Hermite expansions enable closed-form computation and optimization of entanglement harvesting negativity for arbitrary temporal profiles, increasing harvested entanglement by orders of magnitude beyond second-order perturbation theory.
e− (L+vT 2)2 4T2 erfi L+vT 2 2T + e− (L−vT 2)2 4T2 erfi L−vT 2 2T # = Te −Ω2T 2 4L√π e 1 4 T 2u2 e−iΩT 2u
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Optimization of entanglement harvesting with arbitrary temporal profiles: the limit of second order perturbation theory
Hermite expansions enable closed-form computation and optimization of entanglement harvesting negativity for arbitrary temporal profiles, increasing harvested entanglement by orders of magnitude beyond second-order perturbation theory.