Bibliografías temáticas / Beyond-ΛCDM

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Literatura académica sobre el tema "Beyond-ΛCDM"

Autor: Grafiati

Publicado: 30 de noviembre de 2024

Última modificación: 31 de julio de 2025

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Artículos de revistas sobre el tema "Beyond-ΛCDM"

Bhattacharya, Suman, Katrin Heitmann, Martin White, Zarija Lukić, Christian Wagner та Salman Habib. "MASS FUNCTION PREDICTIONS BEYOND ΛCDM". Astrophysical Journal 732, № 2 (2011): 122. http://dx.doi.org/10.1088/0004-637x/732/2/122.

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Das, Sudeep, Roland de Putter, Eric V. Linder та Reiko Nakajima. "Weak lensing cosmology beyond ΛCDM". Journal of Cosmology and Astroparticle Physics 2012, № 11 (2012): 011. http://dx.doi.org/10.1088/1475-7516/2012/11/011.

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Rizzo, Luca A., Francisco Villaescusa-Navarro, Pierluigi Monaco та ін. "Simulating cosmologies beyond ΛCDM with PINOCCHIO". Journal of Cosmology and Astroparticle Physics 2017, № 01 (2017): 008. http://dx.doi.org/10.1088/1475-7516/2017/01/008.

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Tröster, Tilman, Marika Asgari, Chris Blake та ін. "KiDS-1000 Cosmology: Constraints beyond flat ΛCDM". Astronomy & Astrophysics 649 (травень 2021): A88. http://dx.doi.org/10.1051/0004-6361/202039805.

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We present constraints on extensions to the standard cosmological model of a spatially flat Universe governed by general relativity, a cosmological constant (Λ), and cold dark matter (CDM) by varying the spatial curvature ΩK, the sum of the neutrino masses ∑mν, the dark energy equation of state parameter w, and the Hu-Sawicki f(R) gravity fR0 parameter. With the combined 3 × 2 pt measurements of cosmic shear from the Kilo-Degree Survey (KiDS-1000), galaxy clustering from the Baryon Oscillation Spectroscopic Survey (BOSS), and galaxy-galaxy lensing from the overlap between KiDS-1000, BOSS, and

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Giblin, Benjamin, Matteo Cataneo, Ben Moews, and Catherine Heymans. "On the road to per cent accuracy – II. Calibration of the non-linear matter power spectrum for arbitrary cosmologies." Monthly Notices of the Royal Astronomical Society 490, no. 4 (2019): 4826–40. http://dx.doi.org/10.1093/mnras/stz2659.

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ABSTRACT We introduce an emulator approach to predict the non-linear matter power spectrum for broad classes of beyond-ΛCDM cosmologies, using only a suite of ΛCDM N-body simulations. By including a range of suitably modified initial conditions in the simulations, and rescaling the resulting emulator predictions with analytical ‘halo model reactions’, accurate non-linear matter power spectra for general extensions to the standard ΛCDM model can be calculated. We optimize the emulator design by substituting the simulation suite with non-linear predictions from the standard halofit tool. We revi

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Sakr, Z. "A trium test on beyond ΛCDM triggering parameters". Journal of Cosmology and Astroparticle Physics 2023, № 08 (2023): 080. http://dx.doi.org/10.1088/1475-7516/2023/08/080.

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Abstract We performed a Bayesian study on three beyond ΛCDM phenomenological triggering parameters, the growth index γ, the dark energy equation of state parameter ω and the lensing deviation from the GR prediction parameter Σ, using the latest cosmological geometric, growth and lensing probes, all in a consistent implementation within the modified gravity cosmological solver code MGCLASS. We find, when we combined all our probes, i.e. the cosmic microwave background (CMB), the baryonic acoustic oscilation (BAO), the growth measurements fσ 8 and the 3×2pt joint analysis of weak lensing and gal

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Li, En-Kun, Hongchao Zhang, Minghui Du, Zhi-Huan Zhou та Lixin Xu. "Probing the Neutrino Mass Hierarchy beyond ΛCDM Model". Journal of Cosmology and Astroparticle Physics 2018, № 08 (2018): 042. http://dx.doi.org/10.1088/1475-7516/2018/08/042.

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Bull, Philip, Yashar Akrami, Julian Adamek та ін. "Beyond ΛCDM: Problems, solutions, and the road ahead". Physics of the Dark Universe 12 (червень 2016): 56–99. http://dx.doi.org/10.1016/j.dark.2016.02.001.

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Villa, Eleonora, Enea Di Dio та Francesca Lepori. "Lensing convergence in galaxy clustering in ΛCDM and beyond". Journal of Cosmology and Astroparticle Physics 2018, № 04 (2018): 033. http://dx.doi.org/10.1088/1475-7516/2018/04/033.

