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Tunnelling of the 3rd kind: A test of the effective non-locality of quantum field theory

Gardiner, S.A.; Gies, H.; Jaeckel, J.; Wallace, C.J.

Authors

H. Gies

J. Jaeckel

C.J. Wallace



Abstract

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 tunnelling 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.

Citation

Gardiner, S., Gies, H., Jaeckel, J., & Wallace, C. (2013). Tunnelling of the 3rd kind: A test of the effective non-locality of quantum field theory. European Physical Society Letters, 101(6), Article 61001. https://doi.org/10.1209/0295-5075/101/61001

Journal Article Type Article
Publication Date Mar 1, 2013
Deposit Date Mar 22, 2013
Publicly Available Date Mar 28, 2024
Journal Europhysics Letters
Print ISSN 0295-5075
Electronic ISSN 1286-4854
Publisher IOP Publishing
Peer Reviewed Peer Reviewed
Volume 101
Issue 6
Article Number 61001
DOI https://doi.org/10.1209/0295-5075/101/61001

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