Video URL
https://pirsa.org/25090041Cosmic acceleration through a new lens: synergies between galaxy surveys and the CMB
APA
Baleato Lizancos, A. (2025). Cosmic acceleration through a new lens: synergies between galaxy surveys and the CMB. Perimeter Institute for Theoretical Physics. https://pirsa.org/25090041
MLA
Baleato Lizancos, Anton. Cosmic acceleration through a new lens: synergies between galaxy surveys and the CMB. Perimeter Institute for Theoretical Physics, Sep. 02, 2025, https://pirsa.org/25090041
BibTex
@misc{ scivideos_PIRSA:25090041, doi = {10.48660/25090041}, url = {https://pirsa.org/25090041}, author = {Baleato Lizancos, Anton}, keywords = {Cosmology}, language = {en}, title = {Cosmic acceleration through a new lens: synergies between galaxy surveys and the CMB}, publisher = {Perimeter Institute for Theoretical Physics}, year = {2025}, month = {sep}, note = {PIRSA:25090041 see, \url{https://scivideos.org/index.php/pirsa/25090041}} }
Anton Baleato Lizancos UC Berkeley
Abstract
Two puzzling periods of accelerated expansion are thought to bookend the timeline of our Universe: cosmic inflation in the beginning, and dark energy domination in recent times. New observations from experiments such as DESI and the Simons Observatory are enabling unprcedented insights into both of these epochs. In this talk, I will highlight the critical and cross-cutting role of gravitational lensing in realizing this scientific promise, focusing on recent joint analyses of CMB lensing and galaxy clustering in redshift space, as well as delensing of CMB B-mode polarization. Along the way, I will discuss several enabling methodological developments, including a new understanding of extragalactic CMB foregrounds, fingers-of-god, pixel-free estimators, and more.