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Spectra of Distant Quasars and Verification of Possible Variation of Fundamental Constants over Cosmological Time-Scales

Published online by Cambridge University Press:  19 July 2016

D.A. Varshalovich  and
A.Y. Potekhin
D.A. Varshalovich
Affiliation:
Department of Theoretical Astrophysics, A.F. Ioffe Institute of Physics and Technology, Politekhnicheskaya 26, St. Petersburg, 194021, Russia
A.Y. Potekhin
Affiliation:
Department of Theoretical Astrophysics, A.F. Ioffe Institute of Physics and Technology, Politekhnicheskaya 26, St. Petersburg, 194021, Russia

Abstract

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Constraints on possible variation rate of the fine-structure constant, , and the electron-proton mass ratio , over cosmological time scales are obtained from analyses of quasar spectroscopic data.

Type
Poster Contributions: Emission Processes
Information
Symposium - International Astronomical Union , Volume 159: Multi-Wavelength Continuum Emission of AGN , 1994 , pp. 361 - 362
Copyright
Copyright © Kluwer 1994 

References

Potekhin, A.Y., Varshalovich, D.A. 1993, Astron. Astrophys. (in press) Google Scholar
Varshalovich, D.A., Levshakov, S.A. 1993, Pisma v Zh. Eksp. Teor. Fiz. (Sov. Phys.–JETP Lett.) 58, No. 4 Google Scholar