Metrology of weak quantum perturbations

Sidali Mohammdi, Matteo Bina, Abdelhakim Gharbi +1

We consider quantum systems with a Hamiltonian containing a weak perturbation i.e. $\mathbf{H}={\mathbf{H}}_0+\mathbf{\lambda }\cdot \tilde{\mathbf{H}}$, $\boldsymbolλ= \{λ_1, λ_2,...\}…