Nature's simplest field, the scalar field, has been the protagonist of physical theories for a
long time. Even before the publication of the theory of general relativity G. Nordström …

In recent years, the use of conformal transformation techniques has become widespread in
the literature on gravitational theories alternative to general relativity, on cosmology, and on …

Many interesting models incorporate scalar fields with nonminimal couplings to the
spacetime Ricci curvature scalar. As is well known, if only one scalar field is nonminimally …

This topical review deals with a multidimensional gravitational model containing dilatonic
scalar fields and antisymmetric forms. The manifold is chosen in the form M= M 0× M 1×···× …

Scalar–tensor theories have drawn the attention of cosmologist for the past few years
because they can provide mechanism to explain the observable phenomena. Moreover, the …

Conformal transformations are frequently used tools in order to study relations between
various theories of gravity and Einstein's general relativity theory. In this paper we discuss …

We study the orbital evolution of eccentric binary systems in Horndeski gravity. This
particular theory provides a test bed to give insightful comparisons with data. We compute …

A bstract In this paper, we compute the two observables, impulse and waveform, in a black
hole scattering event for the Scalar-Tensor theory of gravity with a generic scalar potential …

We compute the covariant three-point function near horizon-crossing for a system of slowly-
rolling scalar fields during an inflationary epoch, allowing for an arbitrary field-space metric …

If spacetime possesses extra dimensions of size and curvature radii much larger than the
Planck or string scales, the dynamics of these extra dimensions should be governed by …