Structure Formation Physics
Andrew Benson edited this page Feb 17, 2023
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1 revision
Below is a flowchart indicating the ingredients of Galacticus structure formation model. (Galacticus is highly modular - many different ingredients can be included and excluded - this is intended just as a typical example.)
flowchart LR
Cosmology[<a href='https://github.com/galacticusorg/galacticus/releases/download/bleeding-edge/Galacticus_Physics.pdf#physics.cosmologyParameters' style='text-decoration: none'>Cosmology</a>]
Power[<a href='https://github.com/galacticusorg/galacticus/releases/download/bleeding-edge/Galacticus_Physics.pdf#physics.powerSpectrumPrimordial' style='text-decoration: none'>Power spectrum</a>]
Transfer[<a href='https://github.com/galacticusorg/galacticus/releases/download/bleeding-edge/Galacticus_Physics.pdf#physics.transferFunction' style='text-decoration: none'>Transfer function</a>]
Window[<a href='https://github.com/galacticusorg/galacticus/releases/download/bleeding-edge/Galacticus_Physics.pdf#physics.powerSpectrumWindowFunction' style='text-decoration: none'>Window function</a>]
Linear[<a href='https://github.com/galacticusorg/galacticus/releases/download/bleeding-edge/Galacticus_Physics.pdf#physics.linearGrowth' style='text-decoration: none'>Linear growth</a>]
Variance["<a href='https://github.com/galacticusorg/galacticus/releases/download/bleeding-edge/Galacticus_Physics.pdf#physics.cosmologicalMassVariance' style='text-decoration: none'>δ<sub>c</sub>(t)</a>"]
Critical["<a href='https://github.com/galacticusorg/galacticus/releases/download/bleeding-edge/Galacticus_Physics.pdf#physics.criticalOverdensity' style='text-decoration: none'>σ(M)</a>"]
Environment["<a href='https://github.com/galacticusorg/galacticus/releases/download/bleeding-edge/Galacticus_Physics.pdf#physics.haloEnvironment' style='text-decoration: none'>Environment</a>"]
HMF[<a href='https://github.com/galacticusorg/galacticus/releases/download/bleeding-edge/Galacticus_Physics.pdf#physics.haloMassFunction' style='text-decoration: none'>Halo mass function</a>]
Cosmology --> Linear
Cosmology --> Transfer
Power --> Transfer
Environment --> Variance
Transfer --> Variance
Window --> Variance
Linear --> Critical
Critical --> HMF
Cosmology --> HMF
Variance --> HMF
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Tutorials
- Introduction to Galacticus parameter files
- Dark matter halo mass function
- Warm dark matter halo mass function
- Power spectra
- Warm dark matter power spectra
- Dark matter only merger trees
- Subsampling of merger tree branches
- Dark matter only subhalo evolution
- Solving the excursion set problem
- Reionization calculations
- Instantaneous & Non-instantaneous recycling
- Computing Broadband Stellar Luminosities
- Postprocessing of stellar spectra
- Using N-body Merger Trees
- Generating Mock Catalogs with Lightcones
- Constraining Galacticus parameters
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How Galacticus works
- Structure Formation Flowchart
- Merger Tree Building Flowchart
- How Galacticus Evolves Halos and Galaxies
- Galaxy Physics Flowchart
- CGM Cooling Physics Flowchart
- Star Formation Physics Flowchart
- Outflow Physics Flowchart
- Galactic Structure Flowchart
- CGM Physics Flowchart
- SMBH Physics Flowchart
- Subhalo Evolution Flowchart
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Contributing
- Coding conventions
- Coding tutorials
-
Reference models
- Benchmarks and validation scores
- Validation plots and data