Constraining quantum fluctuations of spacetime foam from BBN

被引：0
|
作者：
Das, S. [1 ,2 ]
Lambiase, G. [3 ,4 ]
Vagenas, E. C. [5 ]
机构：
[1] Univ Lethbridge, Dept Phys & Astron, Theoret Phys Grp, 4401 Univ Dr, Lethbridge, AB T1K 3M4, Canada
[2] Univ Lethbridge, Dept Phys & Astron, Quantum Alberta, 4401 Univ Dr, Lethbridge, AB T1K 3M4, Canada
[3] Univ Salerno, Dipartimento Fis ER Caianiello, I-84084 Fisciano, SA, Italy
[4] INFN Grp Collegato Salerno, Fisciano, Italy
[5] Kuwait Univ, Dept Phys, Theoret Phys Grp, POB 5969, Safat 13060, Kuwait
来源：
EUROPEAN PHYSICAL JOURNAL PLUS | 2023年 / 138卷 / 06期
基金：
加拿大自然科学与工程研究理事会;
关键词：
BIG-BANG NUCLEOSYNTHESIS; COSMOLOGY; GRAVITY; SEARCH; VELOCITY; F(R;
D O I：
10.1140/epjp/s13360-023-04168-x
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A possibility to describe quantum gravitational fluctuations of the spacetime background is provided by virtual D-branes. These effects may induce a tiny violation of the Lorentz invariance (as well as a possible violation of the equivalence principle). In this framework, we study the formation of light elements in the early Universe (Big Bang Nucleosynthesis). By using the Big Bang Nucleosynthesis observations, We infer an upper bound on the topological fluctuations in the spacetime foam vacuum s(2), given by s(2 )? 10(-22).
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页数：5
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