Minkowski space in f(T) gravity

Jose Beltrán Jiménez, Alexey Golovnev, Tomi Koivisto, and Hardi Veermäe
Phys. Rev. D 103, 024054 – Published 27 January 2021
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  • INTRODUCTION
  • FLAT SPACE IN f(T) AND EXTRA MODES
  • A PERTURBATIVE TREATMENT
  • DISCUSSION
  • ACKNOWLEDGMENTS
    • References

    Abstract

    The full set of solutions of f(T) gravity with the Minkowski metric is considered in this note. At the fourth order in perturbations around the trivial tetrad solution, a new mode is found explicitly. Its presence signals a strong coupling problem that transcends the Minkowski background and also suggests the ill-defined nature of cosmological solutions.

    • Received 28 April 2020
    • Accepted 28 October 2020

    DOI:https://doi.org/10.1103/PhysRevD.103.024054

    © 2021 American Physical Society

    Physics Subject Headings (PhySH)

    1. Research Areas
    Alternative gravity theories
    Gravitation, Cosmology & Astrophysics

    Authors & Affiliations

    Jose Beltrán Jiménez1,*, Alexey Golovnev2,†, Tomi Koivisto3,4,‡, and Hardi Veermäe4,§

    • 1Departamento de Física Fundamental and IUFFyM, Universidad de Salamanca, E-37008 Salamanca, Spain
    • 2Centre for Theoretical Physics, The British University in Egypt, 11837 El Sherouk City, Cairo Governorate, Egypt
    • 3Laboratory of Theoretical Physics, Institute of Physics, University of Tartu, West Ostwaldi 1, 50411 Tartu, Estonia
    • 4National Institute of Chemical Physics and Biophysics, Rävala puiestee 10, 10143 Tallinn, Estonia

    • *jose.beltran@usal.es
    • †agolovnev@yandex.ru
    • ‡tomik@astro.uio.no
    • §hardi.veermae@cern.ch

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    Issue

    Vol. 103, Iss. 2 — 15 January 2021

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