Phys. Rev. Lett. 88, 131301 (2002) [4 pages]

Time-Varying α and Particle Physics

Abstract

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Tom Banks^1,2,*, Michael Dine^2,†, and Michael Douglas^1,3,‡
¹Department of Physics and Astronomy, Rutgers University NHETC, Piscataway, New York
²Department of Physics, University of California–Santa Cruz/SCIPP, Santa Cruz, California
³I.H.E.S., Bures-sur-Yvette 91440, France

Received 9 January 2002; published 15 March 2002

We argue that models in which an observable variation of the fine structure constant is explained by motion of a cosmic scalar field are not stable under renormalization and require massive fine-tuning that cannot be explained by any known mechanism.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.88.131301

DOI:

10.1103/PhysRevLett.88.131301

PACS:

98.80.Cq, 12.15.Lk

^*Email address: banks@physics.rutgers.edu

^†Email address: dine@scipp.ucsc.edu

^‡Email address: mrd@physics.rutgers.edu

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Phys. Rev. Lett. 88, 131301 (2002) [4 pages]

Time-Varying α and Particle Physics