High-redshift JWST Observations and Primordial Non-Gaussianity

被引：30

作者：

Biagetti, Matteo ^{[1
,2
,3
,4
]}

Franciolini, Gabriele ^{[5
,6
]}

Riotto, Antonio ^{[7
,8
,9
]}

机构：

[1] Inst Fundamental Phys Universe, Via Beirut 2, I-34151 Trieste, Italy

[2] SISSA Int Sch Adv Studies, Via Bonomea 265, I-34136 Trieste, Italy

[3] Ist Nazl Astrofis, Osservatorio Astron Trieste, via Tiepolo 11, I-34143 Trieste, Italy

[4] Ist Nazl Fis Nucl, Sez Trieste, via Valerio 2, I-34127 Trieste, Italy

[5] Sapienza Univ Roma, Dipartimento Fis, Piazzale Aldo Moro 5, I-00185 Rome, Italy

[6] INFN, Sez Roma, Piazzale Aldo Moro 2, I-00185 Rome, Italy

[7] Univ Geneva, Dept Phys Theor, 24 Quai E Ansermet, CH-1211 Geneva, Switzerland

[8] Univ Geneva, Ctr Astroparticle Phys CAP, 24 Quai E Ansermet, CH-1211 Geneva, Switzerland

[9] Univ Geneva, Gravitat Wave Sci Ctr GWSC, CH-1211 Geneva, Switzerland

来源：

ASTROPHYSICAL JOURNAL | 2023年 / 944卷 / 02期

基金：

欧盟地平线“2020”;

关键词：

HALO MASS FUNCTION; N-BODY SIMULATIONS; SCALE-DEPENDENT BIAS; INITIAL CONDITIONS; DARK; GALAXY; CLUSTERS; CONSTRAINTS; STATISTICS; EVOLUTION;

D O I：

10.3847/1538-4357/acb5ea

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Several bright and massive galaxy candidates at high redshifts have been recently observed by the James Webb Space Telescope. Such early massive galaxies seem difficult to reconcile with standard ? cold dark matter model predictions. We discuss under which circumstances such observed massive galaxy candidates can be explained by introducing primordial non-Gaussianity in the initial conditions of cosmological perturbations.

引用

页数：7

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