Entanglement in Relativistic Quantum Field Theory

Details Entanglement in Relativistic Quantum Field Theory Entanglement in Relativistic Quantum Field Theory

2004-08-09

arxiv.org/abs/hep-th/0408062v2

Phys.Rev.D70:105001,2004

Physics

High Energy Physics

High Energy Physics - Theory

5 pages. v1: Submitted for publication in May 2004. v2: minor corrections

Scientific paper

10.1103/PhysRevD.70.105001

I present some general ideas about quantum entanglement in relativistic quantum field theory, especially entanglement in the physical vacuum. Here, entanglement is defined between different single particle states (or modes), parameterized either by energy-momentum together with internal degrees of freedom, or by spacetime coordinate together with the component index in the case of a vector or spinor field. In this approach, the notion of entanglement between different spacetime points can be established. Some entanglement properties are obtained as constraints from symmetries, e.g., under Lorentz transformation, space inversion, time reverse and charge conjugation.

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