K Blum

5.5k total citations · 3 hit papers
74 papers, 3.0k citations indexed

About

K Blum is a scholar working on Atomic and Molecular Physics, and Optics, Surfaces, Coatings and Films and Radiation. According to data from OpenAlex, K Blum has authored 74 papers receiving a total of 3.0k indexed citations (citations by other indexed papers that have themselves been cited), including 63 papers in Atomic and Molecular Physics, and Optics, 18 papers in Surfaces, Coatings and Films and 12 papers in Radiation. Recurrent topics in K Blum's work include Atomic and Molecular Physics (47 papers), Advanced Chemical Physics Studies (34 papers) and Electron and X-Ray Spectroscopy Techniques (18 papers). K Blum is often cited by papers focused on Atomic and Molecular Physics (47 papers), Advanced Chemical Physics Studies (34 papers) and Electron and X-Ray Spectroscopy Techniques (18 papers). K Blum collaborates with scholars based in Germany, United Kingdom and Romania. K Blum's co-authors include Hans Kleinpoppen, Klaus Bartschat, B. Lohmann, G F Hanne, J. Keßler, David G. Thompson, U. Kleiman, P G Burke, H. J. Beyer and Daniel C. Thompson and has published in prestigious journals such as Physical Review Letters, The Journal of Chemical Physics and Physics Reports.

In The Last Decade

K Blum

71 papers receiving 2.9k citations

Hit Papers

Density Matrix Theory and Applications 1981 2026 1996 2011 1981 1996 2012 250 500 750
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. Density Matrix Theory and Applications
    1981 794 citations K Blum profile →
  2. Density Matrix Theory and Applications
    1996 512 citations K Blum profile →
  3. Density Matrix Theory and Applications
    2012 407 citations K Blum DIAL (Catholic University of Leuven) profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
K Blum Germany 20 2.7k 512 437 369 314 74 3.0k
Hans Kleinpoppen United Kingdom 31 2.9k 1.1× 1.2k 2.3× 512 1.2× 124 0.3× 172 0.5× 135 3.4k
C. O. Reinhold United States 32 2.9k 1.1× 687 1.3× 616 1.4× 94 0.3× 274 0.9× 176 3.3k
D. S. Elliott United States 26 2.4k 0.9× 203 0.4× 637 1.5× 255 0.7× 369 1.2× 92 2.8k
H. R. Sadeghpour United States 33 4.3k 1.6× 168 0.3× 795 1.8× 447 1.2× 172 0.5× 161 4.7k
S. Geltman United States 32 3.1k 1.2× 439 0.9× 776 1.8× 63 0.2× 414 1.3× 94 3.6k
Jamal Berakdar Germany 35 4.5k 1.7× 470 0.9× 536 1.2× 304 0.8× 772 2.5× 379 5.2k
F. Robicheaux United States 37 5.2k 1.9× 463 0.9× 1.3k 2.9× 413 1.1× 394 1.3× 281 5.4k
F. B. Dunning United States 37 4.4k 1.7× 150 0.3× 1.4k 3.2× 207 0.6× 395 1.3× 240 4.8k
J. Cooper United States 36 3.3k 1.2× 206 0.4× 1.6k 3.5× 243 0.7× 558 1.8× 145 4.0k
A. Surzhykov Germany 32 3.0k 1.1× 1.1k 2.2× 373 0.9× 141 0.4× 197 0.6× 244 3.6k

