CMB-HD as a probe of dark matter on sub-galactic scales

IF 5.3 2区物理与天体物理 Q1 ASTRONOMY & ASTROPHYSICS Journal of Cosmology and Astroparticle Physics Pub Date : 2025-02-20 DOI:10.1088/1475-7516/2025/02/048

Amanda MacInnis and Neelima Sehgal

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Abstract

We show for the first time that high-resolution CMB lensing observations can probe structure on sub-galactic scales. In particular, a CMB-HD experiment can probe out to k ∼ 55 h/Mpc, corresponding to halo masses of about 108 M⊙. Over the range 0.005 h/Mpc

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来源期刊

Journal of Cosmology and Astroparticle Physics 地学天文-天文与天体物理

CiteScore

10.20

自引率

23.40%

发文量

632

审稿时长

1 months

期刊介绍： Journal of Cosmology and Astroparticle Physics (JCAP) encompasses theoretical, observational and experimental areas as well as computation and simulation. The journal covers the latest developments in the theory of all fundamental interactions and their cosmological implications (e.g. M-theory and cosmology, brane cosmology). JCAP''s coverage also includes topics such as formation, dynamics and clustering of galaxies, pre-galactic star formation, x-ray astronomy, radio astronomy, gravitational lensing, active galactic nuclei, intergalactic and interstellar matter.