Further information about the papers:


Indications of a Spatial Variation of the Fine Structure Constant                    John K. Webb, Julian A. King, Michael T. Murphy, Victor V. Flambaum, Robert F. Carswell, Matthew B. Bainbridge, Phys. Rev. Lett. 107, 191101, 2011. (http://link.aps.org/doi/10.1103/ http://arxiv.org/abs/1008.3907)

and

Spatial variation in the fine-structure constant - new results from VLT/UVES Julian A. King, John K. Webb, Michael T. Murphy, Victor V. Flambaum, Robert F. Carswell, Matthew B. Bainbridge, Michael R. Wilczynska, F. Elliot Koch.  Accepted for publication in MNRAS.(http://arxiv.org/abs/1202.4758)

Also see the papers:

Manifestations of a spatial variation of fundamental constants on atomic clocks, Oklo, meteorites, and cosmological phenomena

by Julian Berengut, Victor Flambaum (http://xxx.lanl.gov/abs/1008.3957)

and

Is there further evidence for spatial variation of fundamental constants?

by Julian Berengut, Victor Flambaum, Julian King, Steve Curran, John Webb

Phys. Rev. D, 83:123506, (2011) (http://arxiv.org/abs/1009.0591)