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相关机构：上海交通大学中国科学院国家天文台中国科学院大学清华大学更多>>
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Quantum Cosmology: Cosmology Directly Linked to the Planck Scale in General Relativity Theory and Newton Gravity: The Link between Microcosmos and Cosmos
《Open Journal of Microphysics》2025年第1期1-23,共23页Espen Gaarder Haug 
In this paper, we will demonstrate that there is a link between cosmology and the Planck scale. It has, in recent years, been shown that the Planck length can be determined independently of G, ℏ, and c, and that a ser...
关键词：Hubble Constant Hubble Radius Universe Equation Freedman Universe Extremal Universe Planck Length Compton Length 
Solving the Hubble Tension Using the PantheonPlusSH0ES Supernova Database
《Journal of Applied Mathematics and Physics》2025年第2期593-622,共30页Espen Gaarder Haug Eugene Terry Tatum 
Making use of a CMB temperature formula derivable from the Stefan-Boltzmann law, we have discovered a duality between the Particle Data Group (PDG) CMB temperature of 2.7255 K and its implied Hubble constant H0value o...
关键词：Hubble Tension Hubble Constant Cosmological Redshift z CMB Temperature 
No-go guide for the Hubble tension:Late-time or local-scale new physics
《Science China(Physics,Mechanics & Astronomy)》2025年第2期73-85,共13页Lu Huang Shao-Jiang Wang Wang-Wei Yu 
supported by the National Key Research and Development Program of China(Grant Nos.2021YFA0718304,2021YFC2203004,and 2020YFC2201501);the National Natural Science Foundation of China(Grant Nos.12422502,12105344,12235019,and 12047503);the Science Research Grants from the China Manned Space Project(Grant No.CMSCSST-2021-B01)(supported by China Manned Space Program through its Space Application System);the Postdoctoral Fellowship Program of CPSF。
The standard model of modern cosmology might be cracked by the recent persistent hot debate on the Hubble-constant(H_(0))tension,which manifests itself as the sound-horizon(r_(s))tension or absolute-magnitude(M_(B))te...
关键词：Hubble constant inverse distance ladder local Universe 
JWST Discoveries and the Hypersphere World-Universe Model: Transformative New Cosmology
《Journal of High Energy Physics, Gravitation and Cosmology》2024年第4期1806-1834,共29页Vladimir S. Netchitailo 
Twenty-six years ago, a small committee report built upon earlier studies to articulate a compelling and poetic vision for the future of astronomy. This vision called for an infrared-optimized space telescope with an ...
关键词：World-Universe Model JWST Discoveries Universe-Created Matter Gravity GRAVITOMAGNETISM Wave-Particle Duality Hubble Tension Stretching of World Dark Epoch Luminous Epoch Axis of Evil 
On a Cosmological Model with Variable Time Flow
《Journal of High Energy Physics, Gravitation and Cosmology》2024年第4期1514-1530,共17页Ralph Gramigna 
The Friedmann-Lemaître-Robertson-Walker (FLRW) metric is an exact solution of the Einstein field equations and it describes a homogeneous, isotropic and expanding universe. The FLRW metric and the Friedmann equations ...
关键词：COSMOLOGY Dark Energy Cosmic Inflation Flatness Problem Hubble Tension 
Universe Expansion and Gravitation Unified
《International Journal of Astronomy and Astrophysics》2024年第4期259-276,共18页Antonio Medina 
Aims: The expansion of the Universe and gravitation are considered different fundamental properties of the cosmos. We explore whether they are connected and propose an equation that links and unifies them. This equati...
关键词：GRAVITATION UNIVERSE Cosmological Theories Visible Universe Hubble Expansion Cosmological Models Flat Space Cosmology Dark Energy Dark Matter Hubble Parameter Critical Density 
Cosmological Implications of Diffusion: The Hubble Tension
《Journal of Applied Mathematics and Physics》2024年第12期4077-4097,共21页Sebastiano Tosto 
The paper introduces an “ab initio” model to calculate the timeline of the temperature field of the Big Bang radiation field in the universe and its connection with the Hubble law. The theoretical approach is rooted...
关键词：Quantum Theory RELATIVITY Universe Timeline Universe Age Hubble Tension 
Domain wall network:A dual solution for gravitational waves and Hubble tension?
《Science China(Physics,Mechanics & Astronomy)》2024年第11期39-46,共8页Ligong Bian Shuailiang Ge Changhong Li Jing Shu Junchao Zong 
supported by the National Key Research and Development Program of China (Grant Nos.2020YFC2201501,and 2021YFC2203004);supported by the National Natural Science Foundation of China (Grant Nos.12075041 and 12147102);supported by the National Natural Science Foundation of China (Grant No.12247147);the International Postdoctoral Exchange Fellowship Program;the Boya Postdoctoral Fellowship of Peking University;supported by the National Natural Science Foundation of China (Grant Nos.11963005,and 11603018);Yunnan Provincial Foundation (Grant Nos.2016FD006,and 2019FY003005);Reserved Talents for Young and Middle-aged Academic and Technical Leaders in Yunnan Province Program;Yunnan Provincial High level Talent Training Support Plan Youth Top Program;the National Natural Science Foundation of China (Grant No.11847301);the Fundamental Research Funds for the Central Universities (Grant No.2019CDJDWL0005);supported by Peking Uniersity (Grant No.7101302974);the National Natural Science Foundation of China (Grant Nos.12025507,and 12150015);the Key Research Program of Frontier Science of the Chinese Academy of Sciences (CAS) (Grant No.ZDBS-LY-7003)。
We explore the possibility that domain wall networks generate the stochastic gravitational wave background(SGWB) observed as a strong common power-law process in the Data Release-2 of Parkes Pulsar Timing Array. We fi...
关键词：domain wall gravitational waves Hubble tension 
The Hawking Hubble Temperature as the Minimum Temperature, the Planck Temperature as the Maximum Temperature, and the CMB Temperature as Their Geometric Mean Temperature
《Journal of Applied Mathematics and Physics》2024年第10期3328-3348,共21页Espen Gaarder Haug Eugene Terry Tatum 
Using a rigorous mathematical approach, we demonstrate how the Cosmic Microwave Background (CMB) temperature could simply be a form of geometric mean temperature between the minimum time-dependent Hawking Hubble tempe...
关键词：Hawking Temperature Planck Temperature CMB Temperature Geometric Mean Compton Wavelength Hubble Sphere Cosmological Models 
Restoring cosmological concordance with axion-like early dark energy and dark matter characterized by a constant equation of state?
《Communications in Theoretical Physics》2024年第7期74-82,共9页Yan-Hong Yao Xin-He Meng 
supported by the National Key R&D Program of China(Grant No.2020YFC2201600);the National Natural Science Foundation of China(NSFC)under Grant No.12073088;the National SKA Program of China No.2020SKA0110402.
The Hubble tension persists as a challenge in cosmology.Even early dark energy(EDE)models,initially considered the most promising for alleviating the Hubble tension,fall short of addressing the issue without exacerbat...
关键词：Hubble tension early dark energy noncold dark matter S8 tension 
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