Thomas E. O’Brien

6.2k total citations · 1 hit paper
42 papers, 1.6k citations indexed

About

Thomas E. O’Brien is a scholar working on Artificial Intelligence, Atomic and Molecular Physics, and Optics and Materials Chemistry. According to data from OpenAlex, Thomas E. O’Brien has authored 42 papers receiving a total of 1.6k indexed citations (citations by other indexed papers that have themselves been cited), including 27 papers in Artificial Intelligence, 26 papers in Atomic and Molecular Physics, and Optics and 5 papers in Materials Chemistry. Recurrent topics in Thomas E. O’Brien's work include Quantum Computing Algorithms and Architecture (27 papers), Quantum Information and Cryptography (21 papers) and Quantum and electron transport phenomena (18 papers). Thomas E. O’Brien is often cited by papers focused on Quantum Computing Algorithms and Architecture (27 papers), Quantum Information and Cryptography (21 papers) and Quantum and electron transport phenomena (18 papers). Thomas E. O’Brien collaborates with scholars based in Netherlands, United States and United Kingdom. Thomas E. O’Brien's co-authors include C. W. J. Beenakker, Brian Tarasinski, Xavier Bonet-Monroig, M. Diez, Ramiro Sagastizabal, L. DiCarlo, Meenakshi Singh, Ryan Babbush, Barbara M. Terhal and William J. Huggins and has published in prestigious journals such as Physical Review Letters, Nature Communications and The Journal of Chemical Physics.

In The Last Decade

Thomas E. O’Brien

39 papers receiving 1.5k 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.

Quantum error mitigation

2023 260 citations Zhenyu Cai, Ryan Babbush et al. Reviews of Modern Physics profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Thomas E. O’Brien Netherlands	22	1.1k	977	212	186	117	42	1.6k
R. Srikanth India	18	937 0.9×	806 0.8×	11 0.1×	106 0.6×	21 0.2×	101	1.3k
Xiaobo Zhu China	19	1.2k 1.1×	1.4k 1.5×	201 0.9×	66 0.4×	154 1.3×	38	1.7k
Philip Krantz Sweden	15	1.3k 1.2×	1.4k 1.4×	120 0.6×	92 0.5×	313 2.7×	25	1.9k
Alessandro Bruno Netherlands	15	1.0k 1.0×	1.2k 1.2×	73 0.3×	105 0.6×	220 1.9×	41	1.5k
Dawei Lu China	22	896 0.8×	926 0.9×	83 0.4×	69 0.4×	72 0.6×	62	1.2k
Giacomo Torlai Canada	12	711 0.7×	721 0.7×	111 0.5×	70 0.4×	53 0.5×	16	1.1k
Nissim Ofek United States	13	1.4k 1.3×	1.8k 1.9×	134 0.6×	53 0.3×	331 2.8×	16	2.1k
Juha J. Vartiainen Finland	13	740 0.7×	571 0.6×	47 0.2×	258 1.4×	171 1.5×	20	1.1k
Morten Kjærgaard Denmark	23	1.4k 1.3×	2.6k 2.7×	583 2.8×	89 0.5×	376 3.2×	38	3.1k
Caroline Figgatt United States	13	1.3k 1.2×	1.2k 1.3×	36 0.2×	172 0.9×	135 1.2×	18	1.7k

Countries citing papers authored by Thomas E. O’Brien

Since Specialization

Citations

This map shows the geographic impact of Thomas E. O’Brien'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 Thomas E. O’Brien with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Thomas E. O’Brien more than expected).

Fields of papers citing papers by Thomas E. O’Brien

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Thomas E. O’Brien. 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 Thomas E. O’Brien. The network helps show where Thomas E. O’Brien may publish in the future.

Co-authorship network of co-authors of Thomas E. O’Brien

This figure shows the co-authorship network connecting the top 25 collaborators of Thomas E. O’Brien. A scholar is included among the top collaborators of Thomas E. O’Brien 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 Thomas E. O’Brien. Thomas E. O’Brien is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Scheurer, Maximilian, et al.. (2025). Error Mitigation and Circuit Division for Early Fault-Tolerant Quantum Phase Estimation. PRX Quantum. 6(4).

