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Listening to the BOSS: the galaxy power spectrum take on spatial curvature and cosmic concordance
Sunny Vagnozzi,Eleonora Di Valentino,Stefano Gariazzo,Alessandro Melchiorri,Olga Mena,Joseph Silk +5 more
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In this article, the authors used the Baryon Oscillation Spectroscopic Survey DR12 CMASS sample to study the concordance of the LAMCDM cosmological model in light of current observations.Abstract:
The concordance of the $\Lambda$CDM cosmological model in light of current observations has been the subject of an intense debate in recent months. The 2018 Planck Cosmic Microwave Background (CMB) temperature anisotropy power spectrum measurements appear at face value to favour a spatially closed Universe with curvature parameter $\Omega_K<0$. This preference disappears if Baryon Acoustic Oscillation (BAO) measurements are combined with Planck data to break the geometrical degeneracy, although the reliability of this combination has been questioned due to the strong tension present between the two datasets when assuming a curved Universe. Here, we approach this issue from yet another point of view, using measurements of the full-shape (FS) galaxy power spectrum, $P(k)$, from the Baryon Oscillation Spectroscopic Survey DR12 CMASS sample. By combining Planck data with FS measurements, we break the geometrical degeneracy and find $\Omega_K=0.0023 \pm 0.0028$. This constrains the Universe to be spatially flat to sub-percent precision, in excellent agreement with results obtained using BAO measurements. However, as with BAO, the overall increase in the best-fit $\chi^2$ suggests a similar level of tension between Planck and $P(k)$ under the assumption of a curved Universe. While the debate on spatial curvature and the concordance between cosmological datasets remains open, our results provide new perspectives on the issue, highlighting the crucial role of FS measurements in the era of precision cosmology.read more
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Cosmology Intertwined: A Review of the Particle Physics, Astrophysics, and Cosmology Associated with the Cosmological Tensions and Anomalies
Elcio Abdalla,G. F. Abell'an,Amin Aboubrahim,Adriano Agnello,Ozgur Akarsu,Yashar Akrami,George Alestas,Daniel Aloni,Luca Amendola,Luis A. Anchordoqui,Richard I. Anderson,Nikki Arendse,Marika Asgari,Mario Ballardini,Vernon Barger,Spyros Basilakos,R. C. Batista,Elia S. Battistelli,Richard A. Battye,Micol Benetti,David Benisty,Asher Berlin,P. de Bernardis,Emanuele Berti,Bohdan Bidenko,Simon Birrer,John P. Blakeslee,Kimberly K. Boddy,Clecio R. Bom,Alexander Bonilla,Nicolas Borghi,F. R. Bouchet,Matteo Braglia,Thomas Buchert,E. Buckley-Geer,Erminia Calabrese,Robert R. Caldwell,David Camarena,Salvatore Capozziello,Stefano Casertano,Geoff C. F. Chen,Jens Chluba,Angela Chen,Hsin-Yu Chen,Anton Chudaykin,Michele Cicoli,Craig J. Copi,Frederic Courbin,Francis-Yan Cyr-Racine,Bozena Czerny,Maria Giovanna Dainotti,Guido D'Amico,Anne-Christine Davis,Javier P'erez,Jaume Haro,Jacques Delabrouille,Peter B. Denton,Suhail Dhawan,Keith R. Dienes,E. Di Valentino,Pu Du,Dominique Eckert,Celia Escamilla-Rivera,A. Fert'e,Fabio Finelli,Pablo Fosalba,Wendy L. Freedman,Noemi Frusciante,Enrique Gaztanaga,William Giarè,Elena Giusarma,Adria G'omez-Valent,Will Handley,Ian Harrison,Luke Hart,Dhiraj Kumar Hazra,Alan Heavens,Asta