H Super Operator
From Qwiki
The 
(Read " The aitch superoperator" or Haitch if you are from the USA) superoperator is often refered to as the inovation (?) superoperator. The action of this operator on a state ρ is
![\mathcal{H}[A]\rho = A\rho +\rho A^{\dagger} - Tr[(A+A^{\dagger})\rho]\rho](/images/math/2/5/3/253374161c4b67cb0ae3067d89a63805.png)
.
References
- Howard Wiseman, 'Thesis'.
