WIMP dark matter in bulk viscous non-standard cosmologies

Abstract

In this paper, we explored an extension of the classical non-standard cosmological scenario in which the new field, $\varphi$, which interacts with the radiation component in the early universe, experiences dissipative processes in the form of a bulk viscosity. Assuming an interaction term given by ${\Gamma }_{\varphi }{\rho }_{\varphi }$, where ${\Gamma }_{\varphi }$ accounts for the decay rate of the field and ${\rho }_{\varphi }$ corresponds to its energy density, and a bulk viscosity according to the expression $\xi ={\xi }_0{\rho }_{\varphi }^{1/2}$ in the framework of Eckart's theory, we apply this novel non-standard cosmology to study the parameters space for WIMPs Dark Matter candidate production. This parameter space shows deviations from the classical non-standard cosmological scenario, obtaining new regions to search for this candidate. In particular, for certain combinations of the free parameters, we found large regions in which the model can establish the DM and reproduce the current observable relic density.

arXiv comment15 pages and 19 figures. We added new references and comments in this new version

References in corpus (100)

• Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant
• Measurements of Omega and Lambda from 42 High-Redshift Supernovae
• Particle Dark Matter: Evidence, Candidates and Constraints
• Detection of the Baryon Acoustic Peak in the Large-Scale Correlation Function of SDSS Luminous Red Galaxies
• Supersymmetric Dark Matter
• Nine-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Final Maps and Results
• In the Realm of the Hubble tension $-$ a Review of Solutions
• Towards the Theory of Reheating After Inflation
• Freeze-In Production of FIMP Dark Matter
• Raising the bar: new constraints on the Hubble parameter with cosmic chronometers at z$\sim$2
• Improved constraints on the expansion rate of the Universe up to z~1.1 from the spectroscopic evolution of cosmic chronometers
• The Pantheon+ Analysis: The Full Dataset and Light-Curve Release
• The Waning of the WIMP? A Review of Models, Searches, and Constraints
• WISPy Cold Dark Matter
• Inhomogeneous Equation of State of the Universe: Phantom Era, Future Singularity and Crossing the Phantom Barrier
• Precise Relic WIMP Abundance and its Impact on Searches for Dark Matter Annihilation
• Largest temperature of the radiation era and its cosmological implications
• The final state and thermodynamics of dark energy universe
• WIMP dark matter candidates and searches - current status and future prospects
• Big Bang nucleosynthesis and physics beyond the Standard Model
• What is the lowest possible reheating temperature?
• The Dawn of FIMP Dark Matter: A Review of Models and Constraints
• Observational constraints on dark energy with generalized equations of state
• The Four Basic Ways of Creating Dark Matter Through a Portal
• Neutralino with the Right Cold Dark Matter Abundance in (Almost) Any Supersymmetric Model
• Dissipative hidden sector dark matter
• Damping scales of neutralino cold dark matter
• Dark Energy and Viscous Cosmology
• Viscous Cosmology for Early- and Late-Time Universe
• Viscous Little Rip Cosmology
• Quintessence and the Relic Density of Neutralinos
• On the importance of viscous dissipation and heat conduction in binary neutron-star mergers
• Does Bulk Viscosity Create a Viable Unified Dark Matter Model?
• Bulk viscosity driving the acceleration of the Universe
• Reheating and Post-inflationary Production of Dark Matter
• The effect of a late decaying scalar on the neutralino relic density
• Viscous dark energy and phantom evolution
• Inflaton Oscillations and Post-Inflationary Reheating
• Alleviating the $H_0$ and ${\sigma }_8$ anomalies with a decaying dark matter model
• Solving the small-scale structure puzzles with dissipative dark matter
• Nonlinear bulk viscosity and inflation
• Dark goo: Bulk viscosity as an alternative to dark energy
• When the Universe Expands Too Fast: Relentless Dark Matter
• Causal Thermodynamics in Relativity
• Viscous dark fluid universe
• Ultraviolet Freeze-in and Non-Standard Cosmologies
• Can a matter-dominated model with constant bulk viscosity drive the accelerated expansion of the universe?
• Exploring a matter-dominated model with bulk viscosity to drive the accelerated expansion of the Universe
• Dark Matter Freeze-in Production in Fast-Expanding Universes
• Bulk Viscosity, Decaying Dark Matter, and the Cosmic Acceleration
• Massive Particle Decay and Cold Dark Matter Abundance
• "Understanding" cosmological bulk viscosity
• Dissipation of dark matter
• Viscous FRW Cosmology in Modified Gravity
• Constraints on dissipative unified dark matter
• Viscous Dark Cosmology with Account of Quantum Effects
• Scalar singlet dark matter in non-standard cosmologies
• Phenomenology of Self-Interacting Dark Matter in a Matter-Dominated Universe
• Reheating the Standard Model from a hidden sector
• Cardy-Verlinde formula in FRW Universe with inhomogeneous generalized fluid and dynamical entropy bounds near the future singularity
• WIMPs, FIMPs, and Inflaton phenomenology via reheating, CMB and $\Delta N_{eff}$
• Large scale structure from viscous dark matter
• Challenging bulk viscous unified scenarios with cosmological observations
• Dark Matter Freeze-out During Matter Domination
• Reconstructing Non-standard Cosmologies with Dark Matter
• Accelerated and decelerated expansion in a causal dissipative cosmology
• Neutrino Portal to FIMP Dark Matter with an Early Matter Era
• Accelerating cosmological expansion from shear and bulk viscosity
• (Non-)thermal production of WIMPs during kination
• WIMPs during Reheating
• From WIMPs to FIMPs with Low Reheating Temperatures
• Late Decaying Dark Matter, Bulk Viscosity and the Cosmic Acceleration
• Casimir Effects Near the Big Rip Singularity in Viscous Cosmology
• Constraints on cosmological viscosity and self interacting dark matter from gravitational wave observations
• Crossing of the w=-1 Barrier in Two-Fluid Viscous Modified Gravity
• Interacting viscous dark fluids
• Neutralino Dark Matter in Scenarios with Early Matter Domination
• Flooded Dark Matter and S Level Rise
• Crossing the phantom divide with dissipative normal matter in the Israel-Stewart-Hiscock formalism
• Analysing dissipative effects in the $\Lambda$CDM model
• Establishing the Dark Matter Relic Density in an Era of Particle Decays
• Nonlinear bulk viscosity and the stability of accelerated expansion in FRW spacetime
• Phenomenological models for Unified Dark Matter with fast transition
• Stability analysis and constraints on interacting viscous cosmology
• Phantom solution in a non-linear Israel-Stewart theory
• Natural Dark Matter from Type I String Theory
• Dark Matter freezeout in modified cosmological scenarios
• Constraining the Inflationary Equation of State
• Can the Hubble tension be resolved by bulk viscosity?
• Linking little rip cosmologies with regular early universes
• Full causal dissipative cosmologies with stiff matter
• A new Parametrization for Bulk Viscosity Cosmology as Extension of the $\Lambda$CDM Model
• Study of a viscous $\Lambda$WDM model: Near equilibrium condition, entropy production, and cosmological constraints
• Viscous Cosmologies
• Effect of viscosity and thermal conductivity on the radial oscillation and relaxation of relativistic stars
• Generalized equations of state and regular universes
• Bi-metric Universe with Matter
• A non-singular early-time viscous cosmological model
• Dark Matter in a bi-metric universe
• Ultraheavy Dark Matter and WIMPs Production aided by Primordial Black Holes

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• Unraveling particle dark matter with Physics-Informed Neural Networks
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