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

被引：2
|
作者：
Gardiner, Simon A. [1 ]
Gies, Holger [2 ,3 ]
Jaeckel, Joerg [4 ]
Wallace, Chris J. [1 ]
机构：
[1] Univ Durham, Dept Phys, Durham DH1 3LE, England
[2] Univ Jena, Inst Theoret Phys, D-07743 Jena, Germany
[3] Helmholtz Inst Jena, D-07743 Jena, Germany
[4] Heidelberg Univ, Inst Theoret Phys, Heidelberg, Germany
来源：
EPL | 2013年 / 101卷 / 06期
基金：
英国工程与自然科学研究理事会;
关键词：
NEUTRAL ATOMS; POSITRON;
D O I：
10.1209/0295-5075/101/61001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
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. editor's choice Copyright (C) EPLA, 2013
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页数：6
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