Dissipative channels and pointer bases .o Dynamical evolution under dissipative channel E(p()=∑E(O)p(0)E2() In this case of dephasing channel E1=m+)(+|+ypn)(n,E,= Pn-)(n2-| e o Pointer bases: selected by the system-environment coupling COS +e sin n=sin e cos 202Dissipative channels and pointer bases ❖ Dynamical evolution under dissipative channel ❖ In this case of dephasing channel ❖ Pointer bases: selected by the system-environment coupling 1 2 , 1 , 1 .t E n n p n n E p n n p e  + + − − − − − = + = − = − ( ) † ( ) ( ) (0) ( ) i i i  =   t E t E t  cos 0 sin 1 2 2 sin 0 cos 1 . 2 2 i i n e n e       + − = + = −