Results 1 to 10 of about 12,766 (215)
Systematic treatment of non-linear effects in Baryon Acoustic Oscillations
In this contribution we will discuss the non-linear effects in the baryon acoustic oscillations and present a systematic and controllable way to account for them within time-sliced perturbation theory.
Ivanov Mikhail M.
doaj +3 more sources
Detecting Baryon Acoustic Oscillations [PDF]
Baryon Acoustic Oscillations are a feature imprinted in the galaxy distribution by acoustic waves traveling in the plasma of the early universe. Their detection at the expected scale in large-scale structures strongly supports current cosmological models
A. Labatie +22 more
core +3 more sources
Isocurvature modes and Baryon Acoustic Oscillations [PDF]
The measurement of Baryonic Acoustic Oscillations from galaxy surveys is well known to be a robust and powerful tool to constrain dark energy. This method relies on the knowledge of the size of the acoustic horizon at radiation drag derived from Cosmic ...
+27 more
core +4 more sources
The Hubble Tension Resolved by the DESI Baryon Acoustic Oscillations Measurements
The Lambda cold dark matter (ΛCDM) cosmological model provides a good description of a wide range of astrophysical and cosmological observations. However, severe challenges to the phenomenological ΛCDM model have emerged recently, including the Hubble ...
X. D. Jia +4 more
doaj +2 more sources
Gravitational wave induced baryon acoustic oscillations
We study the impact of gravitational waves originating from a first order phase transition on structure formation. To do so, we perform a second order perturbation analysis in the $1+3$ covariant framework and derive a wave equation in which second ...
Christian Döring, Salvador Centelles Chuliá, Manfred Lindner, Bjoern Malte Schaefer, Matthias Bartelmann
doaj +1 more source
Probing Cosmology with Baryon Acoustic Oscillations Using Gravitational Waves
The third-generation (3G) gravitational wave (GW) detectors such as the Einstein Telescope or Cosmic Explorer are expected to play an important role in cosmology. With the help of 3G detectors, we will be able to probe large-scale structure features such
Sumit Kumar
doaj +1 more source
BINGO (BAO from Integrated Neutral Gas Observations) is a unique radio telescope designed to map the intensity of neutral hydrogen distribution at cosmological distances, making the first detection of Baryon Acoustic Oscillations (BAO) in the frequency ...
CARLOS A. WUENSCHE +50 more
doaj +1 more source
Low-redshift estimates of the absolute scale of baryon acoustic oscillations
Measurements of the characteristic length scale $$r_s$$ r s of the baryon acoustic oscillations (BAO) provide a robust determination of the distance-redshift relation.
Thais Lemos +3 more
doaj +1 more source
Living on the Fermi edge: On baryon transport and Fermi condensation
The transfer function of the baryon power spectrum from redshift z≈1100 to today has recently been, for the first time, determined from data by Pardo and Spergel.
Andreas Trautner
doaj +1 more source
Bayesian comparison of interacting modified holographic Ricci dark energy scenarios
We perform a Bayesian model selection analysis for interacting scenarios of dark matter and modified holographic Ricci dark energy (MHRDE) with linear interacting terms.
Antonella Cid +3 more
doaj +1 more source

