Predicting today's cosmological constant via the Zel'dovich-Holographic connection

TL;DR

This paper proposes a novel approach to the cosmological constant problem by combining Zel'dovich's ansatz with a holographic ultraviolet cutoff, successfully predicting current observed values.

Contribution

It introduces a holographic ultraviolet cutoff into Zel'dovich's ansatz, providing a new theoretical framework that aligns with observed cosmological constant values.

Findings

Predicted current cosmological constant matches observations

Introduced holographic principle as a cutoff in vacuum energy calculations

Offers a potential solution to the CC paradox

Abstract

This Letter proposes a solution of the Vacuum Energy and the Cosmological Constant (CC) paradox based on the Zel'dovich's ansatz, which states that the observable contribution to the vacuum energy density is given by the gravitational energy of virtual particle-antiparticle pairs, continually generated and annihilated in the vacuum state. The novelty of this work is the use of an ultraviolet cut-off length based on the Holographic Principle, which is shown to yield current values of the CC in good agreement with experimental observations.