本文讨论二维Cu-O面中holon引起铁磁极化子的强关联系统的自由能.根据自由能极小时系统稳定的特性,求得铁磁极化子在低温(κBTJeff)下的稳定半径为γf=α.并指出铁磁极化子配对引起超导电性的可能性.

This article discusses strong correlative system's free-energy with holon causing ferromagnetic polaron in the two-dimensional Cu-O plane. According to the characteristic that the system is steady when free-energy is the minimum,we calculate ferromagnetic Polaron's radius rf = a when kBT << Jeff,and put forward the probability that pair-ferromagnetic polarons leads to superconductivity.