相关论文: DESI 2024: Constraints on Physics-Focused Aspects …

Dynamical Dark Energy in light of the DESI DR2 Baryonic Acoustic Oscillations Measurements

Understanding whether cosmic acceleration arises from a cosmological constant or a dynamical component is a central goal of cosmology, and the Dark Energy Spectroscopic Instrument (DESI) enables stringent tests with high-precision distance…

宇宙学与河外天体物理 · 物理学 2025-09-30 Gan Gu , Xiaoma Wang , Yuting Wang , Gong-Bo Zhao , Levon Pogosian , Kazuya Koyama , John A. Peacock , Zheng Cai , Jorge L. Cervantes-Cota , Mustapha Ishak , Arman Shafieloo , Ruiyang Zhao , Steven Ahlen , Davide Bianchi , David Brooks , Todd Claybaugh , Shaun Cole , Axel de la Macorra , Arnaud de Mattia , Peter Doel , Simone Ferraro , Jaime E. Forero-Romero , Enrique Gaztañaga , Satya Gontcho A Gontcho , Gaston Gutierrez , ChangHoon Hahn , Cullan Howlett , Robert Kehoe , David Kirkby , Jean-Paul Kneib , Anthony Kremin , Ofer Lahav , Martin Landriau , Laurent Le Guillou , Alexie Leauthaud , Michael Levi , Marc Manera , Aaron Meisner , Ramon Miquel , John Moustakas , Andrea Muñoz-Gutiérrez , Seshadri Nadathur , Jeffrey A. Newman , Nathalie Palanque-Delabrouille , Will Percival , Francisco Prada , Ignasi Pérez-Ràfols , Graziano Rossi , Lado Samushia , Eusebio Sanchez , David Schlegel , Hee-Jong Seo , David Sprayberry , Gregory Tarlé , Michael Walther , Benjamin Alan Weaver , Pauline Zarrouk , Cheng Zhao , Rongpu Zhou , Hu Zou

Model-agnostic assessment of dark energy after DESI DR1 BAO

Baryon acoustic oscillation measurements by the Dark Energy Spectroscopic Instrument (Data Release 1) have revealed exciting results that show evidence for dynamical dark energy at $\sim3\sigma$ when combined with cosmic microwave…

宇宙学与河外天体物理 · 物理学 2025-01-30 Bikash R. Dinda , Roy Maartens

DESI 2024 VI: Cosmological Constraints from the Measurements of Baryon Acoustic Oscillations

We present cosmological results from the measurement of baryon acoustic oscillations (BAO) in galaxy, quasar and Lyman-$\alpha$ forest tracers from the first year of observations from the Dark Energy Spectroscopic Instrument (DESI), to be…

