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A complete model of cosmological evolution of a classical scalar field with the Higgs potential is studied and simulated on a computer without assumption that the Hubble constant is nonnegative. The corresponding dynamical system is…

综合物理 · 物理学 2021-08-18 Yu. G. Ignat'ev , A. R. Samigullina

A study of a complete cosmological model based on an asymmetric scalar doublet represented by the classical and phantom scalar Higgs fields is carried out. At the same time, the assumption about the nonnegativity of the expansion rate of…

广义相对论与量子宇宙学 · 物理学 2021-04-05 Yu. G. Ignat'ev , I. A. Kokh

A complete cosmological evolution model of the classical scalar field with a Higgs potential is studied and simulated on a computer without the assumption that the Hubble constant is nonnegative. It is shown that with most initial…

广义相对论与量子宇宙学 · 物理学 2021-11-03 Yu. G. Ignat'ev , A. R. Samigullina

A study and numerical modeling of the cosmological evolution of a classical scalar field with the Higgs potential was carried out. Based on the formulated similarity properties of cosmological models, their main characteristics are studied…

广义相对论与量子宇宙学 · 物理学 2023-12-12 Yu. G. Ignat'ev , A. R. Samigullina

The revision of the Author's results with respect to possibility of existence of the so-called Euclidian cycles in cosmological evolution of a system of Higgs scalar fields has been performed. The assumption of non-negativity of the…

广义相对论与量子宇宙学 · 物理学 2020-05-29 Yu. G. Ignat'ev , D. Yu. Ignat'ev

A detailed analysis of the phase trajectories of cosmological models based on classical and scalar fields near surfaces of zero effective energy has been carried out. A study of the differential parameters of the convergence of phase…

广义相对论与量子宇宙学 · 物理学 2019-09-04 Yu. G. Ignat'ev , A. R Samigullina

A mathematical model of the cosmological evolution of statistical systems of scalarly charged particles with Higgs scalar interaction is formulated and investigated. Examples are given of numerical modeling of such systems, revealing their…

综合物理 · 物理学 2020-10-08 Yu. G. Ignat'ev

Cosmological models based on an asymmetric scalar Higgs doublet (canonical $\Phi$ and phantom $\phi$ fields) with potential interaction between the components are proposed. A qualitative analysis of the corresponding dynamic systems is…

广义相对论与量子宇宙学 · 物理学 2024-10-23 Yu. G. Ignat'ev , A. R. Samigullina

A detailed qualitative analysis and numerical modeling of the evolution of cosmological models based on nonlinear classical and phantom scalar fields with self-action are performed. Complete phase portraits of the corresponding dynamical…

广义相对论与量子宇宙学 · 物理学 2019-05-03 Yu. G. Ignat'ev , A. A. Agathonov

The ordering dynamics of the Higgs field is studied, using techniques inspired by the study of phase ordering in condensed matter physics, as a first step to understanding the evolution of cosmic structure through the formation of…

高能物理 - 唯象学 · 物理学 2009-10-28 Joao A. N. Filipe , Alan J. Bray

A mathematical model of the Universe evolution, based on asymmetric doublet of classical and phantom dcalar Higgs fields with a kinetic connection between the components, has been constructed and studied. A detailed qualitative analysis was…

广义相对论与量子宇宙学 · 物理学 2024-11-26 Yu. G. Ignat'ev , I. A. Kokh

A detailed comparative qualitative analysis and numerical simulation of evolution of the cosmological models based on classical and phantom scalar fields with self-action was performed. The phase portraits of the dynamic systems of…

广义相对论与量子宇宙学 · 物理学 2018-08-15 Yurii Ignat'ev , Alexander Agathonov , Irina Kokh

Scale transformations of cosmological models based on a statistical system of degenerate fermions with a scalar Higgs interaction are studied. The similarity properties of cosmological models are revealed under the scale transformation of…

广义相对论与量子宇宙学 · 物理学 2024-05-24 Yu. G. Ignat'ev

Mathematical models describing the cosmological evolution of classical and phantom scalar fields with self-action are formulated and analyzed. Systems of dynamical equations in the plane, describing homogeneous cosmological models, have…

广义相对论与量子宇宙学 · 物理学 2019-03-15 Yu. G. Ignat'ev , A. A. Agathonov

A detailed comparative qualitative analysis and numerical simulation of evolution of the cosmological models based on the doublet of classical and phantom scalar fields with self-action. The 2-dimensional and 3-dimensional projections of…

广义相对论与量子宇宙学 · 物理学 2018-10-24 Yurii Ignat'ev , Alexander Agathonov , Irina Kokh

It is shown that the Einstein gravity + Higgs scalar field have cosmological regular solutions with deceleration/acceleration phases and with bouncing off from a singularity. The behavior of the solution near to a flex point is in detail…

广义相对论与量子宇宙学 · 物理学 2009-07-31 V. Dzhunushaliev , K. Myrzakulov , R. Myrzakulov

We consider a dynamics of Higgs' field in the framework of cosmological models involving the scalar field from Nonsymmetric Kaluza-Klein (Jordan-Thiry) Theory. The field plays here a role of a quintessence field. We consider phase…

天体物理学 · 物理学 2007-05-23 M. W. Kalinowski

The Brans-Dicke scalar-tensor cosmological models are studied in both Einstein and Jordan frames, using hydrodynamical and self-interacting scalar field representations of the energy-momentum tensor, leading to the same background…

广义相对论与量子宇宙学 · 物理学 2025-04-03 Tiago H. B. Alves , Júlio C. Fabris , Luiz Filipe Guimarães

We study the cosmological evolution of the field equations in the context of Einstein-Aether cosmology by including a scalar field in a spatially flat Friedmann--Lema\^{\i}tre--Robertson--Walker spacetime. Our analysis is separated into two…

广义相对论与量子宇宙学 · 物理学 2020-01-17 Andronikos Paliathanasis , G. Papagiannopoulos , Spyros Basilakos , John D. Barrow

We consider a dynamics of Higgs' Fields in the framework of cosmological models involving a scalar field from Nonsymmetric Kaluza Klein (Jordan-Thiry) Theory. The scalar field plays here a role of a quintessece field. We consider phase…

高能物理 - 理论 · 物理学 2007-05-23 M. W. Kalinowski
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