Add to ORKGWe find the group of symmetry transformations generated by interacting fluids in spatially flat Friedmann-Robertson-Walker (FRW) spacetime which links cosmologies with the same scale factor (identity) or with scale factors a and a-1 (duality). There exists a duality between contracting and superaccelerated expanding scenarios associated with (phantom) cosmologies. We investigate the action of this symmetry group on self-interacting minimally (conformally) coupled quintessence and k-essence cosmologies. © 2005 Elsevier B.V. All rights reserved.Fil:Chimento, L.P. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina
Abstract This paper determines the existence of Noether symmetry in non-minimally coupled f(R, T) gr...
In this paper we present an analysis of a chiral cosmological scenario from the perspective of the K...
We investigate a cosmological model in which dark energy, represented by a quintessential scalar fie...
We find the group of symmetry transformations generated by interacting fluids in spatially flat Frie...
AbstractWe find the group of symmetry transformations generated by interacting fluids in spatially f...
We illustrate how a group of symmetry transformations, which preserve the form of the n-dimensional ...
A duality transformation that interrelates expanding and contracting cosmological models is shown to...
We illustrate how form-invariance transformations can be used for constructing phantom cosmologies f...
We illustrate how form-invariance transformations can be used for constructing phantom cosmologies f...
AbstractWe provide a detailed description for power-law scaling Friedmann–Robertson–Walker cosmologi...
This paper determines the existence of Noether symmetry in non-minimally coupled f(R, T) gravity adm...
We show that Einstein's field equations for spatially flat Friedmann–Robertson–Walker (FRW) spacetim...
In this paper, we present an analysis of a chiral cosmological scenario from the perspective of K-es...
We present a general algorithm based on the concept of form-invariance which can be used for generat...
We investigate cosmological scenarios with a nonminimal derivative coupling between the scalar field...
Abstract This paper determines the existence of Noether symmetry in non-minimally coupled f(R, T) gr...
In this paper we present an analysis of a chiral cosmological scenario from the perspective of the K...
We investigate a cosmological model in which dark energy, represented by a quintessential scalar fie...
We find the group of symmetry transformations generated by interacting fluids in spatially flat Frie...
AbstractWe find the group of symmetry transformations generated by interacting fluids in spatially f...
We illustrate how a group of symmetry transformations, which preserve the form of the n-dimensional ...
A duality transformation that interrelates expanding and contracting cosmological models is shown to...
We illustrate how form-invariance transformations can be used for constructing phantom cosmologies f...
We illustrate how form-invariance transformations can be used for constructing phantom cosmologies f...
AbstractWe provide a detailed description for power-law scaling Friedmann–Robertson–Walker cosmologi...
This paper determines the existence of Noether symmetry in non-minimally coupled f(R, T) gravity adm...
We show that Einstein's field equations for spatially flat Friedmann–Robertson–Walker (FRW) spacetim...
In this paper, we present an analysis of a chiral cosmological scenario from the perspective of K-es...
We present a general algorithm based on the concept of form-invariance which can be used for generat...
We investigate cosmological scenarios with a nonminimal derivative coupling between the scalar field...
Abstract This paper determines the existence of Noether symmetry in non-minimally coupled f(R, T) gr...
In this paper we present an analysis of a chiral cosmological scenario from the perspective of the K...
We investigate a cosmological model in which dark energy, represented by a quintessential scalar fie...