Stability of the isotropic pressure condition
L Herrera - Physical Review D, 2020 - APS
We investigate the conditions for the (in) stability of the isotropic pressure condition in
collapsing spherically symmetric, dissipative fluid distributions. It is found that dissipative …
collapsing spherically symmetric, dissipative fluid distributions. It is found that dissipative …
New definition of complexity for self-gravitating fluid distributions: The spherically symmetric, static case
L Herrera - Physical Review D, 2018 - APS
We put forward a new definition of complexity, for static and spherically symmetric self-
gravitating systems, based on a quantity, hereafter referred to as complexity factor, that …
gravitating systems, based on a quantity, hereafter referred to as complexity factor, that …
Definition of complexity for dynamical spherically symmetric dissipative self-gravitating fluid distributions
The recently proposed definition of complexity for static and spherically symmetric self-
gravitating systems [Herrera, Phys. Rev. D 97, 044010 (2017) PRVDAQ 2470-0010] is …
gravitating systems [Herrera, Phys. Rev. D 97, 044010 (2017) PRVDAQ 2470-0010] is …
Stability of anisotropy pressure in self-gravitational systems in f (G) gravity
This investigation aims to explore certain variables which are considered responsible for
generating pressure anisotropy in dynamical spherically symmetric stellar systems against …
generating pressure anisotropy in dynamical spherically symmetric stellar systems against …
Isotropization of embedding Class I spacetime and anisotropic system generated by complexity factor in the framework of gravitational decoupling
In this work, we present a hierarchical solution-generating technique employing the
Minimum Gravitational Decoupling (MGD) Method and the generalized concept of …
Minimum Gravitational Decoupling (MGD) Method and the generalized concept of …
Quasi-homologous evolution of self-gravitating systems with vanishing complexity factor
We investigate the evolution of self-gravitating either dissipative or non-dissipative systems
satisfying the condition of minimal complexity, and whose areal radius velocity is …
satisfying the condition of minimal complexity, and whose areal radius velocity is …
Complexity factors for axially symmetric static sources
A previously found definition of complexity for spherically symmetric fluid distributions [L.
Herrera, Phys. Rev. D 97, 044010 (2018). PRVDAQ 2470-0010 10.1103/PhysRevD …
Herrera, Phys. Rev. D 97, 044010 (2018). PRVDAQ 2470-0010 10.1103/PhysRevD …
f (G, TαβTαβ) theory and complex cosmological structures
The basic objective of this investigation is to explore the impact of a novel gravitational
modification, specifically, the f (G, T 2)(where T 2≡ T α β T α β, T α β denotes the stress …
modification, specifically, the f (G, T 2)(where T 2≡ T α β T α β, T α β denotes the stress …
Role of electric charge and cosmological constant in structure scalars
The physical meaning of structure scalars is analyzed for charged dissipative spherical
fluids and for neutral dust in the presence of cosmological constant. The role played by such …
fluids and for neutral dust in the presence of cosmological constant. The role played by such …
Evolution of the charged dynamical radiating spherical structures
In the scenario of f (R, T, Q) gravity, where R and T represent the Ricci scalar and the trace of
stress energy tensor respectively, and Q≡ R μ ν T μ ν, we generalize the concept of …
stress energy tensor respectively, and Q≡ R μ ν T μ ν, we generalize the concept of …