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A brief introduction to extended gravity and connections to dark energy: Illustrated with scalar field examples

by Clare Burrage

This Submission thread is now published as

Submission summary

Authors (as registered SciPost users): Clare Burrage
Submission information
Preprint Link: scipost_202109_00007v2  (pdf)
Date accepted: 2021-12-23
Date submitted: 2021-12-13 14:06
Submitted by: Burrage, Clare
Submitted to: SciPost Physics Lecture Notes
Ontological classification
Academic field: Physics
  • Gravitation, Cosmology and Astroparticle Physics
Approaches: Theoretical, Observational


These lecture notes provide a brief introduction to extensions of gravity and their connections to dark energy. Due to time and space limitations this is not a comprehensive review of the field. Instead, I aim to introduce key concepts and ideas in this area through a series of examples based on scalar field extensions of gravity and models of dark energy.

Author comments upon resubmission

I would like to thank the referees for their helpful and constructive comments. I have endeavoured to take all of their comments and suggestions into account in the revised manuscript.

List of changes

Changes have been made throughout the article to clarify points, and add references and additional discussion.

Published as SciPost Phys. Lect. Notes 41 (2022)

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