Dark Dancers: When Dark Matter and Dark Energy Dance Together ⚡ экспресс
The standard ΛCDM cosmological model fits the data well but struggles with the Hubble tension and fails to capture the dynamical nature of dark energy suggested by the recent DESI DR2 analysis. We explore a field-theoretic framework where dark energy and dark matter are interacting scalar fields. By scanning a wide range of coupling strengths, we show how they affect the dark energy equation of state and the magnitude of the Hubble tension. Using the latest observational data, including DESI DR2, we obtain constraints on cosmological and model parameters.
Galaxies are flying apart, but the expansion rate measured from the afterglow of the Big Bang and from supernova explosions doesn't match—this problem has been called the Hubble tension. It's like two dancers losing their rhythm because they can't feel each other. Edwin Hubble was the first to notice that distant galaxies are fleeing faster.
A new model fixes the dance: dark matter and dark energy are not independent but interact. Then their movements synchronize, and the discrepancy in measurements vanishes.
Testing against observations by Adam Riess and early universe data confirms: this kind of interaction makes the cosmos clearer without breaking the rest of the picture.
🎯 Data from the DESI telescope has shown for the first time that dark energy might not be eternal and unchanging—its properties are evolving, meaning the biggest mystery in cosmology might have a solution.