宇宙学与河外天体物理 · 物理学 2025-04-14 DESI Collaboration , A. G. Adame , J. Aguilar , S. Ahlen , S. Alam , D. M. Alexander , M. Alvarez , O. Alves , A. Anand , U. Andrade , E. Armengaud , S. Avila , A. Aviles , H. Awan , B. Bahr-Kalus , S. Bailey , C. Baltay , A. Bault , J. Behera , S. BenZvi , A. Bera , F. Beutler , D. Bianchi , C. Blake , R. Blum , S. Brieden , A. Brodzeller , D. Brooks , E. Buckley-Geer , E. Burtin , R. Calderon , R. Canning , A. Carnero Rosell , R. Cereskaite , J. L. Cervantes-Cota , S. Chabanier , E. Chaussidon , J. Chaves-Montero , S. Chen , X. Chen , T. Claybaugh , S. Cole , A. Cuceu , T. M. Davis , K. Dawson , A. de la Macorra , A. de Mattia , N. Deiosso , A. Dey , B. Dey , Z. Ding , P. Doel , J. Edelstein , S. Eftekharzadeh , D. J. Eisenstein , A. Elliott , P. Fagrelius , K. Fanning , S. Ferraro , J. Ereza , N. Findlay , B. Flaugher , A. Font-Ribera , D. Forero-Sánchez , J. E. Forero-Romero , C. S. Frenk , C. Garcia-Quintero , E. Gaztañaga , H. Gil-Marín , S. Gontcho A Gontcho , A. X. Gonzalez-Morales , V. Gonzalez-Perez , C. Gordon , D. Green , D. Gruen , R. Gsponer , G. Gutierrez , J. Guy , B. Hadzhiyska , C. Hahn , M. M. S Hanif , H. K. Herrera-Alcantar , K. Honscheid , C. Howlett , D. Huterer , V. Iršič , M. Ishak , S. Juneau , N. G. Karaçaylı , R. Kehoe , S. Kent , D. Kirkby , A. Kremin , A. Krolewski , Y. Lai , T. -W. Lan , M. Landriau , D. Lang , J. Lasker , J. M. Le Goff , L. Le Guillou , A. Leauthaud , M. E. Levi , T. S. Li , E. Linder , K. Lodha , C. Magneville , M. Manera , D. Margala , P. Martini , M. Maus , P. McDonald , L. Medina-Varela , A. Meisner , J. Mena-Fernández , R. Miquel , J. Moon , S. Moore , J. Moustakas , N. Mudur , E. Mueller , A. Muñoz-Gutiérrez , A. D. Myers , S. Nadathur , L. Napolitano , R. Neveux , J. A. Newman , N. M. Nguyen , J. Nie , G. Niz , H. E. Noriega , N. Padmanabhan , E. Paillas , N. Palanque-Delabrouille , J. Pan , S. Penmetsa , W. J. Percival , M. M. Pieri , M. Pinon , C. Poppett , A. Porredon , F. Prada , A. Pérez-Fernández , I. Pérez-Ràfols , D. Rabinowitz , A. Raichoor , C. Ramírez-Pérez , S. Ramirez-Solano , C. Ravoux , M. Rashkovetskyi , M. Rezaie , J. Rich , A. Rocher , C. Rockosi , N. A. Roe , A. Rosado-Marin , A. J. Ross , G. Rossi , R. Ruggeri , V. Ruhlmann-Kleider , L. Samushia , E. Sanchez , C. Saulder , E. F. Schlafly , D. Schlegel , M. Schubnell , H. Seo , A. Shafieloo , R. Sharples , J. Silber , A. Slosar , A. Smith , D. Sprayberry , T. Tan , G. Tarlé , P. Taylor , S. Trusov , L. A. Ureña-López , R. Vaisakh , D. Valcin , F. Valdes , M. Vargas-Magaña , L. Verde , M. Walther , B. Wang , M. S. Wang , B. A. Weaver , N. Weaverdyck , R. H. Wechsler , D. H. Weinberg , M. White , J. Yu , Y. Yu , S. Yuan , C. Yèche , E. A. Zaborowski , P. Zarrouk , H. Zhang , C. Zhao , R. Zhao , R. Zhou , T. Zhuang , H. Zou

DESI DR2 Results II: Measurements of Baryon Acoustic Oscillations and Cosmological Constraints

We present baryon acoustic oscillation (BAO) measurements from more than 14 million galaxies and quasars drawn from the Dark Energy Spectroscopic Instrument (DESI) Data Release 2 (DR2), based on three years of operation. For cosmology…

