The Hamiltonian is given:
H=Aâ†â + B(â + â†)
where â is annihilation operator and ↠is creation operator,
and A and B are constants.
How can I get the eigenenergy of this Hamiltonian?
The given hint is "Use new operator b = câ + d, b† =c↠+ d
(c and d are constants, too)
But...