Equation Icon  ˆH |μ ⟩ = -----3------(Vμ+δ − Vμ−δ)(e−ik|μ + 4δ⟩ − (2 + k2γ2 δ2)|μ⟩ + eik|μ − 4δ ⟩) . (54 ) 16πG γ3δ3ℓ2P