The build up of the correlation between halo spin and the large scale structure

Abstract

Both simulations and observations have confirmed that the spin of haloes/galaxies is correlated with the large scale structure (LSS) with a mass dependence such that the spin of low-mass haloes/galaxies tend to be parallel with the LSS, while that of massive haloes/galaxies tend to be perpendicular with the LSS. It is still unclear how this mass dependence is built up over time. We use N-body simulations to trace the evolution of the halo spin-LSS correlation and find that at early times the spin of all halo progenitors is parallel with the LSS. As time goes on, mass collapsing around massive halo is more isotropic, especially the recent mass accretion along the slowest collapsing direction is significant and it brings the halo spin to be perpendicular with the LSS. Adopting the $fractional$ $anisotropy$ (FA) parameter to describe the degree of anisotropy of the large-scale environment, we find that the spin-LSS correlation is a strong function of the environment such that a higher FA (more anisotropic environment) leads to an aligned signal, and a lower anisotropy leads to a misaligned signal. In general, our results show that the spin-LSS correlation is a combined consequence of mass flow and halo growth within the cosmic web. Our predicted environmental dependence between spin and large-scale structure can be further tested using galaxy surveys.

9 pages, 7 figures, 2 tables, Accepted for publication in MNRAS

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Cited by in corpus (35)

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• The Cosmic Ballet II: Spin alignment of galaxies and haloes with large-scale filaments in the EAGLE simulation
• Possible observational evidence that cosmic filaments spin
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• Alignment between filaments and galaxy spins from the MaNGA integral-field survey
• The Imprint of Cosmic Web Quenching on Central Galaxies
• Formation and Morphology of the First Galaxies in the Cosmic Morning
• Deviations from tidal torque theory: evolution of the halo spin-filament alignment
• Observational search for primordial chirality violations using galaxy angular momenta
• The lopsided distribution of satellites of isolated central galaxies
• Large-scale asymmetry in galaxy spin directions: evidence from the Southern hemisphere
• Analysis of spin directions of galaxies in the DESI Legacy Survey
• Living with Neighbors. III. The Origin of the Spin$-$Orbit Alignment of Galaxy Pairs: A Neighbor versus the Large-scale Structure
• Anisotropic satellite accretion onto the Local Group with HESTIA
• A robust determination of halo environment in the cosmic field
• Analysis of $\sim 10^6$ spiral galaxies from four telescopes shows large-scale patterns of asymmetry in galaxy spin directions
• Detection of the Mass-Dependent Dual-Type Transition of Galaxy Spins in IllustrisTNG Simulations
• Baryonic Effects on Lagrangian Clustering and Angular Momentum Reconstruction
• Cosmic filament spin -- II: filament spin and its impact on galaxy spin-filament alignment in a cosmological simulation
• Spin speed correlations and the evolution of galaxy-halo systems
• Large-scale asymmetry in the distribution of galaxy spin directions -- analysis and reproduction
• Measuring cosmic filament spin with the kinetic Sunyaev-Zel'dovich effect
• Correlating galaxy shapes and initial conditions: an observational study
• Large-scale asymmetry in galaxy spin directions -- analysis of galaxies with spectra in DES, SDSS, and DESI Legacy Survey
• Evaluating the origins of the secondary bias based on the correlation of halo properties with the linear density field
• Living with Neighbors. IV. Dissecting the Spin$-$Orbit Alignment of Dark Matter Halos: Interacting Neighbors and the Local Large-scale Structure
• The Density Parity Model for the Evolution of the Subhalo Inner Spin Alignments with the Cosmic Web
• Mock Observations: Three Different Types of Galaxy Alignment in TNG100 Simulations
• Cosmic filament spin -- I: a comparative study in observation
• Intrinsic alignments of the extended radio continuum emission of galaxies in the EAGLE simulations
• The Influence of Subhaloes on Host Halo Properties
• Galaxy Spin Alignment with Tidal Fields in the SDSS-IV MaNGA Survey
• Alignment of spiral and elliptical galaxies from Siena Galaxy Atlas with filaments
• Cosmic Web-Halo Connection Between Twin Universes
• Halo spin and orientation in Interacting Dark Matter Dark Energy Cosmology