We study the effects of acceleration on fermionic Gaussian states oflocalized modes of a Dirac field. We consider two wave-packets in a Gaussianstate 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 theentanglement of the vacuum, as well as the entanglement in Bell states. We findthat with increasing acceleration vacuum entanglement increases, while theentanglement of Bell states decreases. Notably, our results have an immediateoperational meaning given the localization of the modes.
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