Infinite randomness and the superconductor-metal transition - PiTP

Discretize to a lattice of L sites
S =
∫
dτ
{ L−1 ∑
j=1
D j |Ψ j (τ) − Ψ j+1 (τ)| 2 +
+ c l |Ψ 1 (τ)| 2 + c r |Ψ L (τ)| 2 }
+
L∑
j=1
[
α j |Ψ j (τ)| 2 + u j
2 |Ψ j(τ)| 4]
∫ dω
2π
L∑
j=1
γ j |ω||Ψ j (ω)| 2
P (D j ) P (α j )
Measure all quantities with respect to
γ 2
and
set u j =1