# Predictions from the logotropic model: The universal surface density of dark matter halos and the present proportions of dark matter and dark energy

@article{Chavanis2022PredictionsFT, title={Predictions from the logotropic model: The universal surface density of dark matter halos and the present proportions of dark matter and dark energy}, author={Pierre-Henri Chavanis}, journal={Physics of the Dark Universe}, year={2022} }

## 5 Citations

### Gravitationally confined matter in the background scalar field of dark energy

- PhysicsPhysics of the Dark Universe
- 2022

### Black hole thermodynamics from logotropic fluids

- Physics
- 2022

We show that Einstein’s ﬁeld equations with a negative cosmological constant can admit black hole solutions whose thermodynamics coincides with that of logotropic ﬂuids, recently investigated to heal…

### New logotropic model based on a complex scalar field with a logarithmic potential

- PhysicsPhysical Review D
- 2022

We introduce a new logotropic model based on a complex scalar field with a logarithmic potential that unifies dark matter and dark energy. The scalar field satisfies a nonlinear wave equation…

### Generalized Logotropic Models and Their Cosmological Constraints

- PhysicsUniverse
- 2022

We propose a new class of cosmological unified dark sector models called “Generalized Logotropic Models”. They depend on a free parameter n. The original logotropic model is a special case of our…

### K-Essence Lagrangians of Polytropic and Logotropic Unified Dark Matter and Dark Energy Models

- PhysicsAstronomy
- 2022

We determine the k-essence Lagrangian of a relativistic barotropic fluid. The equation of state of the fluid can be specified in different manners depending on whether the pressure is expressed in…

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### New logotropic model based on a complex scalar field with a logarithmic potential

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- 2022

We introduce a new logotropic model based on a complex scalar field with a logarithmic potential that unifies dark matter and dark energy. The scalar field satisfies a nonlinear wave equation…

### Predictive model of fermionic dark matter halos with a quantum core and an isothermal atmosphere

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- 2022

We develop a thermodynamical model of fermionic dark matter halos at ﬁnite temperature. Statistical equilibrium states may be justiﬁed by a process of violent collisionless relaxation in the sense of…

### K-Essence Lagrangians of Polytropic and Logotropic Unified Dark Matter and Dark Energy Models

- PhysicsAstronomy
- 2022

We determine the k-essence Lagrangian of a relativistic barotropic fluid. The equation of state of the fluid can be specified in different manners depending on whether the pressure is expressed in…

### A heuristic wave equation parameterizing BEC dark matter halos with a quantum core and an isothermal atmosphere

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- 2022

The Gross-Pitaevskii-Poisson equations that govern the evolution of self-gravitating Bose-Einstein condensates, possibly representing dark matter halos, experience a process of gravitational cooling…

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We study the Jeans instability of an infinite homogeneous dissipative self-gravitating Bose–Einstein condensate described by generalized Gross–Pitaevskii–Poisson equations [Chavanis, P.H. Eur. Phys.…