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L’Huillier, Benjamin, Arman Shafieloo, Eric V. Linder, and Alex G. Kim. "Model independent expansion history from supernovae: Cosmology versus systematics." Monthly Notices of the Royal Astronomical Society 485, no. 2 (2019): 2783–90. http://dx.doi.org/10.1093/mnras/stz589.

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Abstract We examine the Pantheon supernovae distance data compilation in a model independent analysis to test the validity of cosmic history reconstructions beyond the concordance ΛCDM cosmology. Strong deviations are allowed by the data at z ≳ 1 in the reconstructed Hubble parameter, Om diagnostic, and dark energy equation of state. We explore three interpretations: 1) possibility of the true cosmology being far from ΛCDM, 2) supernovae property evolution, and 3) survey selection effects. The strong (and theoretically problematic) deviations at z ≳ 1 vanish and good consistency with ΛCDM is f

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Tesis sobre el tema "Beyond-ΛCDM"

Bose, Sownak. "Beyond ΛCDM : exploring alternatives to the standard cosmological paradigm". Thesis, Durham University, 2017. http://etheses.dur.ac.uk/12207/.

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The highly successful standard model of cosmology is built upon two fundamental assumptions: that structure formation proceeds hierarchically through the gravitational collapse of cold dark matter (CDM), and that the late-time expansion of the Universe is dominated by dark energy in the form of the cosmological constant, Λ. While predictions of the ΛCDM model have survived stringent tests spanning a wide range of scales, the true nature of the dark matter and dark energy remains a mystery. Here, we investigate structure formation in well-motivated, alternative scenarios. In the first half, we

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Sakr, Ziad. "Cosmology beyond ΛCDM model in the light of cluster abundance tension". Thesis, Toulouse 3, 2018. http://www.theses.fr/2018TOU30346.

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Le modèle ΛCDM permet de décrire avec une grande précision la plupart des présentes observations cosmologiques. Cependant, l'un de ses paramètres, σ 8, mesurant l'amplitude de fluctuations de la matière, présente une discordance entre sa valeur contrainte par le spectre de puissance angulaire du CMB de la mission Planck, les Cls, et celle déterminée à partir des amas SZ dans l'univers proche. Dans le présent travail on explore divers extensions du modèle ΛCDM comme origines possibles de cette anomalie. Pour tester les effets de ces extensions, nous avons effectué une analyse Monte Carlo on l'o

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Goh, Lisa. "Dark Energy Tomography with the Euclid survey." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASP091.

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Le modèle de concordance actuel, LCDM, a largement réussi à décrire notre Univers. Cependant, des questions cruciales restent sans réponse et deviennent de plus en plus critiques avec la publication continue de données cosmologiques de haute précision. Cela a conduit à l'exploration de modèles LCDM modifiés, parmi lesquels figure le modèle de l'énergie noire couplée, dans lequel les particules de matière noire sont sujettes à une force plus importante que la force gravitationnelle, en raison d'une cinquième force générée par un champ scalaire qui joue le rôle de l'énergie noire. Dans ma thèse,

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Libros sobre el tema "Beyond-ΛCDM"

Bose, Sownak. Beyond ΛCDM. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-96761-5.

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Bose, Sownak. Beyond ΛCDM: Exploring Alternatives to the Standard Cosmological Paradigm. Springer, 2018.

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Bose, Sownak. Beyond ΛCDM: Exploring Alternatives to the Standard Cosmological Paradigm. Springer, 2019.

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Actas de conferencias sobre el tema "Beyond-ΛCDM"

Abdelwahab, M., Á de la Cruz-Dombriz та P. K. S. Dunsby. "Cosmological tensor perturbations in theories beyond ΛCDM". У MULTIVERSE AND FUNDAMENTAL COSMOLOGY: Multicosmofun '12. AIP, 2013. http://dx.doi.org/10.1063/1.4791747.

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Berti, M. "Constraining beyond ΛCDM models with 21cm intensity mapping forecast observations combined with latest CMB data". У Proceedings of the MG16 Meeting on General Relativity. WORLD SCIENTIFIC, 2023. http://dx.doi.org/10.1142/9789811269776_0219.

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S. Pawlowski, Marcel. "PHASE-SPACE CORRELATIONS OF SATELLITE GALAXY SYSTEMS AND CHALLENGES TO ΛCDM COSMOLOGY". У XX Serbian Astronomical Conference. Astronomical Observatory, Volgina 7, 11060 Belgrade 38, Serbia, 2024. https://doi.org/10.69646/aob104p059.

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Abstract. Driven by the increasingly complete observational knowledge of systems of satel- lite galaxies, mutual spatial alignments and relations in velocities among satellites belonging to a common host have become a productive field of research. The Planes of Satellite Galax- ies issue is maybe the best-known type of such phase-space correlations, with an ongoing, controversial debate on how much of a challenge it poses for the ΛCDM model of cosmol- ogy. With the fast expansion of proper motion measurements in recent years, largely driven by the Gaia mission, other peculiar phase-space corre

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