Freeze-in dark matter perturbations are adiabatic

被引：4
|
作者：
Racco, D. [1 ]
Riotto, A. [2 ,3 ]
机构：
[1] Stanford Univ, Stanford Inst Theoret Phys, 382 Via Pueblo, Stanford, CA 94305 USA
[2] Dept Theoret Phys, 24 Quai E Ansermet, CH-1211 Geneva 4, Switzerland
[3] Gravitat Wave Sci Ctr, 24 Quai E Ansermet, CH-1211 Geneva 4, Switzerland
来源：
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2023年 / 01期
关键词：
physics of the early universe; cosmological perturbation theory; dark matter theory;
D O I：
10.1088/1475-7516/2023/01/020
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We show that the large-scale perturbations in the dark matter generated by the freeze-in mechanism are only of adiabatic nature. The freeze-in mechanism is not at odds with the current stringent constraints on isocurvature perturbations.
引用
收藏
页数：9
相关论文
共 50 条
  • [41] FREEZE-IN REGION FOR SELF-INTERACTING VECTOR DARK MATTER
    Duch, Mateusz
    Grzadkowski, Bohdan
    Huang, Da
    ACTA PHYSICA POLONICA B, 2017, 48 (12): : 2397 - 2404
  • [42] Positivity bounds on Higgs-portal freeze-in dark matter
    Seong-Sik Kim
    Hyun Min Lee
    Kimiko Yamashita
    Journal of High Energy Physics, 2023
  • [43] Thermally corrected masses and freeze-in dark matter: A case study
    Chakrabarty, Nabarun
    Konar, Partha
    Roshan, Rishav
    Show, Sudipta
    PHYSICAL REVIEW D, 2023, 107 (03)
  • [44] Dark matter freeze-in with a heavy mediator: beyond the EFT approach
    Frangipane, Evan
    Gori, Stefania
    Shakya, Bibhushan
    JOURNAL OF HIGH ENERGY PHYSICS, 2022, 2022 (09)
  • [45] Freeze-in produced dark matter in the ultra-relativistic regime
    Biondini, Simone
    Ghiglieri, Jacopo
    JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2021, (03):
  • [46] Freeze-in bino dark matter in high-scale supersymmetry
    Han, Chengcheng
    Wu, Peiwen
    Yang, Jin Min
    Zhang, Mengchao
    PHYSICAL REVIEW D, 2024, 109 (03)
  • [47] Dark Matter Freeze-in Production in Fast-Expanding Universes
    D'Eramo, Francesco
    Fernandez, Nicolas
    Profumo, Stefano
    JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2018, (02):
  • [48] Warm dark matter from a gravitational freeze-in in extra dimensions
    A. de Giorgi
    S. Vogl
    Journal of High Energy Physics, 2023
  • [49] Dark Matter freeze-in during warm inflation and the seesaw mechanism
    Rayff de Souza
    Jamerson G. Rodrigues
    Clarissa Siqueira
    Felipe B. M. dos Santos
    Jailson Alcaniz
    Journal of High Energy Physics, 2025 (4)
  • [50] Positivity bounds on Higgs-portal freeze-in dark matter
    Kim, Seong-Sik
    Lee, Hyun Min
    Yamashita, Kimiko
    JOURNAL OF HIGH ENERGY PHYSICS, 2023, 2023 (11)
12345