Heiko Appel

4.2k citations

49 papers · 2.9k indexed · 2 hit papers · h-index 22

Impact in

Atomic and Molecular Physics, and Optics top 1%
- Strong Light-Matter Interactions
- Spectroscopy and Quantum Chemical Studies
- Advanced Chemical Physics Studies
- Quantum and electron transport phenomena
- Quantum Electrodynamics and Casimir Effect
Physical and Theoretical Chemistry top 2%

Papers in

Atomic and Molecular Physics, and Optics 45
- Spectroscopy and Quantum Chemical Studies 17
- Strong Light-Matter Interactions 15
- Advanced Chemical Physics Studies 15
- Cold Atom Physics and Bose-Einstein Condensates 10
- Quantum and electron transport phenomena 10
- Quantum Electrodynamics and Casimir Effect 6
Artificial Intelligence 11
- Quantum Information and Cryptography 11

Co-authors: Ángel Rubio Michael Ruggenthaler Johannes Flick E. K. U. Gross Micael J. T. Oliveira Miguel A. L. Marques Alberto Castro Florian Lorenzen
Journals: Physical Review Letters (5 papers)Journal of Chemical Theory and Computation (5 papers)Physical Review A (3 papers)The Journal of Chemical Physics (3 papers)Physical review. B. (3 papers)
Partner nations: Germany United States Spain

In The Last Decade

Heiko Appel

47 papers receiving 2.9k citations

Hit Papers

align trajectories log scale

Atoms and molecules in cavities, from weak to strong coupling in quantum-electrodynamics (QED) chemistry 2017 · 390 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2017 Proceedings of the National Academy of Sciences
2006 physica status solidi (b)

