Chiral symmetry breaking and stability of quark droplets

Details Chiral symmetry breaking and stability of quark droplets Chiral symmetry breaking and stability of quark droplets

2006-04-11

arxiv.org/abs/hep-ph/0604093v1

Int.J.Mod.Phys. E15 (2006) 595-615

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1142/S0218301306004041

We discuss the stability of strangelets -- quark droplets with strangeness -- in the Nambu--Jona-Lasinio model supplemented by a boundary condition for quark confinement. Effects of dynamical chiral symmetry breaking are considered properly inside quark droplets of arbitrary baryon number. We obtain the energy per baryon number of quark droplets with baryon number from one to thousands. It is shown that strangelets are not the ground states as compared with nuclei, though they can be locally stable.

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