Jiřı́ Čı́žek

5.8k total citations · 1 hit paper
51 papers, 3.8k citations indexed

About

Jiřı́ Čı́žek is a scholar working on Atomic and Molecular Physics, and Optics, Spectroscopy and Electrical and Electronic Engineering. According to data from OpenAlex, Jiřı́ Čı́žek has authored 51 papers receiving a total of 3.8k indexed citations (citations by other indexed papers that have themselves been cited), including 34 papers in Atomic and Molecular Physics, and Optics, 9 papers in Spectroscopy and 7 papers in Electrical and Electronic Engineering. Recurrent topics in Jiřı́ Čı́žek's work include Advanced Chemical Physics Studies (27 papers), Spectroscopy and Quantum Chemical Studies (14 papers) and Quantum, superfluid, helium dynamics (7 papers). Jiřı́ Čı́žek is often cited by papers focused on Advanced Chemical Physics Studies (27 papers), Spectroscopy and Quantum Chemical Studies (14 papers) and Quantum, superfluid, helium dynamics (7 papers). Jiřı́ Čı́žek collaborates with scholars based in Canada, Germany and Czechia. Jiřı́ Čı́žek's co-authors include Josef Paldus, Ernst Joachim Weniger, Edward R. Vrscay, Bogumił Jeziorski, Małgorzata Jeziorska, V. S̆pirko, Harris J. Silverstone, J. Ladik, Piotr Piecuch and Sohrab Zarrabian and has published in prestigious journals such as Physical Review Letters, The Journal of Chemical Physics and SHILAP Revista de lepidopterología.

In The Last Decade

Jiřı́ Čı́žek

50 papers receiving 3.7k citations

Hit Papers

On the Correlation Problem in Atomic and Molecular System... 1966 2026 1986 2006 1966 500 1000 1.5k 2.0k
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. On the Correlation Problem in Atomic and Molecular Systems. Calculation of Wavefunction Components in Ursell-Type Expansion Using Quantum-Field Theoretical Methods
    1966 2.4k citations Jiřı́ Čı́žek The Journal of Chemical Physics profile →

Peers

Jiřı́ Čı́žek
William A. Lester United States
Péter R. Śurján Hungary
Dimitri Van Neck Belgium
G. C. Lie United States
Oktay Sǐnanoğlu United States
L. S. Cederbaum Germany
Yngve Öhrn United States
John R. Sabin United States
Osvaldo Goscinski Sweden
Reiner M. Dreizler Germany
William A. Lester United States
Jiřı́ Čı́žek
Citations per year, relative to Jiřı́ Čı́žek Jiřı́ Čı́žek (= 1×) peers William A. Lester