宇宙学与河外天体物理 · 物理学 2025-10-10 DESI Collaboration , M. Abdul-Karim , J. Aguilar , S. Ahlen , S. Alam , L. Allen , C. Allende Prieto , O. Alves , A. Anand , U. Andrade , E. Armengaud , A. Aviles , S. Bailey , C. Baltay , P. Bansal , A. Bault , J. Behera , S. BenZvi , D. Bianchi , C. Blake , S. Brieden , A. Brodzeller , D. Brooks , E. Buckley-Geer , E. Burtin , R. Calderon , R. Canning , A. Carnero Rosell , P. Carrilho , L. Casas , F. J. Castander , R. Cereskaite , M. Charles , E. Chaussidon , J. Chaves-Montero , D. Chebat , X. Chen , T. Claybaugh , S. Cole , A. P. Cooper , A. Cuceu , K. S. Dawson , A. de la Macorra , A. de Mattia , N. Deiosso , J. Della Costa , R. Demina , A. Dey , B. Dey , Z. Ding , P. Doel , J. Edelstein , D. J. Eisenstein , W. Elbers , P. Fagrelius , K. Fanning , E. Fernández-García , S. Ferraro , A. Font-Ribera , J. E. Forero-Romero , C. S. Frenk , C. Garcia-Quintero , L. H. Garrison , E. Gaztañaga , H. Gil-Marín , S. Gontcho A Gontcho , D. Gonzalez , A. X. Gonzalez-Morales , C. Gordon , D. Green , G. Gutierrez , J. Guy , B. Hadzhiyska , C. Hahn , S. He , M. Herbold , H. K. Herrera-Alcantar , M. Ho , K. Honscheid , C. Howlett , D. Huterer , M. Ishak , S. Juneau , N. V. Kamble , N. G. Karaçaylı , R. Kehoe , S. Kent , A. G. Kim , D. Kirkby , T. Kisner , S. E. Koposov , A. Kremin , A. Krolewski , O. Lahav , C. Lamman , M. Landriau , D. Lang , J. Lasker , J. M. Le Goff , L. Le Guillou , A. Leauthaud , M. E. Levi , Q. Li , T. S. Li , K. Lodha , M. Lokken , F. Lozano-Rodríguez , C. Magneville , M. Manera , P. Martini , W. L. Matthewson , A. Meisner , J. Mena-Fernández , A. Menegas , T. Mergulhão , R. Miquel , J. Moustakas , A. Muñoz-Gutiérrez , D. Muñoz-Santos , A. D. Myers , S. Nadathur , K. Naidoo , L. Napolitano , J. A. Newman , G. Niz , H. E. Noriega , E. Paillas , N. Palanque-Delabrouille , J. Pan , J. Peacock , Marcos Pellejero Ibanez , W. J. Percival , A. Pérez-Fernández , I. Pérez-Ràfols , M. M. Pieri , C. Poppett , F. Prada , D. Rabinowitz , A. Raichoor , C. Ramírez-Pérez , M. Rashkovetskyi , C. Ravoux , J. Rich , A. Rocher , C. Rockosi , J. Rohlf , J. O. Román-Herrera , A. J. Ross , G. Rossi , R. Ruggeri , V. Ruhlmann-Kleider , L. Samushia , E. Sanchez , N. Sanders , D. Schlegel , M. Schubnell , H. Seo , A. Shafieloo , R. Sharples , J. Silber , F. Sinigaglia , D. Sprayberry , T. Tan , G. Tarlé , P. Taylor , W. Turner , L. A. Ureña-López , R. Vaisakh , F. Valdes , G. Valogiannis , M. Vargas-Magaña , L. Verde , M. Walther , B. A. Weaver , D. H. Weinberg , M. White , M. Wolfson , C. Yèche , J. Yu , E. A. Zaborowski , P. Zarrouk , Z. Zhai , H. Zhang , C. Zhao , G. B. Zhao , R. Zhou , H. Zou

Key drivers of the preference for dynamic dark energy

Joint analysis of the baryon acoustic oscillations (BAO) measurement by the Dark Energy Spectroscopic Instrument (DESI) first data release, Type Ia supernovae (SNe) of the Dark Energy Survey Year 5 (DES5YR) release and cosmic microwave…

宇宙学与河外天体物理 · 物理学 2025-02-21 Zhiqi Huang , Jianqi Liu , Jianfeng Mo , Yan Su , Junchao Wang , Yanhong Yao , Guangyao Yu , Zhengxin Zhu , Zhuoyang Li , Zhenjie Liu , Haitao Miao , Hui Tong

