Ulf Leonhardt

15.2k total citations · 3 hit papers
160 papers, 10.0k citations indexed

About

Ulf Leonhardt is a scholar working on Atomic and Molecular Physics, and Optics, Artificial Intelligence and Electronic, Optical and Magnetic Materials. According to data from OpenAlex, Ulf Leonhardt has authored 160 papers receiving a total of 10.0k indexed citations (citations by other indexed papers that have themselves been cited), including 130 papers in Atomic and Molecular Physics, and Optics, 34 papers in Artificial Intelligence and 27 papers in Electronic, Optical and Magnetic Materials. Recurrent topics in Ulf Leonhardt's work include Quantum Electrodynamics and Casimir Effect (44 papers), Quantum Mechanics and Applications (33 papers) and Quantum Information and Cryptography (32 papers). Ulf Leonhardt is often cited by papers focused on Quantum Electrodynamics and Casimir Effect (44 papers), Quantum Mechanics and Applications (33 papers) and Quantum Information and Cryptography (32 papers). Ulf Leonhardt collaborates with scholars based in United Kingdom, Germany and Israel. Ulf Leonhardt's co-authors include H. Paul, M. Beck, Tomáš Tyc, T. G. Philbin, P. Piwnicki, Scott Robertson, T. Kiss, Chris Kuklewicz, Friedrich König and Stephen Hill and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

Ulf Leonhardt

157 papers receiving 9.5k citations

Hit Papers

Optical Conformal Mapping 1998 2026 2007 2016 2006 1998 2008 500 1000 1.5k 2.0k 2.5k
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.

  1. Optical Conformal Mapping
    2006 2.9k citations Ulf Leonhardt profile →
  2. Measuring the Quantum State of Light
    1998 717 citations Ulf Leonhardt et al. profile →
  3. Fiber-Optical Analog of the Event Horizon
    2008 457 citations T. G. Philbin, Chris Kuklewicz et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Ulf Leonhardt United Kingdom 44 6.8k 4.0k 2.4k 2.3k 1.4k 160 10.0k
Konstantin Y. Bliokh Japan 50 11.1k 1.6× 2.7k 0.7× 489 0.2× 1.9k 0.8× 4.5k 3.2× 126 12.5k
J. P. Woerdman Netherlands 49 15.5k 2.3× 2.7k 0.7× 808 0.3× 2.0k 0.9× 6.2k 4.5× 281 17.6k
Moshe Tur Israel 55 14.6k 2.2× 2.7k 0.7× 1.6k 0.7× 1.0k 0.4× 5.2k 3.8× 606 19.4k
L. Allen United Kingdom 29 13.7k 2.0× 2.4k 0.6× 876 0.4× 1.6k 0.7× 6.4k 4.7× 40 14.4k
R. J. C. Spreeuw Netherlands 26 9.5k 1.4× 1.5k 0.4× 599 0.3× 1.7k 0.7× 3.3k 2.4× 74 10.1k
Ebrahim Karimi Canada 47 6.6k 1.0× 1.6k 0.4× 548 0.2× 1.9k 0.8× 2.6k 1.9× 187 7.9k
Marco W. Beijersbergen Netherlands 18 10.7k 1.6× 2.1k 0.5× 784 0.3× 1.2k 0.5× 5.1k 3.7× 85 11.7k
Andrew Forbes South Africa 58 10.3k 1.5× 1.8k 0.4× 423 0.2× 2.1k 0.9× 4.4k 3.2× 422 12.5k
A. Lemaı̂tre France 70 17.0k 2.5× 1.7k 0.4× 351 0.1× 3.5k 1.5× 4.3k 3.1× 552 20.1k
E. Wolf United States 52 8.5k 1.2× 516 0.1× 609 0.3× 1.4k 0.6× 4.9k 3.6× 168 11.7k

Countries citing papers authored by Ulf Leonhardt

Since Specialization
Citations

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

Fields of papers citing papers by Ulf Leonhardt

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ulf Leonhardt. 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 Ulf Leonhardt. The network helps show where Ulf Leonhardt may publish in the future.

