Multiple Unruh-DeWitt detectors harvest more vacuum entanglement when arranged in specific configurations, with harvested negativity scaling linearly in linear chains.
(36) by impos- ing a hard cutoff, χ(t) = 1√ 2πσ2 e− t2 2σ2 Θ(T− |t|), where the tails are removed atT= 5σby multiplication with the Heaviside step function Θ
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Bipartite entanglement harvesting with multiple detectors
Multiple Unruh-DeWitt detectors harvest more vacuum entanglement when arranged in specific configurations, with harvested negativity scaling linearly in linear chains.