σ = e^2*τ(ph+pl)/mcp* = e^2*τ(ph)/mph*+e^2*τ(pl)/mpl* ---(1)
ph = A(kt)3/2(mph*)3/2, pl = A(kt)3/2(mpl*)3/2 ---(2)
将(2)带入(1)式得:
1/mcp* = (mph*1/2+mpl*1/2)/(mph*3/2+mpl*3/2) ---(3)
由(3)得:
mcp* = (mph*3/2+mpl*3/2)/(mph*1/2+mpl*1/2)
你确定你的题目是正确的?