Co-authorship network of co-authors of Ulf Leonhardt

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

All Works

20 of 20 papers shown
1.
Rotter, Stefan, et al.. (2023). Van der Waals chain: A simple model for Casimir forces in dielectrics. Physical review. B.. 108(23). 1 indexed citations
2.
Leonhardt, Ulf. (2023). Wave correlations and quantum noise in cosmology. Journal of Physics A Mathematical and Theoretical. 56(2). 24001–24001. 2 indexed citations
3.
Bermúdez, David & Ulf Leonhardt. (2018). Resonant Hawking radiation as an instability. Classical and Quantum Gravity. 36(2). 24001–24001. 8 indexed citations
4.
Simpson, William M. & Ulf Leonhardt. (2015). Forces Of The Quantum Vacuum: An Introduction To Casimir Physics. 18 indexed citations
5.
Robertson, Scott & Ulf Leonhardt. (2014). Integral method for the calculation of Hawking radiation in dispersive media. I. Symmetric asymptotics. Physical Review E. 90(5). 53302–53302. 8 indexed citations
6.
Gui, Yun, C. K. Ong, Tom, & Ulf Leonhardt. (2013). An omnidirectional retroreector based on the transmutation of dielectric singularities. arXiv (Cornell University). 1 indexed citations
7.
Rubino, E., Antonio Lotti, F. Belgiorno, et al.. (2012). Soliton-induced relativistic-scattering and amplification. Scientific Reports. 2(1). 932–932. 34 indexed citations
8.
García‐Meca, Carlos, Alejandro Martı́nez, & Ulf Leonhardt. (2011). Engineering antenna radiation patterns via quasi-conformal mappings. Optics Express. 19(24). 23743–23743. 31 indexed citations
9.
Leonhardt, Ulf. (2011). To invisibility and beyond. Nature. 471(7338). 292–293. 17 indexed citations
10.
Hill, Stephen, Chris Kuklewicz, Ulf Leonhardt, & Friedrich König. (2009). Evolution of light trapped by a soliton in a microstructured fiber. Optics Express. 17(16). 13588–13588. 33 indexed citations
11.
Gui, Yun, C. K. Ong, Tomáš Tyc, & Ulf Leonhardt. (2009). An omnidirectional retroreflector based on the transmutation of dielectric singularities. Nature Materials. 8(8). 639–642. 164 indexed citations
12.
Leonhardt, Ulf, et al.. (2008). Mathematical model of perfect invisibility devices. IPSJ SIG Notes. 2008(85). 99–101. 2 indexed citations
13.
Kuklewicz, Christopher E., T. G. Philbin, Scott Robertson, et al.. (2008). Frequency shifts at the fiber-optical event horizon. 1–2.
14.
Leonhardt, Ulf. (2006). Energy-momentum balance in quantum dielectrics (5 pages). Physical Review A. 73(3). 32108. 1 indexed citations
15.
Hendi, Awatif A., Julian Henn, & Ulf Leonhardt. (2006). Ambiguities in the Scattering Tomography for Central Potentials. Physical Review Letters. 97(7). 73902–73902. 53 indexed citations
16.
Giovanazzi, S., et al.. (2004). Conditions for one-dimensional supersonic flow of quantum gases. Physical Review A. 70(6). 34 indexed citations
17.
Leonhardt, Ulf & Arnold Neumaier. (2003). Explicit effective Hamiltonians for linear quantum-optical networks. arXiv (Cornell University). 3 indexed citations
18.
Leonhardt, Ulf. (1998). Supporting Location-Awareness in Open Distributed Systems. Medical Entomology and Zoology. 104 indexed citations
19.
Kiss, T., Ulrike Herzog, & Ulf Leonhardt. (1998). Reply to “Loss-error compensation in quantum-state measurements”. Physical Review A. 57(4). 3134–3135. 10 indexed citations
20.
Leonhardt, Ulf. (1997). Quantum and classical tomography with equidistant reference angles. Journal of Modern Optics. 44(11-12). 2271–2280. 9 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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