Harald Friedrich

2.5k total citations · 1 hit paper
50 papers, 1.7k citations indexed

About

Harald Friedrich is a scholar working on Atomic and Molecular Physics, and Optics, Statistical and Nonlinear Physics and Astronomy and Astrophysics. According to data from OpenAlex, Harald Friedrich has authored 50 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 39 papers in Atomic and Molecular Physics, and Optics, 13 papers in Statistical and Nonlinear Physics and 2 papers in Astronomy and Astrophysics. Recurrent topics in Harald Friedrich's work include Cold Atom Physics and Bose-Einstein Condensates (30 papers), Quantum Electrodynamics and Casimir Effect (16 papers) and Quantum, superfluid, helium dynamics (14 papers). Harald Friedrich is often cited by papers focused on Cold Atom Physics and Bose-Einstein Condensates (30 papers), Quantum Electrodynamics and Casimir Effect (16 papers) and Quantum, superfluid, helium dynamics (14 papers). Harald Friedrich collaborates with scholars based in Germany, Australia and Austria. Harald Friedrich's co-authors include Johannes Trost, David A. Harmin, Javier Madroñero, Michael Moritz, Christopher Eltschka, Bruno Eckhardt, Tim Müller, Alexander Kaiser, Gerhard Rempe and B. J. Verhaar and has published in prestigious journals such as Physical Review Letters, The Journal of Chemical Physics and Physics Reports.

In The Last Decade

Harald Friedrich

49 papers receiving 1.7k citations

Hit Papers

The hydrogen atom in a uniform magnetic field — An exampl... 1989 2026 2001 2013 1989 100 200 300 400 500
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. The hydrogen atom in a uniform magnetic field — An example of chaos
    1989 504 citations Harald Friedrich et al. Physics Reports profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Harald Friedrich Germany 18 1.5k 681 206 182 81 50 1.7k
Alexander V. Turbiner Mexico 22 1.6k 1.1× 1.2k 1.8× 253 1.2× 124 0.7× 47 0.6× 120 2.1k
David Farrelly United States 26 1.4k 1.0× 1.1k 1.6× 101 0.5× 261 1.4× 40 0.5× 107 1.9k
R. Guardiola Spain 19 1.3k 0.9× 420 0.6× 301 1.5× 114 0.6× 37 0.5× 88 1.5k
Akira Inomata United States 18 1.1k 0.8× 708 1.0× 238 1.2× 63 0.3× 121 1.5× 71 1.3k
V. Grecchi Italy 19 1.1k 0.7× 666 1.0× 134 0.7× 51 0.3× 25 0.3× 73 1.4k
T. P. Grozdanov Serbia 18 1.2k 0.8× 238 0.3× 110 0.5× 417 2.3× 25 0.3× 88 1.3k
H. J. W. Müller‐Kirsten Germany 21 767 0.5× 444 0.7× 436 2.1× 111 0.6× 96 1.2× 134 1.4k
J. E. Bayfield United States 24 1.6k 1.1× 534 0.8× 160 0.8× 388 2.1× 47 0.6× 35 1.8k
Lauro Tomio Brazil 30 2.2k 1.5× 604 0.9× 1.1k 5.2× 110 0.6× 94 1.2× 190 2.9k
A. E. Kaplan United States 23 1.5k 1.0× 589 0.9× 410 2.0× 64 0.4× 37 0.5× 74 1.7k

Countries citing papers authored by Harald Friedrich

Since Specialization
Citations

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

Fields of papers citing papers by Harald Friedrich

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Harald Friedrich

This figure shows the co-authorship network connecting the top 25 collaborators of Harald Friedrich. A scholar is included among the top collaborators of Harald Friedrich 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 Harald Friedrich. Harald Friedrich 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.
Friedrich, Harald, et al.. (2013). Considerations on Hund's first rule in a planar two-electron quantum dot. Physical Review A. 87(4). 13 indexed citations
2.
Kaiser, Alexander, Tim Müller, & Harald Friedrich. (2012). Quantization rule for highly excited vibrational states of H. Molecular Physics. 111(7). 878–887. 2 indexed citations
3.
Müller, Tim & Harald Friedrich. (2011). Near-threshold quantization for potentials with inverse-cube tails. Physical Review A. 83(2). 10 indexed citations
4.
Fink, Martin, et al.. (2010). s-wave scattering of a polarizable atom by an absorbing nanowire. Physical Review A. 81(6). 4 indexed citations
5.
Fink, Martin, et al.. (2009). Smoothness properties of the quantum-mechanical and WKB phase shifts for two-dimensional scattering. Physical Review A. 80(2). 2 indexed citations
6.
Friedrich, Harald, et al.. (2008). Near-threshold quantization and scattering lengths. Physical Review A. 77(1). 8 indexed citations
7.
Friedrich, Harald, et al.. (2008). Quantization function for deep potentials with attractive tails. Physical Review A. 78(2). 15 indexed citations
8.
Friedrich, Harald, et al.. (2007). Scattering of ultracold atoms by absorbing nanospheres. Physical Review A. 75(4). 9 indexed citations
9.
Friedrich, Harald, et al.. (2006). Effective-range theory for quantum reflection amplitudes. Physical Review A. 74(6). 29 indexed citations
10.
Dürr, Stephan, Thomas Volz, N. Syassen, et al.. (2005). Dissociation of Feshbach molecules into different partial waves. Physical Review A. 72(5). 19 indexed citations
11.
Friedrich, Harald, et al.. (2005). Realistic model for a quantum reflection trap. Physics Letters A. 349(1-4). 230–235. 15 indexed citations
12.
Friedrich, Harald. (2004). Quantum reflection shields ultracold atoms. Physics World. 17(8). 20–21. 2 indexed citations
13.
Friedrich, Harald & Johannes Trost. (2004). Working with WKB waves far from the semiclassical limit. Physics Reports. 397(6). 359–449. 100 indexed citations
14.
Friedrich, Harald, et al.. (2004). Quantum reflection times and space shifts for Casimir–van der Waals potential tails. Physical Review A. 70(3). 22 indexed citations
15.
Friedrich, Harald, et al.. (2004). Quantum Reflection Times for Attractive Potential Tails. Physical Review Letters. 92(10). 103202–103202. 26 indexed citations
16.
Friedrich, Harald, et al.. (2002). Quantum reflection by Casimir–van der Waals potential tails. Physical Review A. 65(3). 126 indexed citations
17.
Eltschka, Christopher, et al.. (2001). Near-threshold quantization and level densities for potential wells with weak inverse-square tails. Physical Review A. 64(2). 5 indexed citations
18.
Moritz, Michael & Harald Friedrich. (1998). Scattering by a Coulomb field in two dimensions. American Journal of Physics. 66(4). 274–274. 7 indexed citations
19.
Friedrich, Harald. (1994). Theoretische Atomphysik. 1 indexed citations
20.
Friedrich, Harald. (1992). Paths to chaos. Physics World. 5(4). 32–37. 1 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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