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Optical transitions in highly-charged californium ions with high sensitivity to variation of the fine-structure constant
Optical transitions highly-charged californium ions variation of the fine-structure constant Atomic Physics
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2012/4/19
We study electronic transitions in highly-charged Cf ions that are within the frequency range of optical lasers and have very high sensitivity to potential variations in the fine-structure constant, a...
Future constraints on variations of the fine structure constant from combined CMB and weak lensing measurements
Future constraints variations fine structure constant combined CMB weak lensing measurements
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2012/2/21
We forecast the ability of future CMB and galaxy lensing surveys to constrain variations of the fine structure constant. We found that lensing data, as those expected from satellite experiments as Euc...
Domain wall solution in $F(R)$ gravity and variation of the fine structure constant
solution gravity variation fine structure
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2011/10/18
We construct a domain wall solution in $F(R)$ gravity. We first compare a scalar field theory having a runaway type potential with a corresponding scalar field theory obtained through a conformal tran...
The effective fine structure constant of freestanding graphene measured in graphite
effective fine structure constant graphite
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2010/11/18
Electrons in graphene behave like Dirac fermions, permitting phenomena from high energy
physics to be studied in a solid state setting. A key question is whether or not these Fermions are critically ...
Variation of the fine-structure constant from the de Sitter invariant special relativity
quasi-stellar objects Oklo nature nuclear reactor Dirac large number hypothesis de Sitter invariant special relativity
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2009/8/13
We discuss the variation of the fine-structure constant, α. There are obvious discrepancies among the results of α-variation from recent Quasi-stellar observation experiments and from the Oklo uranium...