R. Walder

1.9k total citations · 1 hit paper
61 papers, 1.3k citations indexed

About

R. Walder is a scholar working on Astronomy and Astrophysics, Nuclear and High Energy Physics and Computational Mechanics. According to data from OpenAlex, R. Walder has authored 61 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 51 papers in Astronomy and Astrophysics, 22 papers in Nuclear and High Energy Physics and 11 papers in Computational Mechanics. Recurrent topics in R. Walder's work include Astrophysics and Star Formation Studies (22 papers), Stellar, planetary, and galactic studies (18 papers) and Laser-Plasma Interactions and Diagnostics (14 papers). R. Walder is often cited by papers focused on Astrophysics and Star Formation Studies (22 papers), Stellar, planetary, and galactic studies (18 papers) and Laser-Plasma Interactions and Diagnostics (14 papers). R. Walder collaborates with scholars based in France, United Kingdom and Switzerland. R. Walder's co-authors include Doris Folini, Adam Burrows, Eli Livne, I. Baraffe, M. Viallet, Christian D. Ott, Jean M. Favre, I. Lichtenstadt, J. Pratt and T. Goffrey and has published in prestigious journals such as The Astrophysical Journal, Monthly Notices of the Royal Astronomical Society and Astronomy and Astrophysics.

In The Last Decade

R. Walder

57 papers receiving 1.3k citations

Hit Papers

Fundamental differences between SPH and grid methods 2007 2026 2013 2019 2007 100 200 300
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. Fundamental differences between SPH and grid methods
    2007 332 citations R. Walder et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
R. Walder France 19 1.2k 420 168 129 61 61 1.3k
Yan-Fei Jiang United States 23 1.7k 1.4× 371 0.9× 67 0.4× 240 1.9× 44 0.7× 77 1.8k
P. Arévalo Chile 24 1.9k 1.6× 706 1.7× 60 0.4× 147 1.1× 97 1.6× 69 2.0k
A. M. Cherepashchuk Russia 22 1.6k 1.4× 343 0.8× 129 0.8× 109 0.8× 95 1.6× 220 1.7k
Joseph Smidt United States 19 778 0.7× 424 1.0× 46 0.3× 92 0.7× 57 0.9× 44 962
T. Matsakos Italy 10 1.1k 1.0× 326 0.8× 126 0.8× 29 0.2× 28 0.5× 18 1.2k
C. Zanni Italy 16 1.9k 1.6× 532 1.3× 181 1.1× 30 0.2× 42 0.7× 31 2.1k
Roger Käppeli Switzerland 11 822 0.7× 471 1.1× 263 1.6× 35 0.3× 36 0.6× 19 1.2k
Z. Méliani France 22 1.4k 1.2× 752 1.8× 79 0.5× 38 0.3× 46 0.8× 68 1.5k
E. Breedt United Kingdom 29 2.1k 1.8× 260 0.6× 94 0.6× 404 3.1× 68 1.1× 73 2.2k
Gregg Hallinan United States 24 2.1k 1.8× 556 1.3× 97 0.6× 140 1.1× 63 1.0× 98 2.2k

