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Related papers: Line-Intensity Mapping

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Line Intensity Mapping (LIM) offers a novel avenue to observe and characterize our universe. LIM data of CO spectral lines are becoming available, such as those obtained by the CO Mapping Array Project (COMAP). COMAP data can be used to…

Cosmological observations usually map our present-day past light cone. However, it is also possible to compare different past light cones. This is the concept behind the redshift drift, a model-independent probe of fundamental cosmology. In…

Cosmology and Nongalactic Astrophysics · Physics 2019-07-12 C. S. Alves , A. C. O. Leite , C. J. A. P. Martins , J. G. B. Matos , T. A. Silva

Line intensity mapping offers a new avenue for constraining cosmological parameters in the high redshift Universe. However measurements of the growth of structure, a sensitive probe of gravity, are affected by a well known degeneracy with…

Cosmology and Nongalactic Astrophysics · Physics 2019-07-04 Emanuele Castorina , Martin White

High-redshift clusters of galaxies are amongst the largest cosmic structures. Their properties and evolution are key ingredients to our understanding of cosmology: to study the growth of structure from the inhomogeneities of the cosmic…

Astrophysics · Physics 2007-05-23 A. Fernandez-Soto , J. Bland-Hawthorn , J. I. Gonzalez-Serrano , R. Carballo

Line intensity mapping (LIM) promises to probe previously inaccessible corners of the faint and high-redshift universe. However, confusion with bright foregrounds is a major challenge for current-era pathfinder LIM experiments.…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-16 Delon Shen , Nickolas Kokron , Emmanuel Schaan

Advances in experimental techniques make it possible to map the high redshift Universe in three dimensions at high fidelity in the near future. This will increase the observed volume by many-fold, while providing unprecedented access to…

Cosmology and Nongalactic Astrophysics · Physics 2022-09-13 Simone Ferraro , Noah Sailer , Anze Slosar , Martin White

We consider the potential for line intensity mapping (LIM) of the rotational CO(1-0), CO(2-1) and CO(3-2) transitions to detect deviations from General Relativity from $0 < z < 3$ within the framework of a very general class of modified…

Cosmology and Nongalactic Astrophysics · Physics 2023-05-31 Bryan R. Scott , Kirit S. Karkare , Simeon Bird

The nature of dark matter (DM) is still debated. While cold DM (CDM) is the standard paradigm, warm DM (WDM) may ease some small-scale tensions in the $\Lambda$CDM framework. Line-intensity mapping (LIM) offers a novel probe of DM…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-17 Elena Marcuzzo , Cristiano Porciani , Emilio Romano-Díaz , Azadeh Moradinezhad Dizgah , Prachi Khatri , Matteo Viel

We forecast the ability of future-generation experiments to detect the fine-structure lines of the carbon and oxygen ions, [CII] and [OIII] in intensity mapping (IM) from the Epoch of Reionization ($z \sim 6-8$). Combining the latest…

Astrophysics of Galaxies · Physics 2022-08-03 Hamsa Padmanabhan , Patrick Breysse , Adam Lidz , Eric R. Switzer

Intensity mapping (IM) is sensitive to the cumulative line emission of galaxies. As such it represents a promising technique for statistical studies of galaxies fainter than the limiting magnitude of traditional galaxy surveys. The strong…

Cosmology and Nongalactic Astrophysics · Physics 2016-09-21 Paolo Comaschi , Bin Yue , Andrea Ferrara

Line intensity mapping (LIM) is a promising probe to study star formation, the large-scale structure of the Universe, and the epoch of reionization (EoR). Since carbon monoxide (CO) is the second most abundant molecule in the Universe…

Cosmology and Nongalactic Astrophysics · Physics 2023-03-01 Xingchen Zhou , Yan Gong , Furen Deng , Meng Zhang , Bin Yue , Xuelei Chen

Constraints on primordial non-Gaussianity (PNG) will shed light on the origin of primordial fluctuations and the physics of the early universe. The intensity mapping technique is a promising probe of structure formation on large scales; at…

Cosmology and Nongalactic Astrophysics · Physics 2019-02-27 Azadeh Moradinezhad Dizgah , Garrett K. Keating

Line intensity mapping (LIM) experiments probing the nearby universe can expect a considerable amount of cosmic infrared background (CIB) contiuum emission coming from near and far-infrared galaxies. For the purpose of using the LIM data to…

Cosmology and Nongalactic Astrophysics · Physics 2023-07-26 Zilu Zhou , Abhishek S. Maniyar , Anthony R. Pullen

ALMA is revolutionizing the way we study and understand the astrophysics of galaxies, both as a whole and individually. By exploiting its unique sensitivity and resolution to make spatially and spectrally resolved images of the gas and dust…

Astrophysics of Galaxies · Physics 2015-03-12 Andrew W. Blain

Line intensity mapping experiments seek to trace large scale structure by measuring the spatial fluctuations in the combined emission, in some convenient spectral line, from individually unresolved galaxies. An important systematic concern…

Cosmology and Nongalactic Astrophysics · Physics 2016-07-20 Adam Lidz , Jessie Taylor

Intensity mapping (IM) of spectral lines has the potential to revolutionize cosmology by increasing the total number of observed modes by several orders of magnitude compared to the cosmic microwave background (CMB) anisotropies. In this…

Cosmology and Nongalactic Astrophysics · Physics 2020-12-22 Jurek B. Bauer , David J. E. Marsh , Renée Hložek , Hamsa Padmanabhan , Alex Laguë

Precision cosmology requires accurate galaxy redshifts, but next generation optical surveys will observe unprecedented numbers of resolved galaxies, placing strain on the amount of spectroscopic follow-up required. We show how useful…

Cosmology and Nongalactic Astrophysics · Physics 2018-11-07 Steven Cunnington , Ian Harrison , Alkistis Pourtsidou , David Bacon

Line-intensity mapping (LIM) offers an approach to obtain three-dimensional maps of the large-scale structure by collecting the aggregate emission from all emitters along the line of sight. The procedure hinges on reconstructing the radial…

Cosmology and Nongalactic Astrophysics · Physics 2025-09-15 José Luis Bernal , Antón Baleato Lizancos
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