Open AccessTesting Theories That Predict Time Variation of Fundamental Constants
Author(s) -
Susana J. Landau,
H. Vucetich
Publication year - 2002
Publication title -
the astrophysical journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.376
H-Index - 489
eISSN - 1538-4357
pISSN - 0004-637X
DOI - 10.1086/339775
Subject(s) - variation (astronomy) , econometrics , computer science , mathematics , physics , astrophysics
We consider astronomical and local bounds on time variation of fundamentalconstants to test some generic Kaluza-Klein-like models and some particularcases of Beckenstein theory. Bounds on the free parameters of the differenttheories are obtained. Furthermore, we find that none of the proposed models,is able to explain recent results [Webb99,Webb00] claiming an observedvariation of the fine structure constant from quasar absorption systems atredshifts $0.5
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