Phys. Rev. Lett. 54, 2553–2555 (1985)Measuring the Dimension of Space-TimeReceived 2 January 1985; published in the issue dated 17 June 1985 Operationalistic definition of the dimension of space-time leads to the possibility of its experimental determination. Several reasons may be given for the fractional dimension of space-time to be slightly smaller than four, yielding a finite quantum electrodynamics. Comparison between the best experimental values for the electron g-2 factor and theoretical prediction gives the value 4- (5.3±2.5)×10-7 for the dimension of space-time. © 1985 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.54.2553
DOI:
10.1103/PhysRevLett.54.2553
PACS:
01.55.+b, 02.40.+m, 12.20.Ds
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