Probing the sound speed and clustering of dark energy.
∼0.3 - 0.4. Our findings demonstrate that current data are now sensitive to the perturbative properties of dynamical dark energy, opening a new observational window on the nature of cosmic acceleration.
Authors
- Emmanuel N. Saridakis (ORCID: https://orcid.org/0000-0003-1500-0874)
- Yuhang Yang (ORCID: https://orcid.org/0000-0003-3964-5052)
- Yi-Fu Cai (ORCID: https://orcid.org/0000-0003-0706-8465)
- Qingqing Wang
- Xin Ren
Institutions
- University of Science and Technology of China (CN)
- National Observatory of Athens (GR)
- Institute of Theoretical Physics (CN)
Publication Details
- Journal
- PubMed
- Published
- 2026-09-15
- DOI
- https://doi.org/10.1016/j.scib.2026.08.004
- Primary Topic
- Cosmology and Gravitation Theories
- Type
- article
- Field-Weighted Citation Impact
- 0.00