A closed universe with hybrid nonlocality

被引:0
|
作者
Dragovich, Branko [1 ,2 ]
机构
[1] Univ Belgrade, Belgrade 11080, Serbia
[2] Serbian Acad Arts & Sci, Math Inst, Belgrade 11000, Serbia
关键词
onlocal de Sitter root dS gravity; nonlocal scalar field; nonlocal cosmology; closed universe; p-adic strings; MODIFIED GRAVITY; COSMOLOGICAL SOLUTIONS; DARK ENERGY;
D O I
10.1142/S0219887824400127
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
In this paper, we explore some cosmological solutions of the Friedmann-Lemaitre-Robertson-Walker (FLRW) closed universe with nonlocal de Sitter gravity dS and nonlocal scalar field which has its origin in p-adic string theory. In this case, we have that both geometrical and matter sectors of equations of motion (EoM) are nonlocal. The cosmological constant Lambda plays a role of dark energy (DE) and is related to the mass of scalar field as m = (h)/(c) root (Lambda)/(6) = 1.5 x 10(-69)kg. We found that the cosmological constant Lambda depends on prime number p as a discrete parameter and we conjectured that Lambda is not constant during the universe evolution.
引用
收藏
页数:18
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