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Effective field theories on noncommutative space-time

✍ Scribed by Calmet, Xavier; Wohlgenannt, Michael

Book ID: 120317811
Publisher: The American Physical Society
Year: 2003
Tongue: English
Weight: 121 KB
Volume: 68
Category: Article
ISSN: 1550-7998
DOI: 10.1103/PhysRevD.68.025016

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## Abstract This is an exposition of joint work with S. Doplicher, K. Fredenhagen, and Gh. Piacitelli [1]. The violation of unitarity found in quantum field theory on noncommutative spacetimes in the context of the so‐called modified Feynman rules is linked to the notion of time ordering implicitly