Bogoliubov-Tolmachev-Shirkov模型临界温度和能隙解的数值方法
葛志昊,李瑞华

Numerical Methods for the Critical Temperature and Gap Solution of Bogoliubov-Tolmachev-Shirkov Model
Zhihao Ge,Ruihua Li
图 6 最小-混合格式$ N = 50 $, $ \beta_{c} $ vs $ a $