Countries citing papers authored by K Blum

Since Specialization
Citations

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

Fields of papers citing papers by K Blum

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of K Blum

This figure shows the co-authorship network connecting the top 25 collaborators of K Blum. A scholar is included among the top collaborators of K Blum 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 K Blum. K Blum 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.
Blum, K & B. Lohmann. (2016). Entanglement and Bell Correlation in Electron-Exchange Collisions. Physical Review Letters. 116(3). 33201–33201. 6 indexed citations
2.
Blum, K. (2012). Density Matrix Theory and Applications. DIAL (Catholic University of Leuven). 407 indexed citations breakdown →
3.
Blum, K & Hans Kleinpoppen. (2009). Coherent and incoherent excitation of atoms by electron impact. International Journal of Quantum Chemistry. 10(S10). 231–238.
4.
Kleiman, U., et al.. (1999). Spin-resolved Auger processes using arbitrarily polarized Synchrotron radiation. Journal of Physics B Atomic Molecular and Optical Physics. 32(16). 4129–4129. 4 indexed citations
5.
Thompson, David G., et al.. (1998). Chiral effects in electron scattering by molecules using a continuum multiple scattering method. Journal of Physics B Atomic Molecular and Optical Physics. 31(17). 4029–4058. 11 indexed citations
6.
Blum, K, et al.. (1997). Angular distribution of Auger electrons emitted by polyatomic molecules. Journal of Physics B Atomic Molecular and Optical Physics. 30(3). 633–646. 5 indexed citations
7.
Srivastava, Rajesh, K Blum, R P McEachran, & A D Stauffer. (1996). Excitation of the states of mercury by polarized electrons. Journal of Physics B Atomic Molecular and Optical Physics. 29(15). 3513–3527. 7 indexed citations
8.
Blum, K, et al.. (1993). Rotationally resolved excitation of diatomic molecules by electron impact. Journal of Physics B Atomic Molecular and Optical Physics. 26(20). 3611–3623. 9 indexed citations
9.
Thompson, Daniel C., et al.. (1990). Attenuation of longitudinally polarized electron beams by chiral molecules. Journal of Physics B Atomic Molecular and Optical Physics. 23(17). 3031–3040. 18 indexed citations
10.
Blum, K. (1990). Chiral effects in elastic electron scattering from diatomic oriented molecules. Journal of Physics B Atomic Molecular and Optical Physics. 23(12). L253–L257. 3 indexed citations
11.
Blum, K, et al.. (1988). On the Nuclear Charge Dependence of Auger Neutralisation at Surfaces. physica status solidi (b). 146(2).
12.
Blum, K, et al.. (1986). Angular distribution and polarisation of Auger electrons. Journal of Physics B Atomic and Molecular Physics. 19(22). 3815–3825. 49 indexed citations
13.
Bartschat, Klaus, M. P. Scott, K Blum, & P G Burke. (1984). Calculation of Stokes' parameters for inelastic electron-mercury scattering. Journal of Physics B Atomic and Molecular Physics. 17(2). 269–277. 26 indexed citations
14.
Warner, R. E., K Blum, D.L. Friesel, et al.. (1983). Multibody final states of the 6Li + 6Li reaction AT 97 MeV. Nuclear Physics A. 401(3). 521–530. 4 indexed citations
15.
Blum, K & Hans Kleinpoppen. (1983). Angular correlation studies of heavy-particle impact excitation of atoms. Physics Reports. 96(5). 251–316. 19 indexed citations
16.
Bartschat, Klaus, et al.. (1983). Selective valence electron transfer in alkali atom-alkali ion collisions. The European Physical Journal A. 314(3). 257–266. 2 indexed citations
17.
Blum, K, E. Fitchard, & Hans Kleinpoppen. (1978). Coherent excitation of then=3 level of hydrogen in a field free region. The European Physical Journal A. 287(2). 137–142. 16 indexed citations
18.
Blum, K & Hans Kleinpoppen. (1977). Even-odd parity coherence effects in electron-hydrogen scattering. Journal of Physics B Atomic and Molecular Physics. 10(16). 3283–3295. 11 indexed citations
19.
Blum, K & P G Burke. (1975). Phaseshifts and differential cross sections for elastic electron-neon scattering. Journal of Physics B Atomic and Molecular Physics. 8(16). L410–L413. 13 indexed citations
20.
Blum, K & Hans Kleinpoppen. (1975). Some remarks on the theory of coincidence experiments. Journal of Physics B Atomic and Molecular Physics. 8(6). 922–925. 28 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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