Is Dark Energy Decaying?

Is Dark Energy Decaying? 155K views · 6 months ago #briangreene #worldsciencefestival #Darkenergy ...more. World Science Festival. 1.31M.

Is dark energy violating the conservation of energy law by adding ...

energy is not conserved in a cosmological setting. radiation loses energy in an expanding spacetime while dark energy has constant energy ...

Dark Energy Decay: A Potential End to the Universe?

Another possible outcome if dark energy decays is known as "the Big Rip." In this scenario, all matter including atoms themselves gets torn ...

Is Dark Energy Decaying? - Physical Sciences Area

Is Dark Energy Decaying? ... In this interview with Brian Greene, DESI Director Michael Levi discusses new observations that may change our ...

Dark energy could be getting weaker, suggesting the universe will ...

This could result in the universe ending as a cold cosmos of widely separated dead galaxies, the so-called "Big Chill" scenario. Alternatively, ...

Is it possible dark energy may eventually decay and result in ... - Quora

... Dark Matter* with another hypothesis: the *Decaying ... dark energy decayed. Any result could happen if dark energy decays. Continue Reading.

Hyped Signal of Decaying Dark Matter Vanishes in Updated Analysis

We know that dark matter has existed for almost all of the universe's 13.8-billion-year history. So, if dark matter decays, it must decay ...

Could Dark Energy Wind Up Destroying The Universe? - Forbes

Dark energy could slowly decay away. Rather than an all-at-once change, dark energy could undergo a slow conversion into particle ...

Ask Ethan: Could dark matter be decaying... into dark energy?

If dark matter decays into dark energy, then however much energy is lost by the decay of dark matter must be matched, at each moment in time, by ...

The Cosmological Constant and Dark Energy - P.J.E. Peebles & B ...

The idea that the dark energy is decaying by emission of matter or radiation is now strongly constrained by the condition that the decay energy must not ...

Decaying dark energy in higher-dimensional gravity

Decaying dark energy in higher-dimensional gravity ... Aims. We use data from observational cosmology to put constraints on higher-dimensional extensions of ...

Dark energy - Wikipedia

... dark matter decays into dark energy. Another class of theories that unifies dark matter and dark energy are suggested to be covariant theories of ...

Is dark energy decaying? - Inspire HEP

Dark energy decays as the scalar field rolls down its potential, consequently the current acceleration epoch is a transient. We examine two models of decaying ...

[2307.00418] Decaying Dark Matter and the Hubble Tension - arXiv

Abstract:Decaying dark matter models generically modify the equation of state around the time of dark matter decay, and this in turn ...

Can dark matter decay in dark energy? - NASA/ADS

Using recent cosmological data, we find that, for a fairly simple interaction, the dark matter decay is favored with a probability of ∼93% over the dark energy ...

Detecting Dark Matter Decay - Physics Magazine

According to mass models of the Milky Way, dark matter density should be greatest near the Galactic Center. Thus, if decaying dark matter ...

Constraints on Metastable Dark Energy Decaying into Dark Matter

Title:Constraints on Metastable Dark Energy Decaying into Dark Matter ; (or arXiv:2403.04970v3 [astro-ph.CO] for this version) ; https://doi.org/ ...

Metastable dark energy with radioactive-like decay - Oxford Academic

In Model II, DE decays into dark matter, while in Model III, DE decays into DR. We assume that the decay of DE is due to its intrinsic properties and is not ...

5 Ways That Dark Energy Might Not Determine The Fate Of Our ...

Vacuum decay. Dark energy, the zero-point energy of empty space, possesses a positive, non-zero value.

Dark matter decaying in the late Universe can relieve the H_{0 ...

We study the cosmological effects of two-body dark matter decays where the products of the decay include a massless and a massive particle. We ...