James P. Shaffer

5.2k total citations · 1 hit paper
90 papers, 3.8k citations indexed

About

James P. Shaffer is a scholar working on Atomic and Molecular Physics, and Optics, Spectroscopy and Artificial Intelligence. According to data from OpenAlex, James P. Shaffer has authored 90 papers receiving a total of 3.8k indexed citations (citations by other indexed papers that have themselves been cited), including 79 papers in Atomic and Molecular Physics, and Optics, 10 papers in Spectroscopy and 8 papers in Artificial Intelligence. Recurrent topics in James P. Shaffer's work include Cold Atom Physics and Bose-Einstein Condensates (60 papers), Quantum optics and atomic interactions (41 papers) and Atomic and Subatomic Physics Research (33 papers). James P. Shaffer is often cited by papers focused on Cold Atom Physics and Bose-Einstein Condensates (60 papers), Quantum optics and atomic interactions (41 papers) and Atomic and Subatomic Physics Research (33 papers). James P. Shaffer collaborates with scholars based in United States, Germany and Canada. James P. Shaffer's co-authors include Harald Kübler, Arne Schwettmann, Jonathon Sedlacek, Tilman Pfau, Robert Löw, Donald Booth, Albert Stolow, Michael Schmitt, Marek Z. Zgierski and Stefan Lochbrunner and has published in prestigious journals such as Nature, Science and Journal of the American Chemical Society.

In The Last Decade

James P. Shaffer

88 papers receiving 3.6k 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.

Microwave electrometry with Rydberg atoms in a vapour cell using bright atomic resonances

2012 539 citations Jonathon Sedlacek, Arne Schwettmann et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
James P. Shaffer United States	28	3.2k	494	375	345	320	90	3.8k
W. S. Warren United States	32	1.9k 0.6×	1.4k 2.7×	203 0.5×	158 0.5×	102 0.3×	76	3.0k
D. F. Heller United States	23	1.3k 0.4×	577 1.2×	161 0.4×	39 0.1×	321 1.0×	71	1.8k
P. F. Liao Taiwan	34	2.4k 0.7×	509 1.0×	527 1.4×	157 0.5×	97 0.3×	78	4.1k
D. S. Elliott United States	26	2.4k 0.7×	637 1.3×	126 0.3×	255 0.7×	94 0.3×	92	2.8k
J. J. Wynne United States	25	1.7k 0.5×	355 0.7×	426 1.1×	71 0.2×	100 0.3×	53	2.3k
Fernando Moraes Brazil	28	1.8k 0.5×	48 0.1×	459 1.2×	81 0.2×	46 0.1×	149	3.2k
H. Stolz Germany	29	2.2k 0.7×	128 0.3×	1.0k 2.7×	186 0.5×	57 0.2×	186	3.3k
A. I. Ferguson United Kingdom	32	2.6k 0.8×	389 0.8×	152 0.4×	58 0.2×	57 0.2×	177	3.4k
Joachim Brand New Zealand	29	1.7k 0.5×	182 0.4×	489 1.3×	119 0.3×	27 0.1×	93	2.6k
H. Chiba Japan	23	1.3k 0.4×	463 0.9×	135 0.4×	94 0.3×	76 0.2×	74	1.6k

Countries citing papers authored by James P. Shaffer

Since Specialization

Citations

This map shows the geographic impact of James P. Shaffer'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 James P. Shaffer with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites James P. Shaffer more than expected).

Fields of papers citing papers by James P. Shaffer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by James P. Shaffer. 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 James P. Shaffer. The network helps show where James P. Shaffer may publish in the future.

Co-authorship network of co-authors of James P. Shaffer

This figure shows the co-authorship network connecting the top 25 collaborators of James P. Shaffer. A scholar is included among the top collaborators of James P. Shaffer 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 James P. Shaffer. James P. Shaffer 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

Schmidt, Matthias, et al.. (2025). All-Optical Radio-Frequency Phase Detection for Rydberg Atom Sensors Using Oscillatory Dynamics. Physical Review Letters. 135(9). 93602–93602.

