Domain walls in Horndeski gravity

Domain walls in Horndeski gravity

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The Horndeski gravity yields domain wall solutions that connect asymmetric vacua for a certain region of parameters.In the thin wall limit there exist BPS domain walls that connect stable candle snuffer big w vacua.That is, the false vacua in this theory follows the same effect obtained in supergravity vacua, i.

e., it does not decay according to Coleman-de Luccia theory and jazzy select gt parts the BPS solutions interpolating different vacua, e.g.

, non-degenerate AdS vacua, are static infinite planar domain walls separating vacua associated with different spacetimes.