No stable static spherically symmetric wormholes in Horndeski theory

Oleg Evseev, Oleg Melichev, V.E. Volkova, Y.V. Zhezher, D.G. Levkov, V.A. Rubakov, V.A. Matveev
2018 EPJ Web of Conferences  
We consider the most general theory of a single scalar field with the second order field equations, the Horndeski theory, in four-dimensional space-time. We show that static, spherically symmetric, asymptotically flat, Lorentzian wormholes are unstable in this theory. *
doi:10.1051/epjconf/201819107012 fatcat:wfwiv5kzjbempe3nvyycc5fpcy