J. Schirmer

13.5k total citations · 4 hit papers
146 papers, 10.7k citations indexed

About

J. Schirmer is a scholar working on Atomic and Molecular Physics, and Optics, Physical and Theoretical Chemistry and Spectroscopy. According to data from OpenAlex, J. Schirmer has authored 146 papers receiving a total of 10.7k indexed citations (citations by other indexed papers that have themselves been cited), including 117 papers in Atomic and Molecular Physics, and Optics, 30 papers in Physical and Theoretical Chemistry and 28 papers in Spectroscopy. Recurrent topics in J. Schirmer's work include Advanced Chemical Physics Studies (113 papers), Spectroscopy and Quantum Chemical Studies (38 papers) and Atomic and Molecular Physics (35 papers). J. Schirmer is often cited by papers focused on Advanced Chemical Physics Studies (113 papers), Spectroscopy and Quantum Chemical Studies (38 papers) and Atomic and Molecular Physics (35 papers). J. Schirmer collaborates with scholars based in Germany, Russia and United Kingdom. J. Schirmer's co-authors include Lorenz S. Cederbaum, А. Б. Трофимов, W. von Niessen, Wolfgang Domcke, Olaf Walter, G. Angonoa, Andreas Barth, Francesco Tarantelli, the ASDEX Upgrade Team and Antonio Sgamellotti and has published in prestigious journals such as Physical Review Letters, The Journal of Chemical Physics and Physical Review A.

In The Last Decade

J. Schirmer

144 papers receiving 10.5k citations

Hit Papers

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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.

Computational methods for the one-particle green's function

1984 1.0k citations W. von Niessen, J. Schirmer et al. profile →
Beyond the random-phase approximation: A new approximation scheme for the polarization propagator

1982 918 citations J. Schirmer Physical review. A, General physics profile →
New approach to the one-particle Green's function for finite Fermi systems

1983 637 citations J. Schirmer, Lorenz S. Cederbaum et al. Physical review. A, General physics profile →
An efficient polarization propagator approach to valence electron excitation spectra

1995 485 citations А. Б. Трофимов, J. Schirmer Journal of Physics B Atomic Molecular and Optical Physics profile →

Peers

Countries citing papers authored by J. Schirmer

Since Specialization

Citations

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

Fields of papers citing papers by J. Schirmer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of J. Schirmer

This figure shows the co-authorship network connecting the top 25 collaborators of J. Schirmer. A scholar is included among the top collaborators of J. Schirmer 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 J. Schirmer. J. Schirmer 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

#	Work	Indexed citations
1	Review of the foundations of time-dependent density-functional theory (TDDFT) 2025 ·Physical Chemistry Chemical Physics ·J. Schirmer	6
2	Many-Body Methods for Atoms, Molecules and Clusters 2018 ·J. Schirmer	48
3	Ionization of pyridine: Interplay of orbital relaxation and electron correlation 2017 ·The Journal of Chemical Physics ·А. Б. Трофимов, D.M.P. Holland, Ivan Powis, (unknown), A.W. Potts, Linnéa Karlsson, Е. В. Громов, (unknown), J. Schirmer	30
4	Modifying the variational principle in the action-integral-functional derivation of time-dependent density-functional theory 2010 ·Physical Review A ·J. Schirmer	4
5	Reply to “Comment on ‘Critique of the foundations of time-dependent density-functional theory’ ” 2008 ·Physical Review A ·J. Schirmer, (unknown)	26
6	Photoelectron spectra of the nucleobases cytosine, thymine and adenine 2005 ·Journal of Physics B Atomic Molecular and Optical Physics ·А. Б. Трофимов, J. Schirmer, В. Б. Кобычев, A.W. Potts, D.M.P. Holland, L. J. E. Karlsson	121
7	An experimental and theoretical study of the photoelectron spectrum of hydrogen selenide 2005 ·Chemical Physics ·Ivan Powis, J. D. Thrower, А. Б. Трофимов, (unknown), J. Schirmer, A.W. Potts, D.M.P. Holland, (unknown), Leif Karlsson	5
8	Large clostridial cytotoxins: cellular biology of Rho/Ras-glucosylating toxins 2004 ·Biochimica et Biophysica Acta (BBA) - General Subjects ·J. Schirmer	83
9	An intermediate state representation approach to K-shell ionization in molecules. II. Computational tests 2003 ·The Journal of Chemical Physics ·(unknown), J. Schirmer, Horst Köppel	39
10	Theoretical study ofK-shell excitations in formaldehyde 2001 ·Physical Review A ·А. Б. Трофимов, (unknown), Е. В. Громов, Horst Köppel, J. Schirmer	18
11	An experimental and theoretical study of the valence shell photoelectron spectra of thiophene, 2-chlorothiophene and 3-chlorothiophene 2001 ·Chemical Physics ·А. Б. Трофимов, J. Schirmer, D.M.P. Holland, Leif Karlsson, R. Maripuu, Kai Siegbahn, A.W. Potts	41
12	Polarization propagator study of electronic excitation in key heterocyclic molecules I. Pyrrole 1997 ·Chemical Physics ·А. Б. Трофимов, J. Schirmer	66
13	Closed-form intermediate representations of many-body propagators and resolvent matrices 1991 ·Physical Review A ·J. Schirmer	186
14	On the core-hole photoelectron satellites in N2 and CO 1987 ·Zeitschrift für Physik D Atoms Molecules and Clusters ·J. Schirmer, G. Angonoa, Lorenz S. Cederbaum	13
15	Beyond the random-phase approximation: A new approximation scheme for the polarization propagator breakdown → 1982 ·Physical review. A, General physics ·J. Schirmer	918
16	Green's-function calculations on the valence ionization spectra of cyclopropene, diazirine, dioxiran and thiiran 1981 ·Journal of the Chemical Society Faraday Transactions 2 Molecular and Chemical Physics ·W. von Niessen, W.P. Kraemer, J. Schirmer	3
17	Many-body theory of core holes 1980 ·Physical review. A, General physics ·Lorenz S. Cederbaum, Wolfgang Domcke, J. Schirmer	237
18	Break-down of the molecular-orbital picture of ionization: CS, PN and P₂ 1978 ·Journal of Physics B Atomic and Molecular Physics ·J. Schirmer, Wolfgang Domcke, Lorenz S. Cederbaum, W. von Niessen	72
19	Complete breakdown of the quasiparticle picture for inner-valence electrons: Hydrogen cyanide and formic acid 1978 ·Chemical Physics Letters ·J. Schirmer, Lorenz S. Cederbaum, Wolfgang Domcke, W. von Niessen	26
20	Simple scheme for determining multiplet ratios in ionization and electron-attachment processes 1977 ·Physical review. A, General physics ·J. Schirmer, Lorenz S. Cederbaum	2

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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