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Covariant multi-galileons and their generalisation

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arxiv 1210.4026 v2 pith:WYWPTLC5 submitted 2012-10-15 gr-qc astro-ph.COhep-th

Antonio Padilla , Vishagan Sivanesan This is my paper · ORCID
classification gr-qcastro-ph.COhep-th
keywords covarianttheoryarriveclasscompletionconjecturedescribingenlarged
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We find a covariant completion of the flat-space multi-galileon theory, preserving second-order field equations. We then generalise this to arrive at an enlarged class of second order theories describing multiple scalars and a single tensor, and conjecture that these are a multi-scalar version of Horndeski's most general scalar-tensor theory.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Removing Ostrogradsky modes in multi-field higher-order scalar-tensor theories

    gr-qc 2026-06 unverdicted novelty 7.0 of 10

    Derives primary degeneracy matrix conditions, antisymmetric consistency conditions from constraint preservation, and a final rank condition sufficient to ensure quadratic multi-field higher-derivative scalar-tensor th...

  2. A New Definition of Horndeski Theory and the Possibility of Multiple Scalar Field Extensions

    gr-qc 2025-11 conditional novelty 6.0 of 10

    Horndeski theory is re-characterized as the disformally-closed class anchored to a minimal seed action, reproducing the known single-field action and generating multi-field antisymmetric terms, with full multi-field v...

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