Tunneling of the 3rd Kind: A Test of the Effective Non-locality of Quantum Field Theory

Details Tunneling of the 3rd Kind: A Test of the Effective Non-locality of Quantum Field Theory Tunneling of the 3rd Kind: A Test of the Effective Non-locality of Quantum Field Theory

2012-04-21

arxiv.org/abs/1204.4802v1

Physics

Quantum Physics

4 pages, 2 figures

Scientific paper

Integrating out virtual quantum fluctuations in an originally local quantum field theory results in an effective theory which is non-local. In this Letter we argue that tunneling of the 3rd kind - where particles traverse a barrier by splitting into a pair of virtual particles which recombine only after a finite distance - provides a direct test of this non-locality. We sketch a quantum-optical setup to test this effect, and investigate observable effects in a simple toy model.

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