Spinors, inflation, and non-singular cyclic cosmologies
C Armendariz-Picon, PB Greene - General Relativity and Gravitation, 2003 - Springer
We consider toy cosmological models in which a classical, homogeneous, spinor field
provides a dominant or sub-dominant contribution to the energy-momentum tensor of a flat …
provides a dominant or sub-dominant contribution to the energy-momentum tensor of a flat …
Spinor field in a Bianchi type-I universe: regular solutions
B Saha - Physical Review D, 2001 - APS
Self-consistent solutions to the nonlinear spinor field equations in general relativity are
studied for the case of Bianchi type-I (BI) space-time. It is shown that, for some special type …
studied for the case of Bianchi type-I (BI) space-time. It is shown that, for some special type …
Isotropic and anisotropic dark energy models
B Saha - Physics of Particles and nuclei, 2014 - Springer
In this review we discuss the evolution of the universe filled with dark energy with or without
perfect fluid. In doing so we consider a number of cosmological models, namely Bianchi type …
perfect fluid. In doing so we consider a number of cosmological models, namely Bianchi type …
Nonlinear spinor field in cosmology
B Saha - Physical Review D, 2004 - APS
Within the scope of the Bianchi type VI models, the self-consistent system of nonlinear spinor
field and gravitational fields is considered. Exact self-consistent solutions to the spinor and …
field and gravitational fields is considered. Exact self-consistent solutions to the spinor and …
Spinor fields in Bianchi type-I Universe
B Saha - Physics of Particles and Nuclei, 2006 - Springer
A system of minimally coupled nonlinear spinor and scalar fields within the scope of a
Bianchi type-I (BI) cosmological model in the presence of a perfect fluid and a cosmological …
Bianchi type-I (BI) cosmological model in the presence of a perfect fluid and a cosmological …
Spinor field nonlinearity and space-time geometry
B Saha - Physics of Particles and Nuclei, 2018 - Springer
Within the scope of Bianchi type VI, VI0, V, III, I, LRSBI and FRW cosmological models we
have studied the role of nonlinear spinor field on the evolution of the Universe and the …
have studied the role of nonlinear spinor field on the evolution of the Universe and the …
Ricci flow in general relativity: dynamics of gluon fields on an arbitrary curved background from unified spinor fields
M Bellini - Physica Scripta, 2021 - iopscience.iop.org
We describe the gluon field dynamics from Unified Spinor Fields, taking into account the
quantum self-interactions which come from a Ricci flow in a varied Einstein-Hilbert action. A …
quantum self-interactions which come from a Ricci flow in a varied Einstein-Hilbert action. A …
Towards unified spinor fields: confinement of gravitons on a de Sitter background
MRA Arcodía, M Bellini - Canadian Journal of Physics, 2019 - cdnsciencepub.com
We propose a unified theory for spinor fields on extended Weyl manifolds taking into
account self-interactions to obtain the relativistic dynamics on a general curved Riemannian …
account self-interactions to obtain the relativistic dynamics on a general curved Riemannian …
Nonlinear spinor fields in an anisotropic universe filled with viscous fluid: Exact solutions and qualitative analysis
B Saha, V Rikhvitsky - Physics of Particles and Nuclei, 2009 - Springer
A self-consistent system containing a nonlinear spinor field and a Bianchi type-I (BI)
gravitational field is considered in the presence of a viscous fluid and the cosmological …
gravitational field is considered in the presence of a viscous fluid and the cosmological …
[PDF][PDF] Нелинейность спинорного поля и геометрия пространства-времени
Б Саха - Физика элементарных частиц и атомного ядра, 2018 - wwwinfo.jinr.ru
Нелинейные явления длительное время были одной из самых популярных тем. Однако
нужно признать, что нелинейные классические поля не получили общего …
нужно признать, что нелинейные классические поля не получили общего …