. (1985) Nambu-Jona-Lasinio-type effective Lagrangian: anomalies and nonlinear Lagrangian of low-energy, large-N QCD Physical Review D - Particles, Fields, Gravitation and Cosmology, 31 (12). pp. 3256-3267. ISSN 1550-7998
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Official URL: http://prd.aps.org/abstract/PRD/v31/i12/p3256_1
Related URL: http://dx.doi.org/10.1103/PhysRevD.31.3256
Abstract
We present a qualitative derivation of the chiral model from QCD. This is based on using a Nambu-Jona-Lasinio-type effective Lagrangian as an intermediate step. A detailed derivation of the anomalous low-energy Wess-Zumino term is presented. This includes vector, axial-vector, and pseudoscalar particles. The low-energy scale is set by H¯ ~ < Ψ¯Ψ >. We also present the low-energy nonlinear chiral model which generalizes the Skyrme model. The possibility of soliton solutions is indicated. There is a possible application of these ideas to electroweak theory.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 54887 |
| Deposited On: | 17 Aug 2011 11:40 |
| Last Modified: | 17 Aug 2011 11:40 |
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