text: =*D*(0) 
  (cid:10) 
  +*D*(2) 
  +*D*(4) 
  +*D*(6) 
  +*D*(8) 
  
  − 
  
  − 
  
  − 
  
  − 
  
  *kl*(*k*,*l*=*a*,*b*,*M*,*M*†;*i*= 0, 1, 2) are the quantum dif- 
  
  *j*Γ*j*(*t*)σ*j* *j*Γ*j*(*t*)σ*j* (*t*),*Na*(*t*) =  *i*
  −  − 
  P  P 
  
  scopic atomic operators yield 
  P 
  
  κ 
  2  − 
  
  ˙*Na*(*t*) = 
  − 
  
  D 
  = ˜*D*(0) 
  + ˜*D*(2) 
  + ˜*D*(4) 
  + ˜*D*(6) 
  + ˜*D*(8) 
  
  − 
  
  − 
  
  − 
  ˙*M*(*t*) =  *C*1 +*C*2)  γ*ab M*(*t*) 
  
  *R*(*C*0 − 
  − 
  +*g*[*Na*(*t*)  − 
  *Nb*(*t*)]*a*(*t*) +*FM*(*t*),  (6) 
  − 
  
  where the macroscopic noise operators are deﬁned as 