Hubble tension bounds the GUP and EUP parameters

被引：26

作者：

Aghababaei, S. ^{[1
]}

Moradpour, H. ^{[2
]}

Vagenas, Elias C. ^{[3
]}

机构：

[1] Univ Sistan & Baluchestan, Fac Sci, Dept Phys, Zahedan, Iran

[2] Univ Maragheh, Res Inst Astron & Astrophys Maragheh RIAAM, Maragheh 55136553, Iran

[3] Kuwait Univ, Dept Phys, Theoret Phys Grp, POB 5969, Safat 13060, Kuwait

来源：

EUROPEAN PHYSICAL JOURNAL PLUS | 2021年 / 136卷 / 10期

关键词：

GENERALIZED UNCERTAINTY PRINCIPLE; MINIMAL LENGTH UNCERTAINTY; HIGHER-ORDER GUP; QUANTUM-GRAVITY; SPACE; INFLATION; PHYSICS;

D O I：

10.1140/epjp/s13360-021-02007-5

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In recent years, the discrepancy in the value of the Hubble parameter has been growing. Recently, there are works supporting the proposal that the uncertainty principles can solve the Hubble tension. Motivated by this proposal, we work with an isotropic and homogeneous FRW universe, obtain its Hamiltonian equations, and thus, the Hubble parameter through the first Friedmann equation. In the context of GUP and EUP models, the Hubble parameter is modified. Since the fingerprints of quantum gravity are imprinted on the CMB, we consider the GUP/EUP-modified Hubble parameter in the first Friedmann equation to be the one measured by the Planck collaboration which uses the CMB data. The unmodified Hubble parameter in the first Friedmann equation is considered to be the one measured by the HST group which uses the SNeIa data. Therefore, upper bounds for the dimensionless parameters of GUP and EUP are obtained.

引用

页数：8

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