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Part of the book series: Springer Theses ((Springer Theses))

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Abstract

Physics studies Nature, its matter content and its evolution modeled by the laws of physics.

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Notes

  1. 1.

    In fact, it must be included from an effective field theory point of view.

  2. 2.

    One can basically use the mass term, the coupling to matter or the kinetic term of the scalar field in order to achieve screening.

  3. 3.

    The non-linear extension for the spin-1 field is trivial in the sense that one does not have to deal with the Boulware-Deser ghost.

  4. 4.

    Note that we are neglecting the helicity-1 field in \({\upvarphi }^a\) since at linear order this field decouples completely. If we had included the helicity-1 field in the expansion of \({\upvarphi }^\mathrm {a}=(x^{\upalpha }+\mathrm {A}^{\upalpha }-{\uppi }^{\upalpha })\, {\updelta }^\mathrm {a}_{\upalpha }\) then the expression for the covariant tensor would have contained the contribution of that field as well \(\mathrm {H}_{{\upmu }{\upnu }}=\frac{\mathrm {h}_{{\upmu }{\upnu }}}{\mathrm {M}_\mathrm{Pl}}+\partial _{\upmu }\mathrm {A}_{\upnu }+\partial _{\upnu }\mathrm {A}_{\upmu }+\partial _{\upmu }{\uppi }_{\upnu }+ \partial _{\upnu }{\uppi }_{\upmu }+\cdots \).

  5. 5.

    In general, there is also a tadpole contribution \(\mathcal {L}_1\), that depends on the bulk content.

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Correspondence to Lavinia Heisenberg .

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Heisenberg, L. (2015). Introduction. In: Theoretical and Observational Consistency of Massive Gravity. Springer Theses. Springer, Cham. https://doi.org/10.1007/978-3-319-18935-2_1

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