Heinesen,Hendrik Hildebrandt,Jessica C Hill,Natalie B. Hogg,Daniel E. Holz,Deanna C. Hooper,Nikoo Hosseininejad,Dragan Huterer,Mustapha Ishak,Mikhail M. Ivanov,Andrew H. Jaffe,In Sung Jang,Karsten Jedamzik,Raul Jimenez,Melissa Joseph,Shahab Joudaki,Marc Kamionkowski,Tanvi Karwal,Lavrentios Kazantzidis,Ryan E. Keeley,Michael Klasen,Eiichiro Komatsu,Léon V. E. Koopmans,Suresh Kumar,Luca Lamagna,Ruth Lazkoz,Chung-Chi Lee,Julien Lesgourgues,Jackson Levi Said,Tiffany R. Lewis,Benjamin L'Huiller,Matteo Lucca,Roy Maartens,Lucas M. Macri,Danny Marfatia,Valerio Marra,Carlos Martins,Silvia Masi,Sabino Matarrese,Arindam Mazumdar,Alessandro Melchiorri,Olga Mena,Laura Mersini-Houghton,James B. Mertens,Dinko Milaković,Yuto Minami,V. Miranda,Cristian Moreno-Pulido,Michele Ennio Maria Moresco,David F. Mota,Emil Mottola,Simone Mozzon,J. Muir,Ankan Mukherjee,Suvodip Mukherjee,Pavel Naselsky,Pran Nath,Savvas Nesseris,Florian Niedermann,Alessio Notari,Rafael C. Nunes,Eoin 'O Colg'ain,Kayla A. Owens,Emre Ozulker,Francesco Paresce,Andronikos Paliathanasis,Antonella Palmese,Supriya Pan,Daniela Paoletti,S. E. Perez Bergliaffa,Leadros Perivolaropoulos,Dominic W. Pesce,Valeria Pettorino,Oliver H. E. Philcox,Levon Pogosian,Vivian Poulin,Gaspard Poulot,Marco Roveri,Mark J. Reid,F. Renzi,Adam G. Riess,V. I. Sabla,Paolo Salucci,Vincenzo Salzano,Emmanuel N. Saridakis,Bangalore Suryanarayana Sathyaprakash,Martin Schmaltz,N. Schoneberg,Daniel Scolnic,Anjan A. Sen,Neelima Sehgal,Arman Shafieloo,Mohammmad Mahdi Sheikh-Jabbari,Joseph Silk,Alessandra Silvestri,Foteini Skara,Martin S. Sloth,Marcelle Soares-Santos,Joan Solà Peracaula,Yu-Yang Songsheng,Jorge F. Soriano,Denitsa Staicova,Glenn D. Starkman,István Szapudi,E. Teixera,Brooks Thomas,Tommaso Treu,E. Trott,Carsten van de Bruck,Jose Alberto Vazquez,Licia Verde,Luca Visinelli,Deng Wang,Jian-Min Wang,Shao-Jiang Wang,Richard Watkins,Scott Watson,John K. Webb,Neal Weiner,Amanda Weltman,Samuel J. Witte,Radosław Wojtak,Anil Kumar Yadav,Weiqiang Yang,Gong-Bo Zhao,Miguel Zumalac'arregui +202 more
TL;DR: In this paper , the authors focus on the 5.0σ tension between the Planck CMB estimate of the Hubble constant H0 and the SH0ES collaboration measurements and discuss the importance of trying to fit a full array of data with a single model.
Cosmology for Grand Unified Theories with Radiatively Induced Symmetry Breaking
TL;DR: In this article, the treatment of first-order phase transitions for standard grand unified theories is shown to break down for models with radiatively induced spontaneous symmetry breaking, leading to an explanation of the cosmological homogeneity, flatness, and monopole puzzles.
Journal ArticleDOI
Planck evidence for a closed Universe and a possible crisis for cosmology
TL;DR: In this paper, the authors further investigate the evidence for a closed universe from Planck, showing that positive curvature naturally explains the anomalous lensing amplitude and removing a well-known tension within the Planck data set concerning the values of cosmological parameters derived at different angular scales.
Journal ArticleDOI
Eppur \`e piatto? The cosmic chronometer take on spatial curvature and cosmic concordance
TL;DR: In this article, the authors show that the universe is spatially flat to the 10 − 2 -2 -approximation of the cosmological curvature parameter of the Planck temperature and polarization data.
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