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Time variation of fundamental constants in nonstandard cosmological models

机译:非标准宇宙模型中基本常数的时间变化

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In this work we have studied the lithium problem in nonstandard cosmological models. In particular, by using the public code ALTERBBN, we have included in the computation of the primordial light nuclei abundances, the effects of the inclusion of dark energy and dark entropy, along with the variation of the fine structure constant and the Higgs vacuum expectation value. In order to set constrains on the variation of the fundamental constants we have compared our theoretical results with the available observational data. We have found that the lithium abundance is reduced for not-null variation at the 3 sigma-level of both constants.
机译:在这项工作中,我们研究了非标准宇宙模型中的锂问题。 特别地,通过使用公共代码AlterBBN,我们已经包含在原始光核丰富的计算中,暗量和暗熵的效果,以及精细结构常数的变化和HGGS真空预期值 。 为了使我们对基本常量的变化进行了约束,我们将我们的理论结果与可用的观察数据进行了比较。 我们发现锂丰度降低了两种常量的3个Σ-级的非空变化。

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