Countries citing papers authored by Jiřı́ Čı́žek

Since Specialization
Citations

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

Fields of papers citing papers by Jiřı́ Čı́žek

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Jiřı́ Čı́žek

This figure shows the co-authorship network connecting the top 25 collaborators of Jiřı́ Čı́žek. A scholar is included among the top collaborators of Jiřı́ Čı́žek 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 Jiřı́ Čı́žek. Jiřı́ Čı́žek 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.
Čı́žek, Jiřı́, et al.. (2018). LATERAL COOLANT FLOW BETWEEN FUEL ASSEMBLIES IN MIXED CORES. SHILAP Revista de lepidopterología. 14. 1–1. 1 indexed citations
2.
Čı́žek, Jiřı́, et al.. (2018). MIXED CORE SUBCHANNEL MODEL FOR SUBCAL AND COUPLING WITH ANDREA. SHILAP Revista de lepidopterología. 19. 1–1. 1 indexed citations
3.
Vlček, J., Štěpán Potocký, Jiřı́ Čı́žek, et al.. (2005). Reactive magnetron sputtering of hard Si–B–C–N films with a high-temperature oxidation resistance. Journal of Vacuum Science & Technology A Vacuum Surfaces and Films. 23(6). 1513–1522. 79 indexed citations
4.
Polák, R. & Jiřı́ Čı́žek. (2001). On the VB adiabatic–diabatic picture of bonding in CO2+. Journal of Molecular Structure THEOCHEM. 547(1-3). 17–26. 4 indexed citations
5.
Čı́žek, Jiřı́. (1999). On The Tauberian constant in the Ikehara theorem. Czechoslovak Mathematical Journal. 49(4). 673–682. 1 indexed citations
6.
Förner, Wolfgang, et al.. (1997). Numerical application of the coupled cluster theory with localized orbitals to polymers. IV. Band structure corrections in model systems and polyacetylene. The Journal of Chemical Physics. 106(24). 10248–10264. 45 indexed citations
7.
Čı́žek, Jiřı́ & Jiří Jelínek. (1996). A Tauberian theorem for distributions. Commentationes Mathematicae Universitatis Carolinae. 37(3). 479–488. 1 indexed citations
8.
9.
Čı́žek, Jiřı́, Ernst Joachim Weniger, Paul Bracken, & V. S̆pirko. (1996). Effective characteristic polynomials and two-point Padé approximants as summation techniques for the strongly divergent perturbation expansions of the ground state energies of anharmonic oscillators. Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics. 53(3). 2925–2939. 33 indexed citations
10.
Bludský, Ota, V. S̆pirko, & Jiřı́ Čı́žek. (1995). Solution of the One-Dimensional Schroedinger Equation by the Combined Use of Symbolic and Numerical Computation. The Journal of Physical Chemistry. 99(42). 15608–15610. 4 indexed citations
11.
Čı́žek, Jiřı́, V. S̆pirko, & Ota Bludský. (1993). On the use of divergent series in vibrational spectroscopy. Two- and three-dimensional oscillators. The Journal of Chemical Physics. 99(10). 7331–7336. 35 indexed citations
12.
Čı́žek, Jiřı́. (1990). Arithmetic properties of values of $E$-functions at algebraic points. Časopis pro pěstování matematiky. 115(3). 290–292. 1 indexed citations
13.
Weniger, Ernst Joachim & Jiřı́ Čı́žek. (1990). Rational approximations for the modified Bessel function of the second kind. Computer Physics Communications. 59(3). 471–493. 36 indexed citations
14.
Čı́žek, Jiřı́, et al.. (1984). Trigonometric polynomial interpolation of quantum mechanical properties by mutual perturbation approach. The Journal of Chemical Physics. 80(1). 372–379. 2 indexed citations
15.
Čı́žek, Jiřı́, Ruben Pauncz, & Edward R. Vrscay. (1983). The concept of quasispin and its use for the study of physical and chemical properties of alternant conjugated hydrocarbons. The Journal of Chemical Physics. 78(5). 2468–2475. 8 indexed citations
16.
Pellégatti, A., Jiřı́ Čı́žek, & Josef Paldus. (1982). Numerical estimates of the convergence of the Rayleigh‐Schrödinger perturbation expansions for the energy levels of various models of the benzene molecule. International Journal of Quantum Chemistry. 21(1). 147–151. 18 indexed citations
17.
Ladik, J. & Jiřı́ Čı́žek. (1980). A proposal for the calculation of the correlation energy using a one-center expansion in larger molecules. The Journal of Chemical Physics. 73(5). 2357–2359. 3 indexed citations
18.
Čı́žek, Jiřı́ & A. Pellégatti. (1967). Calcul de l'Énergie de Corrélation pour l'État Fondamental de la Molécule d'Acétylène. International Journal of Quantum Chemistry. 1(5). 653–655. 5 indexed citations
19.
Čı́žek, Jiřı́. (1966). On the Correlation Problem in Atomic and Molecular Systems. Calculation of Wavefunction Components in Ursell-Type Expansion Using Quantum-Field Theoretical Methods. The Journal of Chemical Physics. 45(11). 4256–4266. 2428 indexed citations breakdown →
20.
Čı́žek, Jiřı́. (1963). A new method of approximative calculation of polycentric integrals used in the quantum mechanical study of molecular structure. Molecular Physics. 6(1). 19–31. 35 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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