Phys. Rev. Lett. 96, 110406 (2006) [5 pages]Experimental Observation of Optical Rotation Generated in Vacuum by a Magnetic FieldSee Also: Editorial Note Received 29 July 2005; revised 8 February 2006; published 24 March 2006 We report the experimental observation of a light polarization rotation in vacuum in the presence of a transverse magnetic field. Assuming that data distribution is Gaussian, the average measured rotation is (3.9±0.5)×10-12 rad/pass, at 5 T with 44 000 passes through a 1 m long magnet, with λ=1064 nm. The relevance of this result in terms of the existence of a light, neutral, spin-zero particle is discussed. © 2006 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.96.110406
DOI:
10.1103/PhysRevLett.96.110406
PACS:
12.20.Fv, 07.60.Fs, 14.80.Mz
See AlsoEditorial Note: E. Zavattini, G. Zavattini, G. Ruoso, E. Polacco, E. Milotti, M. Karuza, U. Gastaldi, G. Di Domenico, F. Della Valle, R. Cimino, S. Carusotto, G. Cantatore, and M. Bregant PVLAS Collaboration, Editorial Note: Experimental Observation of Optical Rotation Generated in Vacuum by a Magnetic Field [Phys. Rev. Lett. 96, 110406 (2006)], Phys. Rev. Lett. 99, 129901 (2007). |
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