Skip to main content
Ctrl+K

CLASSpp

  • Tutorials
  • Cosmology models
  • C++ API
  • GitHub
  • Tutorials
  • Cosmology models
  • C++ API
  • GitHub

Section Navigation

  • Axions in CLASSpp: exact scalar-field treatment and the pheno-axion EDE fluid
  • Dark matter decaying to massive decay products (dcdm_wdm)
  • Self-interacting neutrinos
  • Hot New Early Dark Energy
  • Dark energy with the PPF formalism
  • Cosmology models

Cosmology models#

Worked examples of extended cosmologies implemented in CLASSpp, executed nightly against master.

  • Axions in CLASSpp: exact scalar-field treatment and the pheno-axion EDE fluid
  • Dark matter decaying to massive decay products (dcdm_wdm)
  • Self-interacting neutrinos
  • Hot New Early Dark Energy
  • Dark energy with the PPF formalism

previous

Scalar and tensor CMB spectra

next

Axions in CLASSpp: exact scalar-field treatment and the pheno-axion EDE fluid

Show Source

© Copyright 2026, Aarhus Cosmology.

Created using Sphinx 8.2.3.

Built with the PyData Sphinx Theme 0.20.0.