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	Can a nonsymmetric metric mimic NCQFT in e(+)e(-)->gamma gamma?
	Kersting, Nick ; Ma, Yong-Liang
	2010-05-06 ; 2010-05-06
会议名称	MODERN PHYSICS LETTERS A ; International Conference on Non-Perturbative Quantum Theory ; Guangzhou, PEOPLES R CHINA ; Web of Science
关键词	Physics, Nuclear Physics, Particles & Fields Physics, Mathematical
中文摘要	In the nonsymmetric gravitational theory (NGT) the space-time metric g(mu nu) departs from the flat-space Minkowski form eta(mu nu) such that it is no longer symmetric, i.e. g(mu nu) not equal g(nu mu). We find that in the most conservative such scenario coupled to quantum field theory, which we call Minimally Nonsymmetric Quantum Field Theory (MNQFT), there are experimentally measurable consequences similar to those from noncommutative quantum field theory (NCQFT). This can be expected from the Seiberg-Witten map which has recently been interpreted as equating gauge theories on noncommutative spacetimes with those in a field dependent gravitational background. In particular, in scattering processes such as the pair annihilation e(+)e(-)->gamma gamma, both theories make the same striking prediction that the azimuthal cross section oscillates in phi. However the predicted number of oscillations differs in the two theories: MNQFT predicts between one and four, whereas NCQFT has no such restriction.; Sun Yat Sen Univ
会议录出版者	WORLD SCIENTIFIC PUBL CO PTE LTD ; SINGAPORE ; 5 TOH TUCK LINK, SINGAPORE 596224, SINGAPORE
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/6855]
专题	清华大学
推荐引用方式 GB/T 7714	Kersting, Nick,Ma, Yong-Liang. Can a nonsymmetric metric mimic NCQFT in e(+)e(-)->gamma gamma?[C]. 见:MODERN PHYSICS LETTERS A, International Conference on Non-Perturbative Quantum Theory, Guangzhou, PEOPLES R CHINA, Web of Science.

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