Quantum decoherence of primordial perturbations through nonlinear scaler-tensor interaction
General Relativity and Quantum Cosmology
2018-06-21 v1 Cosmology and Nongalactic Astrophysics
High Energy Physics - Theory
Abstract
Scaler and tensor perturbations couple nonlinearly with each other in the Einstein-Hilbert action. We show that such interaction naturally leads to the quantum decoherence of the primordial perturbations during inflation at horizon crossing. The dominant interaction Hamiltonian contributing to decoherence is identified and the master equation responsible for the decohering process is derived.
Keywords
Cite
@article{arxiv.1806.07672,
title = {Quantum decoherence of primordial perturbations through nonlinear scaler-tensor interaction},
author = {Gen Ye and Yun-Song Piao},
journal= {arXiv preprint arXiv:1806.07672},
year = {2018}
}
Comments
23 pages, 3 figures