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Title: | Beyond ΛCDM: Problems, solutions, and the road ahead |
Author: | Bull, Philip Akrami, Yashar Adamek, Julian Baker, Tessa Bellini, Emilio Beltrán Jiménez, José Bentivegna, Eloisa Camera, Stefano Clesse, Sebastien Davis, Jonathan H. Di Dio, Enea Enander, Jonas Heavens, Alan F. Heisenberg, Lavinia Hu, Bin Llinares, Claudio Maartens, Roy Mörtsell, Edvard Nadathur, Seshadri Noller, Johannes Pasechnik, Roman Pawlowski, Marcel S. Pereira, Thiago S. Quartin, Miguel Ricciardone, Angelo Riemer Sørensen, Signe Rinaldi, Massimiliano Sakstein, Jeremy Saltas, Ippocratis D. Salzano, Vincenzo Sawicki, Ignacy Solomon, Adam R. Spolyar, Douglas Starkman, Glenn D. Steer, Daniele Tereno, Ismael Verde, Licia Villaescusa-Navarro, Francisco von Strauss, Mikael Winther, Hans A. |
Keywords: | Cosmologia Matèria fosca (Astronomia) Cosmology Dark matter (Astronomy) |
Issue Date: | Jun-2016 |
Publisher: | Elsevier |
Abstract: | Despite its continued observational successes, there is a persistent (and growing) interest in extending cosmology beyond the standard model, ΛCDM. This is motivated by a range of apparently serious theoretical issues, involving such questions as the cosmological constant problem, the particle nature of dark matter, the validity of general relativity on large scales, the existence of anomalies in the CMB and on small scales, and the predictivity and testability of the inflationary paradigm. In this paper, we summarize the current status of ΛCDM as a physical theory, and review investigations into possible alternatives along a number of different lines, with a particular focus on highlighting the most promising directions. While the fundamental problems are proving reluctant to yield, the study of alternative cosmologies has led to considerable progress, with much more to come if hopes about forthcoming high-precision observations and new theoretical ideas are fulfilled. |
Note: | Versió postprint del document publicat a: https://doi.org/10.1016/j.dark.2016.02.001 |
It is part of: | Physics of the Dark Universe, 2016, vol. 12, p. 56-99 |
URI: | http://hdl.handle.net/2445/119262 |
Related resource: | https://doi.org/10.1016/j.dark.2016.02.001 |
ISSN: | 2212-6864 |
Appears in Collections: | Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB)) |
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