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Effect of acceleration on localized fermionic Gaussian states: from vacuum entanglement to maximally entangled states

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arxiv 1701.05906 v2 pith:TP456NE6 submitted 2017-01-20 quant-ph gr-qc

Benedikt Richter , Krzysztof Lorek , Andrzej Dragan , Yasser Omar This is my paper · ORCID
classification quant-phgr-qc
keywords entanglementstatesaccelerationfermionicgaussianvacuumbelllocalized
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We study the effects of acceleration on fermionic Gaussian states of localized modes of a Dirac field. We consider two wave-packets in a Gaussian state and transform these to an accelerated frame of reference. In particular, we formulate the action of this transformation as a fermionic quantum channel. Having developed the general framework for fermions, we then investigate the entanglement of the vacuum, as well as the entanglement in Bell states. We find that with increasing acceleration vacuum entanglement increases, while the entanglement of Bell states decreases. Notably, our results have an immediate operational meaning given the localization of the modes.

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  1. Enhancement and Suppression of Decay Rates in an Accelerated Fermionic Cavity Coupled to a Massive Field

    gr-qc 2025-10 reject novelty 6.0 of 10

    For a uniformly accelerated fermionic cavity coupled to a light massive field, the predicted decay-rate ratio is Γ_acc/Γ_in = al/ln(1+al), a geometric enhancement of up to tens of percent; heavy fields instead give ex...

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