Bound dark energy: Particle origin of dark energy with DESI BAO and DES supernova data

The recent findings from the Dark Energy Spectroscopic Instrument (DESI) indicate a preference for dynamical dark energy at a significance level above $2.5 \sigma$, with baryon acoustic oscillation (BAO) combined with cosmic microwave…

宇宙学与河外天体物理 · 物理学 2025-07-29 Jose Agustin Lozano Torres , Axel de la Macorra

Probing Dark Energy Evolution Post-DESI 2024

We study the evidence for dark energy (DE) evolution at low redshift, using baryonic acoustic oscillations (BAOs) from the DESI Early Data Release, Pantheon+ Type Ia supernovae (SNe-Ia), and redshift space distortions (RSDs) to constrain…

宇宙学与河外天体物理 · 物理学 2024-09-30 Lili Orchard , Víctor H. Cárdenas

DESI constraints on the varying electron mass model and axion-like early dark energy

Baryon acoustic oscillation (BAO) is one of the important standard rulers in cosmology. The results of the latest BAO measurements by Dark Energy Spectroscopic Instrument (DESI) survey have been reported. Cosmology with the varying electron…

宇宙学与河外天体物理 · 物理学 2024-10-23 Osamu Seto , Yo Toda

A preference for dynamical phantom dark energy using one-parameter model with Planck, DESI DR1 BAO and SN data

Baryon Acoustic Oscillation (BAO) provides a powerful tool to measure cosmic expansion and consequently the nature of the Dark Energy (DE). Recent precise BAO measurements by Dark Energy Spectroscopic Instrument data release 1 (DESI DR1),…

宇宙学与河外天体物理 · 物理学 2025-08-21 Ramy Fikri , Esraa Elkhateeb , E. I. Lashin , Waleed El Hanafy

Cosmological constraints on dark energy models using DESI BAO 2024

Recently, the measurements of baryon acoustic oscillations (BAO) by the Dark Energy Spectroscopic Instrument (DESI) indicate a potential deviation from the standard $\Lambda$CDM model. Some studies suggest that the data points from the…

宇宙学与河外天体物理 · 物理学 2025-08-21 Jie Zheng , Da-Chun Qiang , Zhi-Qiang You

Robust evidence for dynamical dark energy in light of DESI DR2 and joint ACT, SPT, and Planck data

Recent baryon acoustic oscillation (BAO) measurements released by DESI, when combined with cosmic microwave background (CMB) data and type Ia supernova (SN) data, suggest a significant preference for dynamical dark energy (DDE) that…

宇宙学与河外天体物理 · 物理学 2026-03-03 Tian-Nuo Li , Guo-Hong Du , Sheng-Han Zhou , Yun-He Li , Jing-Fei Zhang , Xin Zhang

Bound Dark Energy: Particle Physics model in alignment with recent DESI cosmological measurements

We present observational constraints on the Bound Dark Energy Cold Dark Matter (BDE-CDM) model using DESI DR2 baryon acoustic oscillation measurements combined with Planck CMB data and Type Ia supernovae compilations (PantheonPlus, Union3,…

宇宙学与河外天体物理 · 物理学 2026-01-15 Axel de la Macorra , Jose Agustin Lozano Torres

DESI 2024: Reconstructing Dark Energy using Crossing Statistics with DESI DR1 BAO data

We implement Crossing Statistics to reconstruct in a model-agnostic manner the expansion history of the universe and properties of dark energy, using DESI Data Release 1 (DR1) BAO data in combination with one of three different supernova…

