Reality, measurement and locality in quantum field theory

被引:0
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作者
Tommasini, D [1 ]
机构
[1] Univ Vigo, Dept Fis Aplicada, Area Fis Teor, Orense 32004, Spain
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关键词
space-time symmetries; gauge symmetry; models of quantum gravity; Standard Model;
D O I
暂无
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
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摘要
It is currently believed that the local causality of Quantum Field Theory (QFT) is destroyed by the measurement process. This belief is also based on the Einstein-Podolsky-Rosen (EPR) paradox and on the so-called Bell's theorem, that are thought to pro e the existence of a mysterious, instantaneous action between distant measurements. However, I ha e shown recently that the EPR argument is removed, in an interpretation-independent way, by taking into account the fact that the Standard Model of Particle Physics prevents the production of entangled states with a definite number of particles. This result is used here to argue in fa or of a statistical interpretation of QFT and to show that it allows for a full reconciliation with locality and causality. Within such an interpretation, as Ballentine and Jarret pointed out long ago, Bell's theorem does not demonstrate any nonlocality.
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页数:15
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