Liam Parker

1.2k total citations · 1 hit paper
11 papers, 740 citations indexed

About

Liam Parker is a scholar working on Astronomy and Astrophysics, Instrumentation and Statistical and Nonlinear Physics. According to data from OpenAlex, Liam Parker has authored 11 papers receiving a total of 740 indexed citations (citations by other indexed papers that have themselves been cited), including 9 papers in Astronomy and Astrophysics, 3 papers in Instrumentation and 2 papers in Statistical and Nonlinear Physics. Recurrent topics in Liam Parker's work include Cosmology and Gravitation Theories (5 papers), Galaxies: Formation, Evolution, Phenomena (4 papers) and Relativity and Gravitational Theory (3 papers). Liam Parker is often cited by papers focused on Cosmology and Gravitation Theories (5 papers), Galaxies: Formation, Evolution, Phenomena (4 papers) and Relativity and Gravitational Theory (3 papers). Liam Parker collaborates with scholars based in United States, Canada and Switzerland. Liam Parker's co-authors include T. S. Bunch, Prakash Panangaden, Shirley Ho, Michael Eickenberg, Bruno Régaldo-Saint Blancard, ChangHoon Hahn, Elena Massara, Azadeh Moradinezhad Dizgah, Pablo Lemos and Chirag Modi and has published in prestigious journals such as Physical Review Letters, Monthly Notices of the Royal Astronomical Society and American Journal of Physics.

In The Last Decade

Liam Parker

9 papers receiving 707 citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Particle Creation in Expanding Universes

1968 565 citations Liam Parker Physical Review Letters profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Liam Parker United States	8	634	453	222	170	31	11	740
Roman V. Buniy United States	13	354 0.6×	370 0.8×	85 0.4×	98 0.6×	23 0.7×	32	543
J. P. Zibin Canada	11	379 0.6×	188 0.4×	120 0.5×	110 0.6×	30 1.0×	17	520
Sung-Won Kim South Korea	15	790 1.2×	711 1.6×	87 0.4×	260 1.5×	43 1.4×	45	840
N. Riazi Iran	17	933 1.5×	797 1.8×	156 0.7×	250 1.5×	94 3.0×	81	1.0k
Daniel Grin United States	20	1.3k 2.1×	1.1k 2.5×	123 0.6×	67 0.4×	53 1.7×	38	1.4k
Mathias Garny Germany	18	752 1.2×	825 1.8×	80 0.4×	62 0.4×	6 0.2×	43	1.0k
Donald Salisbury United States	9	490 0.8×	321 0.7×	129 0.6×	330 1.9×	31 1.0×	35	612
Esteban Roulet Argentina	26	1.0k 1.6×	2.1k 4.6×	56 0.3×	48 0.3×	30 1.0×	75	2.3k
Joël Bergé France	10	291 0.5×	174 0.4×	94 0.4×	51 0.3×	34 1.1×	27	384
Emory F. Bunn United States	16	1.2k 2.0×	729 1.6×	38 0.2×	123 0.7×	124 4.0×	42	1.3k

Countries citing papers authored by Liam Parker

Since Specialization

Citations

This map shows the geographic impact of Liam Parker's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Liam Parker with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Liam Parker more than expected).

Fields of papers citing papers by Liam Parker

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Liam Parker. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Liam Parker. The network helps show where Liam Parker may publish in the future.

Co-authorship network of co-authors of Liam Parker

This figure shows the co-authorship network connecting the top 25 collaborators of Liam Parker. A scholar is included among the top collaborators of Liam Parker based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Liam Parker. Liam Parker is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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11 of 11 papers shown

1.

Parker, Liam, François Lanusse, Siavash Golkar, et al.. (2024). AstroCLIP: a cross-modal foundation model for galaxies. Monthly Notices of the Royal Astronomical Society. 531(4). 4990–5011. 19 indexed citations

2.

Hahn, ChangHoon, Pablo Lemos, Liam Parker, et al.. (2024). Cosmological constraints from non-Gaussian and nonlinear galaxy clustering using the SimBIG inference framework. Nature Astronomy. 8(11). 1457–1467. 11 indexed citations

3.

Blancard, Bruno Régaldo-Saint, ChangHoon Hahn, Shirley Ho, et al.. (2024). Galaxy clustering analysis with SimBIG and the wavelet scattering transform. Physical review. D. 109(8). 21 indexed citations

4.

Hahn, ChangHoon, Michael Eickenberg, Shirley Ho, et al.. (2024). Cosmological constraints from the nonlinear galaxy bispectrum. Physical review. D. 109(8). 18 indexed citations

5.

Lemos, Pablo, Liam Parker, ChangHoon Hahn, et al.. (2024). Field-level simulation-based inference of galaxy clustering with convolutional neural networks. Physical review. D. 109(8). 26 indexed citations

6.

Hou, Jiamin, Azadeh Moradinezhad Dizgah, ChangHoon Hahn, et al.. (2024). Cosmological constraints from the redshift-space galaxy skew spectra. Physical review. D. 109(10). 17 indexed citations

7.

Parker, Liam. (1984). Some Cosmological Aspects of Quantum Gravity. 89.

8.

Parker, Liam. (1982). Particle Creation by the Expansion of the Universe. 7. 201–239.

9.

Bunch, T. S., Prakash Panangaden, & Liam Parker. (1980). On renormalisation of λϕ⁴field theory in curved space-time. I. Journal of Physics A Mathematical and General. 13(3). 901–918. 62 indexed citations

10.

Parker, Liam. (1969). Motion in a Schwarzschild Field II. Deflection of Light. American Journal of Physics. 37(3). 313–314. 1 indexed citations

11.

Parker, Liam. (1968). Particle Creation in Expanding Universes. Physical Review Letters. 21(8). 562–564. 565 indexed citations breakdown →

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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