R. Walder

2.1k citations

71 papers · 1.4k · 1 hit paper · h-index 20

Impact in

Astronomy and Astrophysics top 2%
- Astrophysics and Star Formation Studies
- Stellar, planetary, and galactic studies
- Gamma-ray bursts and supernovae
- Galaxies: Formation, Evolution, Phenomena
- Astrophysical Phenomena and Observations
- Pulsars and Gravitational Waves Research
- Solar and Space Plasma Dynamics
Instrumentation top 5%

Papers in

Astronomy and Astrophysics 58
- Astrophysics and Star Formation Studies 25
- Stellar, planetary, and galactic studies 22
- Astro and Planetary Science 16
- Gamma-ray bursts and supernovae 15
- Solar and Space Plasma Dynamics 13
- Ionosphere and magnetosphere dynamics 10
Nuclear and High Energy Physics 22
- Laser-Plasma Interactions and Diagnostics 14
- Astrophysics and Cosmic Phenomena 11

Co-authors: Doris Folini (49 shared papers)Adam Burrows (5 shared papers)Eli Livne (3 shared papers)I. Baraffe (12 shared papers)Christian D. Ott (4 shared papers)M. Viallet (11 shared papers)Jean M. Favre (7 shared papers)I. Lichtenstadt (2 shared papers)
Journals: Astronomy and Astrophysics (10 papers)Physics of Plasmas (4 papers)Plasma Physics and Controlled Fusion (3 papers)The Astrophysical Journal (3 papers)Nuclear Physics A (1 paper)
Partner nations: France Switzerland United Kingdom

In The Last Decade

R. Walder

64 papers receiving 1.4k citations

R. Walder's Hit Papers

align trajectories log scale

Fundamental differences between SPH and grid methods 2007 · 353 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2007 Zurich Open Repository and Archive (University of Zurich)

