We study the isotropization process of Bianchi-I space-times in Horndeski theory with G_(3)(X,ϕ)≠0 and G_(5)=const/X.A global unidirectional electromagnetic field interacts with a scalar field according to the law f^...We study the isotropization process of Bianchi-I space-times in Horndeski theory with G_(3)(X,ϕ)≠0 and G_(5)=const/X.A global unidirectional electromagnetic field interacts with a scalar field according to the law f^(2)(φ)F_(μv)F^(μv).In Horndeski theory,the anisotropy can develop in different ways.The proposed reconstruction method allows us to build models with acceptable anisotropy behavior.To analyze space-time anisotropy,we use the relations a_(i)/a(i=1,2,3),where are metric functions,and a≡(a_(1)a_(2)a_(3))^(1/3).展开更多
文摘We study the isotropization process of Bianchi-I space-times in Horndeski theory with G_(3)(X,ϕ)≠0 and G_(5)=const/X.A global unidirectional electromagnetic field interacts with a scalar field according to the law f^(2)(φ)F_(μv)F^(μv).In Horndeski theory,the anisotropy can develop in different ways.The proposed reconstruction method allows us to build models with acceptable anisotropy behavior.To analyze space-time anisotropy,we use the relations a_(i)/a(i=1,2,3),where are metric functions,and a≡(a_(1)a_(2)a_(3))^(1/3).
