Zobrazeno 1 - 10
of 2 553
pro vyhledávání: '"Immirzi parameter"'
Publikováno v:
Phys. Rev. D 106, 103535 (2022)
We revisit the predictions for the duration of the inflationary phase after the bounce in loop quantum cosmology. We present our analysis for different classes of inflationary potentials that include the monomial power-law chaotic type of potentials,
Externí odkaz:
http://arxiv.org/abs/2206.14881
Autor:
Vyas, Rakshit P., Joshi, Mihir J.
Publikováno v:
Physics 2022, 4(4), 1094-1116
The Barbero-Immirzi parameter ($\gamma$) is introduced in loop quantum gravity (LQG) whose physical significance is still a biggest open question; because of its profound traits. In some cases, it is real-valued; while, it is complex-valued in other
Externí odkaz:
http://arxiv.org/abs/2206.00458
Autor:
Rakshit P. Vyas, Mihir J. Joshi
Publikováno v:
Physics, Vol 4, Iss 4, Pp 1094-1116 (2022)
The Barbero–Immirzi parameter, (γ), is introduced in loop quantum gravity (LQG), whose physical significance is still the biggest open question because of its profound traits. In some cases, it is real valued, while it is complex valued in other c
Externí odkaz:
https://doaj.org/article/8f6223fd5fdf4f41872f46de841c80ac
Akademický článek
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Akademický článek
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Publikováno v:
Class. Quant. Grav. 38 (2021) 045001
In Loop Quantum Gravity (LQG) the quantisation of General Relativity leads to precise predictions for the eigenvalues of geometrical observables like volume and area, up to the value of the only free parameter of the theory, the Barbero-Immirzi (BI)
Externí odkaz:
http://arxiv.org/abs/2001.03440
Autor:
S. Rufrano Aliberti, G. Lambiase
Publikováno v:
Physics Letters B, Vol 846, Iss , Pp 138184- (2023)
We review the baryon asymmetry generated in the early Universe in the framework of the metric-spinor gravity with the Holst term, which accounts for the Barbero-Immirzi parameter. For the generation of the matter-antimatter asymmetry, we have conside
Externí odkaz:
https://doaj.org/article/761550f5a66b4a8f9076027019e62084
Autor:
Montesinos, Merced, Celada, Mariano
Publikováno v:
Phys. Rev. D 101, 084043 (2020)
In this paper we revisit the canonical analysis of $BF$ gravity with the Immirzi parameter and a cosmological constant. By examining the constraint on the $B$ field, we realize that the analysis can be performed in a Lorentz-covariant fashion while u
Externí odkaz:
http://arxiv.org/abs/1912.02832
It is argued that, using the black hole area entropy law together with the Boltzmann-Gibbs statistical mechanics and the quasinormal modes of the black holes, it is possible to determine univocally the lowest possible value for the spin $j$ in the co
Externí odkaz:
http://arxiv.org/abs/1910.03123
Publikováno v:
Class. Quantum Grav. 36 115003 (2019)
The polysymplectic formulation of the CMPR action, which is a BF-type formulation of General Relativity that involves an arbitrary Immirzi parameter, is performed. We implement a particular scheme within this covariant Hamiltonian approach to analyze
Externí odkaz:
http://arxiv.org/abs/1901.11532