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Lucas Lombriser, Wayne Hu, Wenjuan Fang, 4 and UroÅ¡ Seljak 5, 6 Institute for Theoretical Physics, University of ZÃ¼rich, Winterthurerstrasse 190, CH-8057 ZÃ¼rich, Switzerland Kavli Institute forâ€¦ (More)

- Reinabelle Reyes, Rachel Mandelbaum, +4 authors Robert E. Smith
- Nature
- 2010

Although general relativity underlies modern cosmology, its applicability on cosmological length scales has yet to be stringently tested. Such a test has recently been proposed, using a quantity, EG,â€¦ (More)

- Scott F. Daniel, Eric V. Linder, +4 authors Lucas Lombriser
- 2017

Deviations from general relativity, such as could be responsible for the cosmic acceleration, would influence the growth of large scale structure and the deflection of light by that structure. Weâ€¦ (More)

Lucas Lombriser, Fabian Schmidt, Tobias Baldauf, Rachel Mandelbaum, UroÅ¡ Seljak, and Robert E. Smith Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth, PO1 3FX, UKâ€¦ (More)

- Lucas Lombriser, Jaiyul Yoo, Kazuya Koyama
- 2017

We explore the signatures of quintessence and modified gravity theories in the relativistic description of galaxy clustering within a parametrized post-Friedmann framework. For this purpose, weâ€¦ (More)

We study cosmological constraints on metric f(R) gravity models that are designed to reproduce the Î›CDM expansion history with modifications to gravity described by a supplementary cosmologicalâ€¦ (More)

Lucas Lombriser, AnÅ¾e Slosar, UroÅ¡ Seljak, 3, 4 and Wayne Hu Institute for Theoretical Physics, University of ZÃ¼rich, Winterthurerstrasse 190, CH-8057 ZÃ¼rich, Switzerland Brookhaven Nationalâ€¦ (More)

- Scott F. Daniel, Eric V. Linder, +4 authors Lucas Lombriser
- 2017

Deviations from general relativity, such as could be responsible for the cosmic acceleration, would influence the growth of large scale structure and the deflection of light by that structure. Weâ€¦ (More)

- Lucas Lombriser, Andy Taylor
- Physical review letters
- 2015

We study the model space generated by the time-dependent operator coefficients in the effective field theory of the cosmological background evolution and perturbations of modified gravity and darkâ€¦ (More)

- Lucas Lombriser, Fergus Simpson, Alexander Mead
- Physical review letters
- 2015

Viable modifications of gravity that may produce cosmic acceleration need to be screened in high-density regions such as the Solar System, where general relativity is well tested. Screeningâ€¦ (More)