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期刊名称: Int. J. Mod. Phys. D 21 (2012) 1242012
    2012-07-10

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作者 : Amelino-Camelia, Giovanni ;   Astuti, Valerio ;   Rosati, Giacomo ;  
发表期刊 : Int. J. Mod. Phys. D 21 (2012) 1242012
出版时间 : 2012-07-10
关键词 : General Relativity and Quantum Cosmology;High Energy Physics - Theory;
摘要 : We investigate a connection between recent results in 3D quantum gravity,providing an effective noncommutative-spacetime description, and some earlierheuristic descriptions of a quantum-gravity contribution to the fuzziness ofthe worldlines of particles. We show that 3D-gravity-inspired spacetimenoncommutativity reflects some of the features suggested by previous heuristicarguments. Most notably, gravity-induced worldline fuzziness, whileirrelevantly small on terrestrial scales, could be observably large forpropagation of particles over cosmological distances.
Cite as : arXiv:1207.2509

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