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arXiv 2004.13058hep-thcond-mat.stat-mechgr-qchep-phquant-ph
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从相互作用开放量子系统间接探测宇宙学常数

Indirect detection of Cosmological Constant from interacting open quantum system

Subhashish Banerjee, Sayantan Choudhury, Satyaki Chowdhury, Rathindra Nath Das, Nitin Gupta, Sudhakar Panda, Abinash Swain

摘要:

本文研究了一个相互作用自旋的开放量子系统与热浴、无质量标量场与静态de Sitter背景最小耦合的弱相互作用,通过计算光谱位移间接探测宇宙学常数.通过假设自旋之间的成对相互作用,我们使用叠加原理的概括来构造状态。相应的光谱位移,由于Casimir Polder相互作用的系统的有效哈密顿量所造成的,被认为是在预测一个非常小的值的宇宙学常数,在静态补丁的de Sitter空间,这是一致的观测值从普朗克测量的宇宙微波背景(CMB)的各向异性发挥了至关重要的作用。

英文摘要:

We study the indirect detection of Cosmological Constant from an open quantum system of interacting spins, weakly interacting with a thermal bath, a massless scalar field minimally coupled with the static de Sitter background, by computing the spectroscopic shifts. By assuming pairwise interaction between spins, we construct states using a generalisation of the superposition principle. The corresponding spectroscopic shifts, caused by the effective Hamiltonian of the system due to Casimir Polder interaction, are seen to play a crucial role in predicting a very tiny value of the Cosmological Constant, in the static patch of de Sitter space, which is consistent with the observed value from the Planck measurements of the cosmic microwave background (CMB) anisotropies.

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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