In a previous paper, we suggested a possible theory to unify Dirac cosmology and general relativity without introducing two time-scale hypothesis. The zeroth and the first order approximations in our theory yield the ...In a previous paper, we suggested a possible theory to unify Dirac cosmology and general relativity without introducing two time-scale hypothesis. The zeroth and the first order approximations in our theory yield the Einstein field equations, and展开更多
Since the large-number hypothesis was proposed by Dirac in 1937, a number of comsology models with a varying constant of gravitation have been suggested, but most of them met with difficulties in varying degrees. Espe...Since the large-number hypothesis was proposed by Dirac in 1937, a number of comsology models with a varying constant of gravitation have been suggested, but most of them met with difficulties in varying degrees. Especially, except the Canuto et al. scalar covariant theory, they can not explain the contradictions between Einstein’s general relativity and Dirac cosmology. But unfortunately,展开更多
A quantum inflationary universe model is proposed,in which the expansion factor S(t)is treated as a q-numberf and the cosmological constant A is identified with the energy density of Higgs field.Moreover,the initial q...A quantum inflationary universe model is proposed,in which the expansion factor S(t)is treated as a q-numberf and the cosmological constant A is identified with the energy density of Higgs field.Moreover,the initial quantum state is assumed to be a Gauss wave pocket.In such framework,(S^(3/2))follows the classical de-Sitter expansive law.The relative quantum uncertainty of Hubble size l_(H)(t)=(S/S)^(-1) was computed:ΔlH(t)/(lH(t))∽Z^(-6) where Z is the inflationary factor of universe.This result is basically different from that of Padmanabhan;the discrepency was explained.We conclude that the quantum Hubble size is practically a classical quantity.展开更多
文摘In a previous paper, we suggested a possible theory to unify Dirac cosmology and general relativity without introducing two time-scale hypothesis. The zeroth and the first order approximations in our theory yield the Einstein field equations, and
文摘Since the large-number hypothesis was proposed by Dirac in 1937, a number of comsology models with a varying constant of gravitation have been suggested, but most of them met with difficulties in varying degrees. Especially, except the Canuto et al. scalar covariant theory, they can not explain the contradictions between Einstein’s general relativity and Dirac cosmology. But unfortunately,
文摘A quantum inflationary universe model is proposed,in which the expansion factor S(t)is treated as a q-numberf and the cosmological constant A is identified with the energy density of Higgs field.Moreover,the initial quantum state is assumed to be a Gauss wave pocket.In such framework,(S^(3/2))follows the classical de-Sitter expansive law.The relative quantum uncertainty of Hubble size l_(H)(t)=(S/S)^(-1) was computed:ΔlH(t)/(lH(t))∽Z^(-6) where Z is the inflationary factor of universe.This result is basically different from that of Padmanabhan;the discrepency was explained.We conclude that the quantum Hubble size is practically a classical quantity.
