Relation between varying fine structure constant and cosmological components

被引：2

作者：

Li, Gexing ^{[1
]}

Li, Zhihong ^{[1
,2
]}

机构：

[1] China Inst Atom Energy, Beijing 102413, Peoples R China

[2] Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 101408, Peoples R China

来源：

PHYSICAL REVIEW D | 2021年 / 103卷 / 06期

基金：

中国国家自然科学基金;

关键词：

HUBBLE-SPACE-TELESCOPE; TIME-VARIATION; F(T) THEORIES; CONSTRAINTS; ALPHA;

D O I：

10.1103/PhysRevD.103.063504

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We propose a simple model based on the assumption that the varying fine structure constant alpha is an effect of the cosmological expansion to investigate the relation between the varying alpha and the cosmological components. For a spatially flat, homogeneous, and isotropic universe, the current proportion of cosmological components and age of the universe predicted by the model are consistent with the cosmological observations. Furthermore, the predicted current variation rate of alpha is also close to the atomic clock measurements. For the early universe, we predict a very strict constraint, which is compatible with the upper limit given by the investigations of cosmic microwave background and big bang nucleosynthesis.

引用

页数：7

共 45 条

[1] Planck 2018 results: V. CMB power spectra and likelihoods [J].

Aghanim, N. ;

Akrami, Y. ;

Ashdown, M. ;

Aumont, J. ;

Baccigalupi, C. ;

Ballardini, M. ;

Banday, A. J. ;

Barreiro, R. B. ;

Bartolo, N. ;

Basak, S. ;

Benabed, K. ;

Bernard, J. -P. ;

Bersanelli, M. ;

Bielewicz, P. ;

Bock, J. J. ;

Bond, J. R. ;

Borrill, J. ;

Bouchet, F. R. ;

Boulanger, F. ;

Bucher, M. ;

Burigana, C. ;

Butler, R. C. ;

Calabrese, E. ;

Cardoso, J. -F. ;

Carron, J. ;

Casaponsa, B. ;

Challinor, A. ;

Chiang, H. C. ;

Colombo, L. P. L. ;

Combet, C. ;

Crill, B. P. ;

Cuttaia, F. ;

de Bernardis, P. ;

de Rosa, A. ;

de Zotti, G. ;

Delabrouille, J. ;

Delouis, J. -M. ;

Di Valentino, E. ;

Diego, J. M. ;

Dore, O. ;

Douspis, M. ;

Ducout, A. ;

Dupac, X. ;

Dusini, S. ;

Efstathiou, G. ;

Elsner, F. ;

Ensslin, T. A. ;

Eriksen, H. K. ;

Fantaye, Y. ;

Fernandez-Cobos, R. .

ASTRONOMY & ASTROPHYSICS, 2020, 641

[2] Time varying speed of light as a solution to cosmological puzzles [J].

Albrecht, A ;

Magueijo, J .

PHYSICAL REVIEW D, 1999, 59 (04)

[3]

[Anonymous], 1937, Nature

[4] Does the fine-structure constant vary with cosmological epoch? [J].

Bahcall, JN ;

Steinhardt, CL ;

Schlegel, D .

ASTROPHYSICAL JOURNAL, 2004, 600 (02) :520-543

[5] Probing the Gravitational Dependence of the Fine-Structure Constant from Observations of White Dwarf Stars [J].

Bainbridge, Matthew B. ;

Barstow, Martin A. ;

Reindl, Nicole ;

Tchang-Brillet, W. -U Lydia ;

Ayres, Thomas R. ;

Webb, John K. ;

Barrow, John D. ;

Hu, Jiting ;

Holberg, Jay B. ;

Preval, Simon P. ;

Ubachs, Wim ;

Dzuba, Vladimir A. ;

Flambaum, Victor V. ;

Dumont, Vincent ;

Berengut, Julian C. .

UNIVERSE, 2017, 3 (02)

[6] Cosmologies with varying light speed [J].

Barrow, JD .

PHYSICAL REVIEW D, 1999, 59 (04)

[7] FINE-STRUCTURE CONSTANT - IS IT REALLY A CONSTANT [J].

BEKENSTEIN, JD .

PHYSICAL REVIEW D, 1982, 25 (06) :1527-1539

[8] Limits on the Dependence of the Fine-Structure Constant on Gravitational Potential from White-Dwarf Spectra [J].

Berengut, J. C. ;

Flambaum, V. V. ;

Ong, A. ;

Webb, J. K. ;

Barrow, John D. ;

Barstow, M. A. ;

Preval, S. P. ;

Holberg, J. B. .

PHYSICAL REVIEW LETTERS, 2013, 111 (01)

[9]

Brzeminski D., ARXIV201202787

[10] Galaxy clusters and a possible variation of the fine structure constant [J].

Colaco, L. R. ;

Holanda, R. F. L. ;

Silva, R. ;

Alcaniz, J. S. .

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2019, (03)

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