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Title: Stable wormholes in scalar-tensor theories

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2];  [3]; ORCiD logo [2];  [4]
  1. Center for Astroparticle Physics, Geneva (Switzerland); DOE/OSTI
  2. Columbia Univ., New York, NY (United States)
  3. Carnegie Mellon Univ., Pittsburgh, PA (United States)
  4. Istituto Nazionale di Fisica Nucleare (INFN), Pisa (Italy); Scuola Normale Superiore (SNS), Pisa (Italy)

We reconsider the issue of whether scalar-tensor theories can admit stable wormhole configurations supported by a non-trivial radial profile for the scalar field. Using a recently proposed effective theory for perturbations around static, spherically symmetric backgrounds, we show that scalar-tensor theories of “beyond Horndeski” type can have wormhole solutions that are free of ghost and gradient instabilities. Such solutions are instead forbidden within the more restrictive “Horndeski” class of theories.

Research Organization:
Columbia Univ., New York, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0011941
OSTI ID:
1611712
Journal Information:
Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 1 Vol. 2019; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (8)

Existence and Instability of Novel Hairy Black Holes in Shift-symmetric Horndeski Theories text January 2020
Static response and Love numbers of Schwarzschild black holes text January 2020
Testing gravity with the two-body problem preprint January 2020
Effective field theory of black hole quasinormal modes in scalar-tensor theories journal February 2019
More about stable wormholes in beyond Horndeski theory journal June 2019
Horndeski theory and beyond: a review journal July 2019
Bounce in general relativity and higher-order derivative operators journal April 2019
Effective Field Theory of Black Hole Quasinormal Modes in Scalar-Tensor Theories text January 2018

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