Baryons as Chiral Solitons in the Nambu--Jona-Lasinio Model

摘要: The description of baryons as chiral solitons the Nambu--Jona--Lasinio (NJL) model is reviewed. A motivation for soliton provided from large $N_C$ QCD. Rigorous results on spontaneous breaking symmetry in QCD are discussed. It then argued that NJL provides a fair low--energy hadron physics. therefore employed to mimic flavor dynamics bosonized by functional integral techniques and physical content emerging effective meson theory In particular, its relation Skyrme established. static solutions found, their properties discussed, influence various fields studied. These considerations provide strong support Witten's conjecture can be understood theories. quantized semiclassical fashion nucleon dominating $1/N_C$ corrections semiclassically investigated. Time--dependent fluctuations off explored estimate quantum mass. Finally, hyperons described model. This done both, collective rotational approach Yabu Ando well bound state Callan Klebanov.