Peers

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-authors

The 25 scholars most cited alongside R. Walder, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with R. Walder Line = papers co-authored together R. Walder links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 71 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Fundamental differences between SPH and grid methods Zurich Open Repository and Archive (University of Zurich) ·Oscar Agertz, Ben Moore, Joachim Stadel, D. Potter, Francesco Miniati, Justin I. Read, Lucio Mayer, A. Gawryszczak, Andrey V. Kravtsov, Åke Nordlund, F. R. Pearce, Vicent Quilis, Douglas H. Rudd, Volker Springel, James M. Stone, Elizabeth J. Tasker, Romain Teyssier, James Wadsley, R. Walder Hit paper breakdown →	2007	353
2	Gravitational Waves from Axisymmetric, Rotating Stellar Core Collapse The Astrophysical Journal ·Christian D. Ott, Adam Burrows, Eli Livne, R. Walder	2004	110
3	Two‐dimensional, Time‐dependent, Multigroup, Multiangle Radiation Hydrodynamics Test Simulation in the Core‐Collapse Supernova Context The Astrophysical Journal ·Eli Livne, Adam Burrows, R. Walder, I. Lichtenstadt, Todd A. Thompson	2004	68
4	3D simulations of RS Ophiuchi: from accretion to nova blast Astronomy and Astrophysics ·R. Walder, Doris Folini, S. N. Shore	2008	65
5	Anisotropies in the Neutrino Fluxes and Heating Profiles in Two‐dimensional, Time‐dependent, Multigroup Radiation Hydrodynamics Simulations of Rotating Core‐Collapse Supernovae The Astrophysical Journal ·R. Walder, Adam Burrows, Christian D. Ott, E. Livne, I. Lichtenstadt, Moath Jarrah	2005	61
6	Multi-scale simulations of particle acceleration in astrophysical systems HAL (Le Centre pour la Communication Scientifique Directe) ·Alexandre Marcowith, Gilles Ferrand, M. Grech, Z. Méliani, Illya Plotnikov, R. Walder	2020	53
7	The different progenitors of type Ib, Ic SNe, and of GRB Springer Link (Chiba Institute of Technology) ·C. Georgy, G. Meynet, R. Walder, Doris Folini, A. Maeder	2012	52
8	Relativistic magnetic reconnection in collisionless ion-electron plasmas explored with particle-in-cell simulations Astronomy and Astrophysics ·Mickaël Melzani, R. Walder, Doris Folini, C. Winisdoerffer, Jean M. Favre	2014	42
9	On the Stability of Colliding Flows: Radiative Shocks, ThinShells, and Supersonic Turbulence Astrophysics and Space Science ·R. Walder, Doris Folini	2000	42
10	Lithium Depletion in Solar-like Stars: Effect of Overshooting Based on Realistic Multi-dimensional Simulations The Astrophysical Journal Letters ·I. Baraffe, J. Pratt, T. Goffrey, T. Constantino, Doris Folini, Mikhail Popov, R. Walder, M. Viallet	2017	40
11	The energetics of relativistic magnetic reconnection: ion-electron repartition and particle distribution hardness Springer Link (Chiba Institute of Technology) ·Mickaël Melzani, R. Walder, Doris Folini, C. Winisdoerffer, Jean M. Favre	2014	39
12	Towards a new generation of multi-dimensional stellar evolution models: development of an implicit hydrodynamic code Astronomy and Astrophysics ·M. Viallet, I. Baraffe, R. Walder	2011	35
13	Extreme value statistics for two-dimensional convective penetration in a pre-main sequence star Astronomy and Astrophysics ·J. Pratt, I. Baraffe, T. Goffrey, T. Constantino, M. Viallet, Mikhail Popov, R. Walder, Doris Folini	2017	35
14	Supersonic turbulence in shock-bound interaction zones Astronomy and Astrophysics ·Doris Folini, R. Walder	2006	33
15	Apar-T: code, validation, and physical interpretation of particle-in-cell results Astronomy and Astrophysics ·Mickaël Melzani, C. Winisdoerffer, R. Walder, Doris Folini, Jean M. Favre, Stefan Krastanov, Peter Messmer	2013	31
16	A Jacobian-free Newton-Krylov method for time-implicit multidimensional hydrodynamics Springer Link (Chiba Institute of Technology) ·M. Viallet, T. Goffrey, I. Baraffe, Doris Folini, C. Geroux, Mikhail Popov, J. Pratt, R. Walder	2015	31
17	Benchmarking the Multi-dimensional Stellar Implicit Code MUSIC Open Research Exeter (University of Exeter) ·T. Goffrey, J. Pratt, M. Viallet, I. Baraffe, Mikhail Popov, R. Walder, Doris Folini, C. Geroux, T. Constantino	2016	22
18	Spherical-shell boundaries for two-dimensional compressible convection in a star Astronomy and Astrophysics ·J. Pratt, I. Baraffe, T. Goffrey, C. Geroux, M. Viallet, Doris Folini, T. Constantino, Mikhail Popov, R. Walder	2016	21
19	Circum-stellar medium around rotating massive stars at solar metallicity Springer Link (Chiba Institute of Technology) ·C. Georgy, R. Walder, Doris Folini, A. M. Bykov, Alexandre Marcowith, Jean M. Favre	2013	21
20	Simulations of Colliding Winds in 3 Dimensions R. Walder	1995	19

About R. Walder

R. Walder is a scholar working on Astronomy and Astrophysics, Nuclear and High Energy Physics, Computational Mechanics, Atomic and Molecular Physics, and Optics and Instrumentation, having authored 71 papers that have together received 1.4k indexed citations. Recurring topics across this work include Astrophysics and Star Formation Studies (25 papers), Stellar, planetary, and galactic studies (22 papers), Astro and Planetary Science (16 papers), Gamma-ray bursts and supernovae (15 papers), Laser-Plasma Interactions and Diagnostics (14 papers), Solar and Space Plasma Dynamics (13 papers), Astrophysics and Cosmic Phenomena (11 papers) and Ionosphere and magnetosphere dynamics (10 papers). The work is most often cited by research in Astronomy and Astrophysics (1.3k citations), Instrumentation (134 citations), Nuclear and High Energy Physics (441 citations), Computational Mechanics (202 citations) and Applied Mathematics (49 citations). R. Walder has collaborated with scholars based in France, Switzerland and United Kingdom. Frequent co-authors include Doris Folini, Adam Burrows, Eli Livne, I. Baraffe, Christian D. Ott, M. Viallet, Jean M. Favre, I. Lichtenstadt, T. Goffrey and J. Pratt. Their work appears in journals such as Astronomy and Astrophysics, Physics of Plasmas, Plasma Physics and Controlled Fusion, The Astrophysical Journal and Nuclear Physics A.

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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R. Walder's Hit Papers

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