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arXiv 1504.04154gr-qc
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de Sitter宇宙中Maxwell场与带电标量场的相互作用

Interaction between Maxwell field and charged scalar field in de Sitter universe

Cosmin Crucean, Mihaela-Andreea Băloi

摘要:

研究了de Sitter背景下带电标量场与麦克斯韦场的相互作用理论。通过求解相互作用场的方程,我们定义内外场为渐近自由场,并构造了标量场的约化形式。然后我们推导出散射算子的微扰展开式。本文分析了由德西特真空产生粒子和外场中产生对所对应的一级跃迁振幅。我们证明了所有这些效应只在强引力场中才重要,在平坦极限中消失。

英文摘要:

We study the theory of interaction between charged scalar field and Maxwell field in de Sitter background. Solving the equation of interacting fields we define the in-out fields as asymptotic free fields and construct the reduction formalism for scalar field. Then we derive the perturbation expansion of the scattering operator. The first order transition amplitudes corresponding to particle production from de Sitter vacuum and pair production in an external field are analysed. We show that all these effects are important only in strong gravitational fields and vanish in the flat limit.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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