Comment on ``Limits on the Time Variation of the Electromagnetic Fine-Structure Constant in the Low Energy Limit from Absorption Lines in the Spectra of Distant Quasars''
Abstract
A Comment on the Letter by R. Srianand et al., [Phys. Rev. Lett.PRLTAO0031-9007 92, 121302 (2004)10.1103/PhysRevLett.92.121302]. The authors of the Letter offer a Reply.
- Publication:
-
Physical Review Letters
- Pub Date:
- December 2007
- DOI:
- arXiv:
- arXiv:0708.3677
- Bibcode:
- 2007PhRvL..99w9001M
- Keywords:
-
- 98.80.Es;
- 06.20.Jr;
- 98.62.Ra;
- Observational cosmology;
- Determination of fundamental constants;
- Intergalactic matter;
- quasar absorption and emission-line systems;
- Lyman forest;
- Astrophysics;
- High Energy Physics - Theory;
- Physics - Atomic Physics
- E-Print:
- 1+2 pages, 1 EPS figure. Page 1 accepted as PRL Comment on arXiv:astro-ph/0402177 . Further details available in arXiv:astro-ph/0612407 . v2: Added critical discussion of Reply from Srianand et al. (arXiv:0711.1742)