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Galileon inflation
Clare Burrage, Claudia de Rham, David Seery +1
Galileon inflation is a radiatively stable higher derivative model of inflation. The model is determined by a finite number of relevant operators which are protected by a covariant…
Generalization of the Fierz-Pauli Action
Claudia de Rham, Gregory Gabadadze
We consider the Lagrangian of gravity covariantly amended by the mass and polynomial interaction terms with arbitrary coefficients, and reinvestigate the consistency of such a theo…
Selftuned Massive Spin-2
Claudia de Rham, Gregory Gabadadze
We calculate the cubic order terms in a covariant theory that gives a nonlinear completion of the Fierz-Pauli massive spin-2 action. The resulting terms have specially tuned coeffi…
DBI and the Galileon reunited
Claudia de Rham, Andrew J. Tolley
We derive the relativistic generalization of the Galileon, by studying the brane position modulus of a relativistic probe brane embedded in a five- dimensional bulk. In the appropr…
Cascading Gravity is Ghost Free
Claudia de Rham, Justin Khoury, Andrew J. Tolley
We perform a full perturbative stability analysis of the 6D cascading gravity model in the presence of 3-brane tension. We demonstrate that for sufficiently large tension on the (f…