Holographic Dark Energy from a Polynomial Expansion in the Hubble Parameter

Shared by Gary Testing on Nov 2, 2025 • 05:37 AM UTC

Authors:

Joel Saavedra

Samuel Lepe

Joaquín Housset

Abstract

This work investigates a generalized holographic dark energy (HDE) model defined by a polyno- mial expansion in the Hubble parameter, incorporating the first three leading terms proportional to H2,H4, andH6through a variable parameter in the expression for the energy density. The anal- ysis is devel...

Subject

Holographic Dark Energy

Polynomial expansion in the Hubble parameter

Highlights

-Generalized holographic dark energy model with H2, H4 and H6 corrections controlled by a running parameter c2(t).

-Thermodynamic P–V analysis reveals van der Waals-type phase transitions with a first-order transition below Tc and a second-order critical point.

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Adam Zar

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