Peers

Countries citing papers authored by Heiko Appel

Since Specialization

Citations

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

Fields of papers citing papers by Heiko Appel

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network

The 25 scholars most cited alongside Heiko Appel, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Heiko Appel Line = papers co-authored together Heiko Appel links everyone, so they are left out of the graph.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work
1	Full minimal coupling Maxwell-TDDFT: An ab initio framework for light-matter interaction beyond the dipole approximation Physical review. B. ·Franco P. Bonafé, Richard Pierce Peregoy, Sebastian T. Ohlmann, Mark G. Arnett, E.P. Seidel, مجید عزیزیانی, Ángel Rubio, Heiko Appel	2025	6
2	Quantum Electrodynamics in High-Harmonic Generation: Multitrajectory Ehrenfest and Exact Quantum Analysis Journal of Chemical Theory and Computation ·志都南, Ofer Neufeld, Laura Bokenchina, Oren Cohen, Heiko Appel, Ángel Rubio	2024	3
3	Inelastic Light Scattering in the Vicinity of a Single-Atom Quantum Point Contact in a Plasmonic Picocavity ACS Nano ·Katherine Y. L. Lim, Davi Lima Pantoja, Heiko Appel, Ángel Rubio, Martin Wolf, Takashi Kumagai	2023	14
4	Probing many-body effects in harmonic traps with twisted light Physical review. B. ·Johanna I. Fuks, G. F. Quinteiro, Heiko Appel, P. I. Tamborenea	2023	1
5	Time-resolved plasmon-assisted generation of optical-vortex pulses Scientific Reports ·Richard Pierce Peregoy, Franco P. Bonafé, Mark G. Arnett, Sebastian T. Ohlmann, Heiko Appel, Ángel Rubio	2023	3
6	Photoionization and transient Wannier-Stark ladder in silicon: First-principles simulations versus Keldysh theory Physical review. B. ·Thibault J.-Y. Derrien, Nicolas Tancogne-Dejean, В. П. Жуков, Heiko Appel, Ángel Rubio, Nadezhda M. Bulgakova	2021	9
7	Optimal control theory for quantum electrodynamics: an initial state problem MPG.PuRe (Max Planck Society) ·Alberto Castro, Heiko Appel, Ángel Rubio	2019	4
8	Time propagation of the coupled Maxwell and Kohn-Sham equations using the Riemann-Silberstein formalism Physical review. E ·Cody Covington, 七重村岡, К. В. Шалынина, Heiko Appel, K. Varga	2019	4
9	From a quantum-electrodynamical light–matter description to novel spectroscopies Nature Reviews Chemistry ·Michael Ruggenthaler, Nicolas Tancogne-Dejean, Johannes Flick, Heiko Appel, Ángel Rubio	2018	197
10	Cavity Born–Oppenheimer Approximation for Correlated Electron–Nuclear-Photon Systems Journal of Chemical Theory and Computation ·Johannes Flick, Heiko Appel, Michael Ruggenthaler, Ángel Rubio	2017	135
11	Atoms and molecules in cavities, from weak to strong coupling in quantum-electrodynamics (QED) chemistry Proceedings of the National Academy of Sciences ·Johannes Flick, Michael Ruggenthaler, Heiko Appel, Ángel Rubio Hit paper breakdown →	2017	390
12	Optimized Effective Potential for Quantum Electrodynamical Time-Dependent Density Functional Theory Physical Review Letters ·Camilla Pellegrini, Johannes Flick, I. V. Tokatly, Heiko Appel, Ángel Rubio	2015	104
13	Correlated Electron-Nuclear Dynamics with Conditional Wave Functions Physical Review Letters ·Guillermo Albareda, Heiko Appel, Ignacio Franco, Ali Abedi, Ángel Rubio	2014	20
14	Van der Waals interactions in semiconductor solids Bulletin of the American Physical Society ·Guoxu Zhang, Alexandre Tkatchenko, Joachim Paier, Heiko Appel, Matthias Scheffler	2011	1
15	van der Waals Interactions in Ionic and Semiconductor Solids Physical Review Letters ·Guoxu Zhang, Alexandre Tkatchenko, Joachim Paier, Heiko Appel, Matthias Scheffler	2011	138
16	Time-dependent density-functional and reduced density-matrix methods for few electrons: Exact versus adiabatic approximations Chemical Physics ·N. Helbig, Johanna I. Fuks, I. V. Tokatly, Heiko Appel, E. K. U. Gross, Ángel Rubio	2011	29
17	Time-dependent natural orbitals and occupation numbers Max Planck Digital Library ·Heiko Appel, E. K. U. Gross	2010	27
18	XMCD Analysis Beyond Standard Procedures AIP conference proceedings ·Heiko Wende, Andreas Scherz, Clemens Sorg, K. Baberschke, E. K. U. Gross, Heiko Appel, K. Burke, J. Minář, H. Ebert, A. L. Ankudinov, J. J. Rehr	2007	11
19	Measuring the Kernel of Time-Dependent Density Functional Theory with X-Ray Absorption Spectroscopy of3dTransition Metals Physical Review Letters ·Andreas Scherz, E. K. U. Gross, Heiko Appel, Clemens Sorg, K. Baberschke, Heiko Wende, K. Burke	2005	14
20	Excitations in Time-Dependent Density-Functional Theory Physical Review Letters ·Heiko Appel, E. K. U. Gross, K. Burke	2003	146

About Heiko Appel

Heiko Appel is a scholar working on Atomic and Molecular Physics, and Optics, Artificial Intelligence, Spectroscopy, Radiation and Physical and Theoretical Chemistry, having authored 49 papers that have together received 2.9k indexed citations. Recurring topics across this work include Spectroscopy and Quantum Chemical Studies (17 papers), Strong Light-Matter Interactions (15 papers), Advanced Chemical Physics Studies (15 papers), Quantum Information and Cryptography (11 papers), Cold Atom Physics and Bose-Einstein Condensates (10 papers), Quantum and electron transport phenomena (10 papers), Molecular Junctions and Nanostructures (7 papers) and Quantum Electrodynamics and Casimir Effect (6 papers). The work is most often cited by research in Atomic and Molecular Physics, and Optics (2.5k citations), Physical and Theoretical Chemistry (192 citations), Acoustics and Ultrasonics (17 citations), Civil and Structural Engineering (407 citations) and Artificial Intelligence (417 citations). Heiko Appel has collaborated with scholars based in Germany, United States and Spain. Frequent co-authors include Ángel Rubio, Michael Ruggenthaler, Johannes Flick, E. K. U. Gross, Micael J. T. Oliveira, Miguel A. L. Marques, Alberto Castro, Florian Lorenzen, Carlo Andrea Rozzi and Xavier Andrade. Their work appears in journals such as Physical Review Letters, Journal of Chemical Theory and Computation, Physical Review A, The Journal of Chemical Physics and Physical review. B..

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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