hi_class: Horndeski in the Cosmic Linear Anisotropy Solving System - INSPIRE

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hi_class: Horndeski in the Cosmic Linear Anisotropy Solving System

Miguel Zumalacárregui
(
- Nordita and
- U. Heidelberg, ITP and
- LBL, Berkeley and
- UC, Berkeley
)
,
Emilio Bellini
(
- ICC, Barcelona U. and
- Oxford U.
)
,
Ignacy Sawicki
(
- Prague, Inst. Phys.
)
,
Julien Lesgourgues
(
- RWTH Aachen U.
)
,
Pedro G. Ferreira
(
- Oxford U.
)

May 19, 2016

28 pages

Published in:

JCAP 08 (2017) 019

Published: Aug 16, 2017

e-Print:

1605.06102 [astro-ph.CO]

DOI:

10.1088/1475-7516/2017/08/019

Report number:

NORDITA-2016-41

View in:

ADS Abstract Service

reference search210 citations

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Abstract: (IOP)

We present the public version of hi_class (www.hiclass-code.net), an extension of the Boltzmann code CLASS to a broad ensemble of modifications to general relativity. In particular, hi_class can calculate predictions for models based on Horndeski's theory, which is the most general scalar-tensor theory described by second-order equations of motion and encompasses any perfect-fluid dark energy, quintessence, Brans-Dicke, f(R) and covariant Galileon models. hi_clas has been thoroughly tested and can be readily used to understand the impact of alternative theories of gravity on linear structure formation as well as for cosmological parameter extraction.

Note:

17 pages + appendices, 4 figures, code available on https://github.com/miguelzuma/hi_class_public

modified gravity
dark energy theory
cosmological parameters from CMBR
cosmological parameters from LSS
Monte Carlo: Markov chain
expansion: acceleration
gravitation: model
dark energy
effective field theory
cosmological model

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Figures(6)

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