Countries citing papers authored by R. Walder

Since Specialization
Citations

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

Fields of papers citing papers by R. Walder

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of R. Walder

This figure shows the co-authorship network connecting the top 25 collaborators of R. Walder. A scholar is included among the top collaborators of R. Walder 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 R. Walder. R. Walder 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.
Dieckmann, M. E., César Huete, Antoine Bret, et al.. (2024). PIC simulation of a nonoscillatory perturbation on a subcritical fast magnetosonic shock wave. Physica Scripta. 99(11). 115606–115606.
2.
Dieckmann, M. E., César Huete, Antoine Bret, et al.. (2023). PIC simulations of stable surface waves on a subcritical fast magnetosonic shock front. Physica Scripta. 98(9). 95603–95603. 2 indexed citations
3.
Pratt, J., I. Baraffe, T. Goffrey, et al.. (2020). Comparison of 2D and 3D compressible convection in a pre-main sequence star. Astronomy and Astrophysics. 638. A15–A15. 15 indexed citations
4.
Dieckmann, M. E., Doris Folini, R. Walder, et al.. (2019). Shocks and phase space vortices driven by a density jump between two clouds of electrons and protons. Plasma Physics and Controlled Fusion. 62(2). 25022–25022. 7 indexed citations
5.
Dieckmann, M. E., G. Sarri, Doris Folini, R. Walder, & M. Borghesi. (2018). Cocoon formation by a mildly relativistic pair jet in unmagnetized collisionless electron-proton plasma. Physics of Plasmas. 25(11). 5 indexed citations
6.
Goffrey, T., J. Pratt, M. Viallet, et al.. (2017). Benchmarking the Multidimensional Stellar Implicit Code MUSIC. Springer Link (Chiba Institute of Technology). 22 indexed citations
7.
Pratt, J., I. Baraffe, T. Goffrey, et al.. (2017). Extreme value statistics for two-dimensional convective penetration in a pre-main sequence star. Astronomy and Astrophysics. 604. A125–A125. 34 indexed citations
8.
Dieckmann, M. E., D. Doria, H. Ahmed, et al.. (2017). Expansion of a radial plasma blast shell into an ambient plasma. Physics of Plasmas. 24(9). 2 indexed citations
9.
Viallet, M., T. Goffrey, I. Baraffe, et al.. (2016). A Jacobian-free Newton-Krylov method for time-implicit multidimensional hydrodynamics. Springer Link (Chiba Institute of Technology). 31 indexed citations
10.
Baraffe, I., M. Viallet, T. Goffrey, et al.. (2016). Multi-dimensional structure of accreting young stars. Springer Link (Chiba Institute of Technology). 16 indexed citations
11.
Pratt, J., I. Baraffe, T. Goffrey, et al.. (2016). Spherical-shell boundaries for two-dimensional compressible convection in a star. Astronomy and Astrophysics. 593. A121–A121. 21 indexed citations
12.
Dieckmann, M. E., H. Ahmed, D. Doria, et al.. (2015). Thin-shell instability in collisionless plasma. Physical Review E. 92(3). 31101–31101. 7 indexed citations
13.
Folini, Doris, R. Walder, & Jean M. Favre. (2014). Supersonic turbulence in 3D isothermal flow collision. Springer Link (Chiba Institute of Technology). 9 indexed citations
14.
Melzani, Mickaël, R. Walder, Doris Folini, C. Winisdoerffer, & Jean M. Favre. (2014). The energetics of relativistic magnetic reconnection: ion-electron repartition and particle distribution hardness. Springer Link (Chiba Institute of Technology). 37 indexed citations
15.
Georgy, C., R. Walder, Doris Folini, et al.. (2013). Circumstellar medium around rotating massive stars at solar metallicity. Springer Link (Chiba Institute of Technology). 20 indexed citations
16.
Melzani, Mickaël, C. Winisdoerffer, R. Walder, et al.. (2013). Apar-T: code, validation, and physical interpretation of particle-in-cell results. Astronomy and Astrophysics. 558. A133–A133. 30 indexed citations
17.
Georgy, C., G. Meynet, R. Walder, Doris Folini, & A. Maeder. (2009). The different progenitors of type Ib, Ic SNe, and of GRB. Springer Link (Chiba Institute of Technology). 69 indexed citations
18.
Walder, R., Doris Folini, Jean M. Favre, & S. N. Shore. (2009). Recurrent Novae: Progenitors of SN Ia?. ASPC. 429. 173. 1 indexed citations
19.
Walder, R., et al.. (2008). 3D simulations of RS Ophiuchi: from accretion to nova blast. Astronomy and Astrophysics. 484(1). L9–L12. 61 indexed citations
20.
Jordan, S., et al.. (1995). The ROSAT spectrum of the symbiotic nova AG Pegasi: evidence for colliding winds.. A&A. 297. 2 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Yan-Fei Jiang Breakdown of academic impact, for papers by P. Arévalo Breakdown of academic impact, for papers by A. M. Cherepashchuk Breakdown of academic impact, for papers by Joseph Smidt Breakdown of academic impact, for papers by T. Matsakos Breakdown of academic impact, for papers by C. Zanni Breakdown of academic impact, for papers by Roger Käppeli Breakdown of academic impact, for papers by Z. Méliani Breakdown of academic impact, for papers by E. Breedt Breakdown of academic impact, for papers by Gregg Hallinan
Rankless by CCL
2026