宇宙学与河外天体物理 · 物理学 2024-10-28 R. Calderon , K. Lodha , A. Shafieloo , E. Linder , W. Sohn , A. de Mattia , J. L. Cervantes-Cota , R. Crittenden , T. M. Davis , M. Ishak , A. G. Kim , W. Matthewson , G. Niz , S. Park , J. Aguilar , S. Ahlen , S. Allen , D. Brooks , T. Claybaugh , A. de la Macorra , A. Dey , B. Dey , P. Doel , J. E. Forero-Romero , E. Gaztañaga , S. Gontcho A Gontcho , K. Honscheid , C. Howlett , S. Juneau , A. Kremin , M. Landriau , L. Le Guillou , M. E. Levi , M. Manera , R. Miquel , J. Moustakas , J. A. Newman , N. Palanque-Delabrouille , W. J. Percival , C. Poppett , F. Prada , M. Rezaie , G. Rossi , V. Ruhlmann-Kleider , E. Sanchez , D. Schlegel , M. Schubnell , H. Seo , D. Sprayberry , G. Tarlé , P. Taylor , M. Vargas-Magaña , B. A. Weaver , P. Zarrouk , H. Zou

Evidence for evolving dark energy from DESI DR2 BAO and Pantheon$^+$, DES-Dovekie, and Union3

Evidences for evolving dark energy are shown using baryon acoustic oscillation measurements from the recent Dark Energy Spectroscopic Instrument Data Release 2 , combined with different Type Ia supernova datasets (Pantheon$^+$, DES-Dovekie,…

宇宙学与河外天体物理 · 物理学 2026-05-25 Himanshu Chaudhary , Salvatore Capozziello , Vipin Kumar Sharma , Isidro Gómez-Vargas , G. Mustafa

The Self-Consistency of DESI Analysis and Comment on "Does DESI 2024 Confirm $\Lambda$CDM?"

We demonstrate that the constraints on the evolution of dark energy implemented by the DESI collaboration may be insufficient or incomplete using their own BAO data. Using large enough prior ranges for the present-day equation of state of…

宇宙学与河外天体物理 · 物理学 2024-04-23 Deng Wang

Reanalyzing DESI DR1: 2. Constraints on Dark Energy, Spatial Curvature, and Neutrino Masses

We carry out an independent re-analysis of the Dark Energy Spectroscopic Instrument (DESI) public dataset, focusing on extensions to the standard cosmological model, $\Lambda$CDM. Utilizing the dataset and Effective Field Theory (EFT)-based…

宇宙学与河外天体物理 · 物理学 2026-04-15 Anton Chudaykin , Mikhail M. Ivanov , Oliver H. E. Philcox

Constraining Cosmological Physics with DESI BAO Observations

The DESI year one observations can help probe new physics on cosmological scales. In light of the latest DESI BAO measurements, we constrain five popular cosmological scenarios including inflation, modified gravity, annihilating dark matter…

宇宙学与河外天体物理 · 物理学 2024-04-18 Deng Wang

Bound Dark Energy: a particle's origin of dark energy

Dark energy, the enigmatic force driving the accelerated cosmic expansion of the universe, is conventionally described as a cosmological constant in the standard $\Lambda$CDM model. However, measurements from the Dark Energy Spectroscopic…

宇宙学与河外天体物理 · 物理学 2025-03-26 Axel de la Macorra , Jose Agustin Lozano Torres

Did DESI DR2 truly reveal dynamical dark energy?

A fundamental question in cosmology is whether dark energy evolves over time, a topic that has gained prominence since the discovery of cosmic acceleration. Recently, the DESI collaboration has reported increasing evidence for evolving dark…

宇宙学与河外天体物理 · 物理学 2025-11-21 Deng Wang , David Mota

Evidence of dynamical dark energy found via the DESI DR2 Lyman$\alpha$ forest

We present a comprehensive analysis of the cosmological implications of the Dark Energy Spectroscopic Instrument (DESI) Data Release 2 (DR2) Lyman-$\alpha$ forest baryon acoustic oscillation (BAO) measurements, combined with DESI DR2 galaxy…

宇宙学与河外天体物理 · 物理学 2026-05-27 Salvatore Capozziello , Himanshu Chaudhary , G. Mustafa , S. K. J. Pacif