Minisuperspace results for causal dynamical triangulations

Bekir Baytaş, Martin Bojowald, Sean Crowe, Jakub Mielczarek

Research output: Contribution to journalArticle

Abstract

Detailed applications of minisuperspace methods are presented and compared with results obtained in recent years by means of causal dynamical triangulations (CDTs), mainly in the form of effective actions. The analysis sheds light on conceptual questions such as the treatment of time or the role and scaling behavior of statistical and quantum fluctuations. In the case of fluctuations, several analytical and numerical results show agreement between the two approaches and offer possible explanations of effects that have been seen in causal dynamical triangulations but whose origin remained unclear. The new approach followed here suggests "CDT experiments" in the form of new simulations or evaluations motivated by theoretical predictions, testing CDTs as well as the minisuperspace approximation.

Original languageEnglish (US)
Article number019
JournalJournal of Cosmology and Astroparticle Physics
Volume2020
Issue number1
DOIs
StatePublished - Jan 7 2020

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics

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