The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Baryon Acoustic Oscillation Intensity Mapping of Dark Energy
Open accessAbstract
The expansion of the Universe appears to be accelerating, and the mysterious antigravity agent of this acceleration has been called "dark energy." To measure the dynamics of dark energy, baryon acoustic oscillations (BAO) can be used. Previous discussions of the BAO dark energy test have focused on direct measurements of redshifts of as many as 10(9) individual galaxies, by observing the 21 cm line or by detecting optical emission. Here we show how the study of acoustic oscillation in the 21 cm brightness can be accomplished by economical three-dimensional intensity mapping. If our estimates gain acceptance they may be the starting point for a new class of dark energy experiments dedicated to large angular scale mapping of the radio sky, shedding light on dark energy.
Overview
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
The self-check needs the paper’s full text.
Citations
Cites
Three‐Year Wilkinson Microwave Anisotropy Probe ( WMAP ) Observations: Implications for Cosmology
Spergel, D. N., Bean, R., Dore, O., Nolta, M. R., Bennett, C. L., Dunkley, J., Hinshaw, G., Jarosik, N., Komatsu, E., Page, L., et al. (2007) · The Astrophysical Journal Supplement Series · doi:10.1086/513700 · Cited by 6,778
Cited by
Reionization and Cosmology with 21-cm Fluctuations
Morales, M. F., & Wyithe, J. S. B. (2010) · Annual Review of Astronomy and Astrophysics · doi:10.1146/annurev-astro-081309-130936 · Cited by 462
An intensity map of hydrogen 21-cm emission at redshift z ≈ 0.8
Chang, T.-C., Pen, U.-L., Bandura, K., & Peterson, J. B. (2010) · Nature · doi:10.1038/nature09187 · Cited by 377
Self-citationMEASUREMENT OF 21 cm BRIGHTNESS FLUCTUATIONS AT z ∼ 0.8 IN CROSS-CORRELATION
Masui, K. W., Switzer, E. R., Banavar, N., Bandura, K., Blake, C., Calin, L.-M., Chang, T.-C., Chen, X., Li, Y.-C., Liao, Y.-W., et al. (2013) · The Astrophysical Journal · doi:10.1088/2041-8205/763/1/l20 · Cited by 344
Self-citationHow to evade the sample variance limit on measurements of redshift-space distortions
McDonald, P., & Seljak, U. (2009) · Journal of Cosmology and Astroparticle Physics · doi:10.1088/1475-7516/2009/10/007 · Cited by 268
Self-citationHInet: Generating Neutral Hydrogen from Dark Matter with Neural Networks
Wadekar, D., Villaescusa-Navarro, F., Ho, S., & Perreault-Levasseur, L. (2021) · The Astrophysical Journal · doi:10.3847/1538-4357/ac033a · Cited by 32
Metadata
- Authors
- Chang, T.-C., Pen, U.-L., Peterson, J. B., & McDonald, P.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2008-03-05
- Volume
- 100
- Issue
- 9
- Pages
- 091303-091303
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2075842556
- Cited by
- 360
- References
- 1
- FWCI
- 10.02
- Type
- journal article
- Language
- en
- Open access
- green
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review
How to cite
Cite CoChat for the checks on this page, and the paper for its own findings.
- This page
- CoChat. (2026). Citation check: Baryon Acoustic Oscillation Intensity Mapping of Dark Energy. https://app.cochat.ai/papers/10.1103/physrevlett.100.091303
- The paper
- Chang, T.-C., Pen, U.-L., Peterson, J. B., & McDonald, P. (2008). Baryon Acoustic Oscillation Intensity Mapping of Dark Energy. Physical Review Letters. https://doi.org/10.1103/physrevlett.100.091303
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