Somma, Rolando D., Robbie King, Robin Kothari, Thomas E. O’Brien, & Ryan Babbush. (2025). Shadow hamiltonian simulation. Nature Communications. 16(1). 2690–2690. 3 indexed citations

O’Brien, Thomas E., et al.. (2023). Optimizing the information extracted by a single qubit measurement. Physical review. A. 108(1). 9 indexed citations

Christianen, Arthur, Vadim Smelyanskiy, Mari Carmen Bañuls, et al.. (2023). Simulating Prethermalization Using Near-Term Quantum Computers. PRX Quantum. 4(3). 11 indexed citations

Bonet-Monroig, Xavier, Hao Wang, Diederick Vermetten, et al.. (2023). Performance comparison of optimization methods on variational quantum algorithms. Physical review. A. 107(3). 56 indexed citations

Cai, Zhenyu, Ryan Babbush, Simon C. Benjamin, et al.. (2023). Quantum error mitigation. Reviews of Modern Physics. 95(4). 260 indexed citations breakdown →

Lao, Lingling, Alexander N. Korotkov, Jiang Zhang, et al.. (2022). Software mitigation of coherent two-qubit gate errors. Quantum Science and Technology. 7(2). 25021–25021. 7 indexed citations

Stanisic, Stasja, Filippo Maria Gambetta, Raul A. Santos, et al.. (2022). Observing ground-state properties of the Fermi-Hubbard model using a scalable algorithm on a quantum computer. Nature Communications. 13(1). 5743–5743. 53 indexed citations

O’Brien, Thomas E., L. B. Ioffe, Yuan Su, et al.. (2022). Quantum Computation of Molecular Structure Using Data from Challenging-To-Classically-Simulate Nuclear Magnetic Resonance Experiments. PRX Quantum. 3(3). 10 indexed citations

10.

O’Brien, Thomas E., Michael Streif, Nicholas C. Rubin, et al.. (2022). Efficient quantum computation of molecular forces and other energy gradients. Physical Review Research. 4(4). 37 indexed citations

11.

Senjean, Bruno, et al.. (2021). Orbital transformations to reduce the 1-norm of the electronic structure Hamiltonian for quantum computing applications. Physical Review Research. 3(3). 30 indexed citations

12.

McClean, Jarrod R., Nicholas C. Rubin, Joonho Lee, et al.. (2021). What the foundations of quantum computer science teach us about chemistry. The Journal of Chemical Physics. 155(15). 11 indexed citations

13.

Bultink, Cornelis Christiaan, Thomas E. O’Brien, Nandini Muthusubramanian, et al.. (2019). Protecting quantum entanglement from qubit errors and leakage via repetitive parity measurements. arXiv (Cornell University). 3 indexed citations

14.

O’Brien, Thomas E., et al.. (2018). Majorana-Based Fermionic Quantum Computation. Physical Review Letters. 120(22). 220504–220504. 33 indexed citations

15.

Baireuther, Paul, Thomas E. O’Brien, Brian Tarasinski, & C. W. J. Beenakker. (2018). Machine-learning-assisted correction of correlated qubit errors in a topological code. Quantum. 2. 48–48. 76 indexed citations

16.

O’Brien, Thomas E., C. W. J. Beenakker, & İnanç Adagideli. (2017). Superconductivity Provides Access to the Chiral Magnetic Effect of an Unpaired Weyl Cone. Physical Review Letters. 118(20). 207701–207701. 18 indexed citations

17.

O’Brien, Thomas E., M. Diez, & C. W. J. Beenakker. (2016). Magnetic Breakdown and Klein Tunneling in a Type-II Weyl Semimetal. Physical Review Letters. 116(23). 236401–236401. 161 indexed citations

18.

O’Brien, Thomas E., et al.. (1978). Drugs and the Fetus: A Consumer's Guide by Generic and Brand Name. Birth. 5(2). 58–86. 2 indexed citations

19.

Bedford, Robert F. & Thomas E. O’Brien. (1977). Comparison of bovine lung and porcine intestinal heparin for arterial thrombosis in man. American Journal of Health-System Pharmacy. 34(9). 936–939. 3 indexed citations

20.

O’Brien, Thomas E.. (1974). Excretion of drugs in human milk. American Journal of Health-System Pharmacy. 31(9). 844–854. 74 indexed citations

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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