Modified Cosmology Models from Thermodynamical Approach

Abstract

We apply the first law of thermodynamics to the apparent horizon of the universe with the power-law corrected and non-extensive Tsallis entropies rather than the Bekenstein-Hawking one. We examine the cosmological properties in the two entropy models by using the CosmoMC package. In particular, the first numerical study for the cosmological observables with the power-law corrected entropy is performed. We also show that the neutrino mass sum has a non-zero central value with a relaxed upper bound in the Tsallis entropy model comparing with that in the $\Lambda$CDM one.

17 pages, 12 figures, published version in EPJC

References in corpus (35)

• Dynamics of dark energy
• The Cosmological Constant and Dark Energy
• Cosmological parameters from CMB and other data: a Monte-Carlo approach
• Thermodynamics of Spacetime: The Einstein Equation of State
• The 6dF Galaxy Survey: Baryon Acoustic Oscillations and the Local Hubble Constant
• Dark energy cosmology: the equivalent description via different theoretical models and cosmography tests
• Constraints on the redshift dependence of the dark energy potential
• A 6% measurement of the Hubble parameter at $z\sim 0.45$: direct evidence of the epoch of cosmic re-acceleration
• Cosmic Chronometers: Constraining the Equation of State of Dark Energy. I: H(z) Measurements
• 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
• Interpretation of the nonextensitivity parameter $q$ in some applications of Tsallis statistics and Lévy distributions
• Black hole thermodynamical entropy
• CFHTLenS tomographic weak lensing cosmological parameter constraints: Mitigating the impact of intrinsic galaxy alignments
• Clustering of Luminous Red Galaxies IV: Baryon Acoustic Peak in the Line-of-Sight Direction and a Direct Measurement of H(z)
• Baryon Acoustic Oscillations in the Ly-α forest of BOSS quasars
• Thermodynamic Behavior of Friedmann Equation at Apparent Horizon of FRW Universe
• Constraints on the equation of state of dark energy and the Hubble constant from stellar ages and the CMB
• Nonextensivity and multifractality in low-dimensional dissipative systems
• The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: measurements of the growth of structure and expansion rate at z=0.57 from anisotropic clustering
• Friedmann Equations of FRW Universe in Scalar-tensor Gravity, f(R) Gravity and First Law of Thermodynamics
• Tsallis Holographic Dark Energy
• Thermodynamics of dark energy interacting with dark matter and radiation
• Entropic Accelerating Universe
• Holographic dark energy through Tsallis entropy
• Modified cosmology from extended entropy with varying exponent
• A New Perspective on Cosmic Coincidence Problems
• Entropic cosmology for a generalized black-hole entropy
• Power-law corrections to entanglement entropy of horizons
• Tsallis holographic dark energy in the Brans-Dicke cosmology
• A Note on Tsallis Holographic Dark Energy
• Modified cosmology through nonextensive horizon thermodynamics
• Thermodynamical First Laws of Black Holes in Quadratically-Extended Gravities
• The first law of thermodynamics in Lifshitz black holes revisited
• Tsallis Agegraphic Dark Energy Model

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• The cosmological behaviour and the statefinder diagnosis for the New Tsallis agegraphic dark energy
• Inflation Based on the Tsallis Entropy
• Constraints on Barrow and Tsallis Holographic Dark Energy from DESI DR2 BAO data
• Topological and optical signatures of modified black-hole entropies
• Observational constraints on Luciano-Saridakis entropic cosmology
• A winding number analysis of Schwarzschild black hole stability in light of Planck-scale modified kinematics