Transfer matrices, non-Hermitian Hamiltonians and Resolvents: some spectral identities

Luca Molinari

I consider the N-step transfer matrix T for a general block Hamiltonian, with eigenvalue equation L_n ψ_{n+1} + H_n ψ_n + L_{n-1}^\dagger ψ_{n-1} = E ψ_n where H_n and L_n are matr…