75 citations · 171 across the 9 of their papers we have counts for
4 papers · 1 filter
On the road to percent accuracy: nonlinear reaction of the matter power spectrum to dark energy and modified gravity
Matteo Cataneo, Lucas Lombriser, Catherine Heymans +4
We present a general method to compute the nonlinear matter power spectrum for dark energy and modified gravity scenarios with percent-level accuracy. By adopting the halo model an…
Inherently stable effective field theory for dark energy and modified gravity
Lucas Lombriser, Charles Dalang, Joe Kennedy +1
The growing wealth of cosmological observations places increasingly more stringent constraints on dark energy and alternative gravity models. Particularly successful in efficiently…
Late-time acceleration by a residual cosmological constant from sequestering vacuum energy in ultimate collapsed structures
Lucas Lombriser
The sequestering mechanism has been proposed as a remedy to the old cosmological constant problem of the non-gravitating vacuum energy in the matter sector. Here it is shown that a…
Reconstructing Horndeski theories from phenomenological modified gravity and dark energy models on cosmological scales
Joe Kennedy, Lucas Lombriser, Andy Taylor
Recently we have derived a set of mapping relations that enables the reconstruction of the family of Horndeski scalar-tensor theories which reproduce the background dynamics and li…