Cadabra and Python algorithms in General Relativity and Cosmology II: Gravitational Waves

Computer Algebra Systems (CASs) like Cadabra Software play a prominent role in a wide range of research activities in physics and related fields. We show how Cadabra language is easily implemented in the well established Python programming framework, gaining excellent flexibility and customization t...

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Vydáno v:arXiv.org
Hlavní autoři: Castillo-Felisola, Oscar, Price, Dominic T, Scomparin, Mattia
Médium: Paper
Jazyk:angličtina
Vydáno: Ithaca Cornell University Library, arXiv.org 30.09.2022
Témata:
Algorithms
Computer algebra
Cosmology
Gravitational waves
Perturbation
Programming languages
Python
Relativity
Tensors
ISSN:2331-8422
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Shrnutí:Computer Algebra Systems (CASs) like Cadabra Software play a prominent role in a wide range of research activities in physics and related fields. We show how Cadabra language is easily implemented in the well established Python programming framework, gaining excellent flexibility and customization to address the issue of tensor perturbations in General Relativity. We obtain a performing algorithm to decompose tensorial quantities up to any perturbative order of the metric. The features of our code are tested by discussing some concrete computational issues in research activities related to first/higher-order gravitational waves.
Bibliografie:SourceType-Working Papers-1
ObjectType-Working Paper/Pre-Print-1
content type line 50
ISSN:2331-8422
DOI:10.48550/arxiv.2210.00007