2009

Covariant Galileon

Deffayet, C., Esposito-Farese, G., Vikman, A.

Understand

We consider the recently introduced "galileon" field in a dynamical spacetime.

  • When the galileon is assumed to be minimally coupled to the metric, we underline that both field equations of the galileon and the metric involve up to third-order derivatives.
  • We show that a unique nonminimal coupling of the galileon to curvature eliminates all higher derivatives in all field equations, hence yielding second-order equations, without any extra propagating degree of freedom.
  • The resulting theory breaks the generalized "Galilean" invariance of the original model.

Built on

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    Earlier work this paper cites.

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    Earlier work this paper cites.

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    Earlier work this paper cites.

Similar

  • M. A. Luty, M. Porrati and R. Rattazzi, JHEP 0309

    2003

    Cited alongside, same era.

  • N. Arkani-Hamed, H. Georgi and M. D. Schwartz, Annals Phys. 305

    2003

    Cited alongside, same era.

  • A. Nicolis and R. Rattazzi, JHEP 0406

    2004

    Cited alongside, same era.

  • C. Deffayet and J. W. Rombouts, Phys. Rev. D 72

    2005

    Cited alongside, same era.

  • A. Nicolis, R. Rattazzi and E. Trincherini, arXiv:0811.2197 [hep-th]

    Original

    Cited in the paper.

  • M. Ostrogradski, Mem. Ac. St. Petersbourg VI 4

    Cited in the paper.

Then

  • P. Creminelli, A. Nicolis, M. Papucci and E. Trincherini, JHEP 0509

    2005

    Later among the works it cites.

  • R. Woodard, Lect. Notes Phys. 720

    2007

    Later among the works it cites.

  • N. Arkani-Hamed, S. Dimopoulos, G. Dvali and G. Gabadadze, arXiv:hep-th/0209227; G. Dvali, S. Hofmann and J. Khoury, Phys. Rev. D 76

    2007

    Later among the works it cites.

  • J.-M. Martín-García, Comp. Phys. Commun. 179

    Original

    2008

    Later among the works it cites.

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