Indirect detection of Cosmological Constant from interacting open quantum system
Abstract
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.
Keywords
Cite
@article{arxiv.2004.13058,
title = {Indirect detection of Cosmological Constant from interacting open quantum system},
author = {Subhashish Banerjee and Sayantan Choudhury and Satyaki Chowdhury and Rathindra Nath Das and Nitin Gupta and Sudhakar Panda and Abinash Swain},
journal= {arXiv preprint arXiv:2004.13058},
year = {2022}
}
Comments
28 pages, 7 figures, This project is the part of the non-profit virtual international research consortium "Quantum Structures of the Space-Time & Matter (QASTM)", Accepted for publication in Annals of Physics