Reconciling cosmic dipolar tensions with a gigaparsec void
Cosmology and Nongalactic Astrophysics
2025-05-12 v3 General Relativity and Quantum Cosmology
High Energy Physics - Phenomenology
High Energy Physics - Theory
Abstract
Recent observations indicate a tension between the CMB and quasar dipoles. This tension challenges the cosmological principle. We propose that if we live in a gigaparsec scale void, the CMB and quasar dipolar tension can be reconciled. This is because we are unlikely to live at the center of the void. And a within 10\% offset from the center will impact the quasars and CMB differently in their dipolar anisotropies. As we consider a large and thick void, our setup can also ease the Hubble tension.
Cite
@article{arxiv.2211.06857,
title = {Reconciling cosmic dipolar tensions with a gigaparsec void},
author = {Tingqi Cai and Qianhang Ding and Yi Wang},
journal= {arXiv preprint arXiv:2211.06857},
year = {2025}
}
Comments
19 pages, 16 figures