12.1 p=(0,0,0)

12.1.1 lattice dispersion relation

χ2/d.o.f.=1.05096P[0]=428.386±(4.7e+02) {C=(2.25e+05)}

2530354033.053.13.153.2
as.factor(df[, 6])momuntum(0,0,0)(fit,1)(free,1)L$E_3/m$