What question did this study set out to answer?

Investigate non-linear structure formation in regimes with suppressed small-scale density perturbations and develop generalized analytical recipes for key halo properties across varied dark matter candidates.

August 1, 2015Open Access

Structure formation with suppressed small-scale perturbations

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ASAurel SchneiderUniversity of Zurich

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Implication

Analytical and numerical modeling uncovers universal halo properties across suppressed dark matter models, suggesting simple recipes accurately predict structure formation below cutoff scales.

Key Points

Investigate non-linear structure formation in regimes with suppressed small-scale density perturbations and develop generalized analytical recipes for key halo properties across varied dark matter candidates.
Combined theoretical analytical formulations with high-resolution numerical simulations to evaluate structure formation around suppressed small-scale matter perturbations.
Formulated recipes for halo mass functions, satellite abundances, and halo concentrations applicable to power spectra with arbitrary cutoff scales and suppression shapes.
Tested models across warm dark matter, mixed dark matter, and weakly interacting massive particle (WIMP) scenarios compared to ideal cold dark matter with zero primordial temperature.
Analytical recipes for halo mass function, satellite counts, and concentrations accurately reproduced numerical simulation results across all evaluated dark matter scenarios.
Validated that the theoretically derived models generalize to arbitrary suppression scales and shapes without requiring scenario-specific recalibration.

Cite This Study

Aurel Schneider (2015) studied this question.

synapsesocial.com/papers/6aa404cfe7e1fc23507494ad https://doi.org/10.1093/mnras/stv1169

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Implication

Analytical and numerical modeling uncovers universal halo properties across suppressed dark matter models, suggesting simple recipes accurately predict structure formation below cutoff scales.

Structure formation with suppressed small-scale perturbations

Discussion

Member takes

Implication

Key Points

Cite This Study

Structure formation with suppressed small-scale perturbations

Discussion

Member takes

Implication

Key Points

Cite This Study

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