Journal
CLASSICAL AND QUANTUM GRAVITY
Volume 37, Issue 6, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1361-6382/ab7074
Keywords
cosmology; scalar-tensor gravity; singularities
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Funding
- STFC of the UK
- STFC [ST/P000673/1] Funding Source: UKRI
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We show that cosmological sudden singularities that respect the energy conditions can occur at finite times in Brans-Dicke and more general scalar-tensor theories of gravity. We construct these explicitly in the Friedmann universes. Higher-order versions of these singularities are also possible, including those that arise with when scalar fields have a self-interaction potential of power-law form.
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