Fine-structure variable?

被引：0

作者：

Antoinette Songaila

Lennox L. Cowie

机构：

[1] Antoinette Songaila and Lennox L. Cowie are at the Institute for Astronomy,

[2] University of Hawaii,undefined

来源：

Nature | 1999年 / 398卷

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摘要：

Over the entire history of the Universe it is possible that even the known physical constants are not truly constant. The fine-structure constant — which characterizes the strength of the attraction between electrons and photons — is predicted by some theories to vary over time. New data from quasar spectra provide an upper limit on such variation.

引用

页码：667 / 668

页数：1

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