中文
相关论文

相关论文: Interacting scalar and spinor fields in Bianchi ty…

200 篇论文

Self-consistent system of spinor, scalar and BI gravitational fields is considered. Exact solutions to the field equations in terms of volume scale of the BI metric are obtained. Einstein field equations in account of the cosmological…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Bijan Saha , Todor Boyadjiev

We consider a system of interacting spinor and scalar fields in a gravitational field given by a Bianchi type-I cosmological model filled with perfect fluid. The interacting term in the Lagrangian is chosen in the form of derivative…

广义相对论与量子宇宙学 · 物理学 2015-05-01 Bijan Saha , Todor Boyadjiev

Self-consistent solutions to interacting spinor and scalar field equations in General Relativity are studied for the case of Bianchi type-I space-time filled with perfect fluid. The initial and the asymptotic behavior of the field functions…

广义相对论与量子宇宙学 · 物理学 2015-06-25 B. Saha , G. N. Shikin

We consider a self-consistent system of spinor and scalar fields within the framework of a Bianchi type I gravitational field filled with viscous fluid in presence of a $\Lambda$ term. Exact self-consistent solutions to the corresponding…

广义相对论与量子宇宙学 · 物理学 2019-04-22 Bijan Saha

A self-consistent system of interacting spinor and scalar fields is considered within the scope of Bianchi type VI cosmological model filled with a perfect fluid. The contribution of the cosmological constant ($\Lambda$-term) is taken into…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Bijan Saha

A self-consistent system of nonlinear spinor and Bianchi type-V anisotropic gravitational fields are investigated. It is found that the presence of nontrivial non-diagonal components of the energy-momentum tensor of the spinor field imposes…

广义相对论与量子宇宙学 · 物理学 2016-02-19 Bijan Saha

The study of a self-consistent system of interacting spinor and scalar fields within the scope of a Bianchi type I (BI) gravitational field in presence of a viscous fluid and $\Lambda$ term has been carried out. The system of equations…

广义相对论与量子宇宙学 · 物理学 2015-05-01 Bijan Saha , Victor Rikhvitsky

We consider a system of nonlinear spinor and a Bianchi type I gravitational fields in presence of viscous fluid. The nonlinear term in the spinor field Lagrangian is chosen to be $\lambda F$, with $\lambda$ being a self-coupling constant…

广义相对论与量子宇宙学 · 物理学 2015-05-01 Bijan Saha

Self-consistent system of nonlinear spinor field and Bianchi I (BI) gravitational one with time dependent gravitational constant ($G$) and cosmological constant ($\Lambda$) has been studied. The initial and the asymptotic behaviors of the…

广义相对论与量子宇宙学 · 物理学 2015-05-01 Bijan Saha

Self-consistent solutions to the spinor, scalar and BI gravitational field equations are obtained. The problems of initial singularity and asymptotically isotropization process of the initially anisotropic space-time are studied. It is also…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Bijan Saha

Self-consistent solutions to nonlinear spinor field equations in General Relativity have been studied for the case of Bianchi type-I space-time filled with perfect fluid. The initial and the asymptotic behavior of the field functions and…

广义相对论与量子宇宙学 · 物理学 2009-10-28 B. Saha , G. N. Shikin

Self-consistent solutions to the system of spinor and scalar field equations in General Relativity are studied for the case of Bianchi type-I space-time. It should be emphasized the absence of initial singularity for some types of solutions…

广义相对论与量子宇宙学 · 物理学 2007-05-23 R. Alvarado , Yu. P. Rybakov , B. Saha , G. N. Shikin

A self-consistent system of interacting nonlinear spinor and scalar fields within the scope of a Bianchi type-I cosmological model filled with perfect fluid is considered. Exact self-consistent solutions to the corresponding field equations…

广义相对论与量子宇宙学 · 物理学 2015-05-01 Bijan Saha

The study of a self-consistent system of nonlinear spinor and Bianchi type I gravitational fields in presence of a viscous fluid and $\Lambda$ term with the spinor field nonlinearity being some arbitrary functions of the invariants $I$ an…

广义相对论与量子宇宙学 · 物理学 2015-05-01 Bijan Saha , Victor Rikhvitsky

Evolution of an anisotropic universe described by a Bianchi type I (BI) model in presence of nonlinear spinor field has been studied by us recently in a series of papers. On offer the Bianchi models, those are both inhomogeneous and…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Bijan Saha

This paper is devoted to study Bianchi type I cosmological model in Brans-Dicke theory with self-interacting potential by using perfect, anisotropic and magnetized anisotropic fluids. We assume that the expansion scalar is proportional to…

广义相对论与量子宇宙学 · 物理学 2015-06-04 M. Sharif , Saira Waheed

Self-consistent solutions to the nonlinear spinor field equations in General Relativity has been studied for the case of Bianchi type-I (B-I) space-time. It has been shown that, for some special type of nonliearity the model provides…

广义相对论与量子宇宙学 · 物理学 2015-05-01 Bijan Saha

We explore locally rotationally symmetric Bianchi I universe in Brans-Dicke gravity with self-interacting potential by using charged viscous cosmological string fluid. We use a relationship between the shear and expansion scalars and also…

广义相对论与量子宇宙学 · 物理学 2015-06-05 M. Sharif , Saira Waheed

Within the scope of Bianchi type-III spacetime we study the role of spinor field on the evolution of the Universe as well as the influence of gravity on the spinor field. In doing so we have considered a polynomial type of nonlinearity. In…

广义相对论与量子宇宙学 · 物理学 2016-03-16 Bijan Saha

Self-consistent solutions to nonlinear spinor field equations in General Relativity are studied for the case of Bianchi type-I space-time. It has been shown that introduction of $\Lambda$-term in the Lagrangian generates oscillations of the…

广义相对论与量子宇宙学 · 物理学 2015-05-01 Bijan Saha , G. N. Shikin
‹ 上一页 1 2 3 10 下一页 ›