text: *kl*are the c-number Langevin diﬀusion coeﬃcients, 
  *kl*as in 
  
  ˙Γ*j*(*t*)σ*j* Γ*j*(*t*)*f j* *Fa*(*t*) = 
  *A*0 +*A*1 − 
  *A*2) +  *a*(*t*) 
  *R*(1 
  −  − 
  X*j* X*j*
  
  ˙Γ*j*(*t*)σ*j* Γ*j*(*t*)*f j* *Fb*(*t*) = 
  *b*(*t*) +*R*(*B*0 − 
  *B*1 +*B*2) + 
  *b*(*t*), 
  X*j* X*j*
  
  1 
  *T*− 
  
  ˙Γ*j*(*t*) ˜σ*j*
  − 
  Γ*j*(*t*)*f j* *FM*(*t*) = 
  (*t*) +*R*(*C*0 − 
  *C*1 +*C*2)  σ(*t*), 
  *i* *i* 1 
  −  − 
  ≪  X*j* X*j*