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hi_class: Horndeski in the Cosmic Linear Anisotropy Solving System
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA.
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2017 (English)In: Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, E-ISSN 1475-7516, no 8, article id 019Article in journal (Refereed) Published
Abstract [en]

We present the public version of hi cl a ss (www . hiclass-code . net), an extension of the Boltzmann code CLASS to a broad ensemble of modifications to general relativity. In particular, hi cl a ss 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-class 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.

Place, publisher, year, edition, pages
IOP PUBLISHING LTD , 2017. no 8, article id 019
Keywords [en]
modified gravity, dark energy theory, cosmological parameters from CMBR, cosmological parameters from LSS
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:kth:diva-214901DOI: 10.1088/1475-7516/2017/08/019ISI: 000408311900019Scopus ID: 2-s2.0-85030671882OAI: oai:DiVA.org:kth-214901DiVA, id: diva2:1151254
Note

QC 20171023

Available from: 2017-10-23 Created: 2017-10-23 Last updated: 2017-11-29Bibliographically approved

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Zumalacarregui, Miguel
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