Kitching, John, James P. Shaffer, & Dmitry Budker. (2025). Atom-based quantum sensing of electromagnetic fields. Optica. 12(12). 2008–2008. 1 indexed citations

Fey, Christian, Jin Yang, Seth T. Rittenhouse, et al.. (2019). Effective Three-Body Interactions in Cs(6s)−Cs(nd) Rydberg Trimers. Physical Review Letters. 122(10). 103001–103001. 11 indexed citations

Kübler, Harald & James P. Shaffer. (2018). A read-out enhancement for microwave electric field sensing with Rydberg atoms. 10–10. 22 indexed citations

Sheng, Jiteng, et al.. (2016). Strong Coupling of Rydberg Atoms and Surface Phonon Polaritons on Piezoelectric Superlattices. Physical Review Letters. 117(10). 103201–103201. 10 indexed citations

Sedlacek, Jonathon, et al.. (2016). Electric Field Cancellation on Quartz by Rb Adsorbate-Induced Negative Electron Affinity. Physical Review Letters. 116(13). 133201–133201. 35 indexed citations

Fan, Haoquan, Santosh Kumar, Jiteng Sheng, et al.. (2015). Effect of Vapor-Cell Geometry on Rydberg-Atom-Based Measurements of Radio-Frequency Electric Fields. Physical Review Applied. 4(4). 104 indexed citations

Weng, Weihao, et al.. (2015). Cross-sectional atom probe tomography sample preparation for improved analysis of fins on SOI. Ultramicroscopy. 161. 105–109. 11 indexed citations

Tallant, Jonathan, Seth T. Rittenhouse, Donald Booth, H. R. Sadeghpour, & James P. Shaffer. (2012). Observation of Blueshifted Ultralong-RangeCs2Rydberg Molecules. Physical Review Letters. 109(17). 173202–173202. 70 indexed citations

10.

Bendkowsky, Vera, Björn Butscher, J. Nipper, et al.. (2010). Rydberg Trimers and Excited Dimers Bound by Internal Quantum Reflection. Physical Review Letters. 105(16). 163201–163201. 101 indexed citations

11.

Bendkowsky, Vera, Björn Butscher, J. Nipper, et al.. (2009). Observation of ultralong-range Rydberg molecules. Nature. 458(7241). 1005–1008. 298 indexed citations

12.

Schwettmann, Arne, et al.. (2007). Tunable four-pass narrow spectral bandwidth amplifier for use at ∼508 nm. Applied Optics. 46(8). 1310–1310. 7 indexed citations

13.

Schwettmann, Arne, K. Richard Overstreet, Jonathan Tallant, & James P. Shaffer. (2007). Long Range Cs Rydberg Molecules. LWH5–LWH5. 3 indexed citations

14.

Schwettmann, Arne, et al.. (2006). Cold Cs Rydberg-gas interactions. Physical Review A. 74(2). 60 indexed citations

15.

Overstreet, K. Richard, J. Franklin, & James P. Shaffer. (2004). Zeeman effect spectroscopically locked Cs diode laser system for atomic physics. Review of Scientific Instruments. 75(11). 4749–4753. 10 indexed citations

16.

Shaffer, James P., et al.. (1999). Highly Excited States of Ultracold Molecules: Photoassociative Spectroscopy ofNa2. Physical Review Letters. 83(18). 3621–3624. 14 indexed citations

17.

Shaffer, James P., et al.. (1999). Trap loss in a two-species Na-Cs magneto-optical trap: Intramultiplet mixing in heteronuclear ultracold collisions. Physical Review A. 60(5). R3365–R3368. 37 indexed citations

18.

Shaffer, James P., et al.. (1998). The Use of Expandable Metal Stents to Facilitate Extubation in Patients With Large Airway Obstruction. CHEST Journal. 114(5). 1378–1382. 48 indexed citations

19.

Shaffer, James P., et al.. (1997). Photoassociative Spectroscopy Of A Laser-cooled Binary Mixture. Quantum Electronics and Laser Science Conference. 86–87. 1 indexed citations

20.

Shaffer, James P., William J. Barson, Mark Luquette, et al.. (1997). Massive hemoptysis as the presenting manifestation in a child with histoplasmosis shaffer et al. Massive hemoptysis. Pediatric Pulmonology. 24(1). 57–60. 8 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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