A chiral hadronic model is extended to investigate antikaon condensation and hyperons production of protoneutron stars.

摘要用相对论平均场下手徵强究了前中星(平均值)K凝聚和生成。

It turns out that the weak interaction causes a kaon gradually to convert into its antiparticle, the antikaon, and then back again.

弱交互作用会使k介逐渐变成反粒──反k介，然后又变回来。