Field-induced entanglement in spatially superposed objects

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Abstract

We discuss the generation of field-induced entanglement between two objects, each in a superposition of two trajectories. The objects have currents coupled to local quantum fields, and the currents are evaluated around each trajectory of the objects. The fields have only dynamical degrees of freedom and satisfy the microcausality condition. We find that the superposed state of trajectories cannot be entangled when the objects are spacelike separated. This means that the quantum fields do not generate spacelike entanglement in the superposition of two trajectories of each object.

Original languageEnglish
Article number046001
JournalPhysical Review D
Volume104
Issue number4
DOIs
Publication statusPublished - Aug 15 2021

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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