\lambda \ x(z \bar z+ \bar \zeta \zeta) \] which is pseudo-Hermitian and, being an anticommutator \( \{Q,X \}\ ,\) commutes with \(Q\ .\) The dynamics induced by the complete Hamiltonian \[H_C=H_{B-F}+h+V \] on the full unphysical Fock space is affected by \(V\ .\) However the dynamics in \(H_{phys}\) does not