Equation Icon  [ ] [ ] coshρt + cos 2ϕsinh ρt sin2ϕ sinhρt eρt 0 𝕊sqz[ρt,ϕ ] ≡ sin 2ϕ sinh ρt cosh ρt − cos2ϕ sinh ρt =⇒ 𝕊sqz[ρt,0] = 0 e−ρt (75 )