## 122 Citations

Astronomical bounds on a future Big Freeze singularity

- Physics
- 2007

It was recently found that dark energy in the form of phantom generalized Chaplygin gas may lead to a new form of a cosmic doomsday, the Big Freeze singularity. Like the Big Rip singularity, the Big…

Cosmological future singularities in massive gravity and massive bigravity

- PhysicsPhysics of the Dark Universe
- 2021

Cosmic anisotropic doomsday in Bianchi type I universes

- Physics
- 2015

In this paper we study finite time future singularities in anisotropic Bianchi type I models. It is shown that there exist future singularities similar to Big Rip ones (which appear in the framework…

Classical and quantum fate of the little sibling of the big rip in
f(R)
cosmology

- PhysicsPhysical Review D
- 2019

The Little Sibling of the Big Rip is a cosmological abrupt event predicted by some phantom cosmological models that could describe our Universe. When this event is approached the observable Universe…

Little rip in classical and quantum
f(R)
cosmology

- Physics
- 2021

The little rip is a cosmological abrupt event predicted by some phantom dark energy models that could describe the future evolution of our Universe. This event can be interpreted as a big rip…

Is the accelerated expansion evidence of a forthcoming change of signature

- Physics
- 2007

We show that regular changes of signature on brane-worlds in AdS5 bulks may account for some types of the recently fashionable sudden singularities. Therefore, the fact that the Universe seems to…

Phantom singularities and their quantum fate: general relativity and beyond—a CANTATA COST action topic

- PhysicsGeneral Relativity and Gravitation
- 2019

Cosmological observations allow the possibility that dark energy is caused by phantom fields. These fields typically lead to the occurrence of singularities in the late Universe. We review here the…

Singularities in Inflationary Cosmological Models

- Mathematics, PhysicsUniverse
- 2021

Due to the accelerated expansion of the universe, the possibilities for the formation of singularities has changed from the classical Big Bang and Big Crunch singularities to include a number of new…

Tradeoff between smoother and sooner “little rip”

- Physics
- 2013

There exist dark-energy models that predict the occurrence of a “little rip”. At the point of a little rip the Hubble rate and its cosmic time derivative approach infinity, which is quite similar to…

Appeasing the phantom menace?

- Physics
- 2010

An induced gravity brane-world model is considered herein. A Gauss-Bonnet term is provided for the bulk, whereas phantom matter is present on the brane. It is shown that a combination of infra-red…

## References

SHOWING 1-10 OF 39 REFERENCES

Does the Big Rip survive quantization?

- Physics
- 2006

It is known that certain quantum cosmological models present quantum behavior for large scale factors. Since quantization can suppress past singularities, it is natural to inquire whether quantum…

Properties of singularities in the (phantom) dark energy universe

- Physics, Mathematics
- 2005

The properties of future singularities are investigated in the universe dominated by dark energy including the phantom-type fluid. We classify the finite-time singularities into four classes and…

Quantum effects, soft singularities and the fate of the universe in a braneworld cosmology

- Physics
- 2006

We examine a class of braneworld models in which the expanding universe encounters a ‘quiescent’ future singularity. At a quiescent singularity, the energy density and pressure of the cosmic fluid as…

Axion phantom energy

- Physics
- 2004

The existence of phantom energy in a universe which evolves to eventually show a big rip doomsday is a possibility which is not excluded by present observational constraints. In this paper it is…

Escaping the big rip?

- Physics
- 2005

We discuss dark energy models which might describe effectively the actual acceleration of the universe. More precisely, for a four-dimensional Friedmann–Lemaître–Robertson–Walker (FLRW) universe we…

Brane World States from a Generalized Chaplygin Gas

- Physics
- 2004

We consider the hypothesis that the transition to an accelerated period in the current universe involves a quantum mechanical process. We identify a minisuperspace configuration with two Lorentzian…

Final state and thermodynamics of a dark energy universe

- Physics
- 2004

As it follows from the classical analysis, the typical final state of a dark energy universe where a dominant energy condition is violated is a finite-time, sudden future singularity (a big rip). For…

Brane world cosmology

- Physics
- 2004

Recent developments in the physics of extra dimensions have opened up new avenues to test such theories. We review cosmological aspects of brane world scenarios such as the Randall–Sundrum brane…