J. Kopu

1.2k total citations
25 papers, 815 citations indexed

About

J. Kopu is a scholar working on Atomic and Molecular Physics, and Optics, Condensed Matter Physics and Astronomy and Astrophysics. According to data from OpenAlex, J. Kopu has authored 25 papers receiving a total of 815 indexed citations (citations by other indexed papers that have themselves been cited), including 22 papers in Atomic and Molecular Physics, and Optics, 13 papers in Condensed Matter Physics and 5 papers in Astronomy and Astrophysics. Recurrent topics in J. Kopu's work include Quantum, superfluid, helium dynamics (18 papers), Physics of Superconductivity and Magnetism (13 papers) and Atomic and Subatomic Physics Research (10 papers). J. Kopu is often cited by papers focused on Quantum, superfluid, helium dynamics (18 papers), Physics of Superconductivity and Magnetism (13 papers) and Atomic and Subatomic Physics Research (10 papers). J. Kopu collaborates with scholars based in Finland, Germany and Russia. J. Kopu's co-authors include Matthias Eschrig, Juan Carlos Cuevas, Gerd Schön, M. Krusius, Risto Hänninen, E. V. Thuneberg, V. B. Eltsov, Antti Finne, Makoto Tsubota and Thierry Champel and has published in prestigious journals such as Physical Review Letters, Physical review. B, Condensed matter and Physical Review B.

In The Last Decade

J. Kopu

25 papers receiving 789 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
J. Kopu Finland 12 639 620 292 53 46 25 815
Todor M. Mishonov Bulgaria 12 159 0.2× 346 0.6× 144 0.5× 53 1.0× 50 1.1× 93 476
V. A. Shklovskij Ukraine 12 243 0.4× 371 0.6× 70 0.2× 53 1.0× 26 0.6× 37 443
Madhavi Chand India 12 502 0.8× 612 1.0× 144 0.5× 154 2.9× 44 1.0× 19 797
Ya. V. Fominov Russia 17 780 1.2× 1.1k 1.7× 489 1.7× 49 0.9× 36 0.8× 48 1.1k
P. Mathieu France 14 256 0.4× 355 0.6× 99 0.3× 19 0.4× 20 0.4× 35 458
Katsuhiko Nagai Japan 19 994 1.6× 793 1.3× 220 0.8× 35 0.7× 6 0.1× 76 1.2k
L. Dumoulin France 13 282 0.4× 328 0.5× 58 0.2× 54 1.0× 44 1.0× 43 414
Takeo Satoh Japan 13 259 0.4× 214 0.3× 163 0.6× 34 0.6× 7 0.2× 38 431
Gilson Carneiro Brazil 14 403 0.6× 577 0.9× 114 0.4× 30 0.6× 13 0.3× 47 703
Е. А. Степанцов Sweden 15 366 0.6× 582 0.9× 214 0.7× 147 2.8× 63 1.4× 84 721

Countries citing papers authored by J. Kopu

Since Specialization
Citations

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

Fields of papers citing papers by J. Kopu

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

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

This figure shows the co-authorship network connecting the top 25 collaborators of J. Kopu. A scholar is included among the top collaborators of J. Kopu 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. Kopu. J. Kopu 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.
Hänninen, Risto, et al.. (2009). Precessing Vortex Motion and Instability in a Rotating Column of Superfluid 3He-B. Journal of Low Temperature Physics. 155(1-2). 98–113. 6 indexed citations
2.
Bradley, D. I., S. N. Fisher, A. M. Guénault, et al.. (2008). The Annihilation of Two Phase Interfaces in Superfluid 3He: Simulated Brane Annihilation in the Laboratory. Journal of the Physical Society of Japan. 77(11). 111005–111005. 1 indexed citations
3.
Bradley, D. I., S. N. Fisher, A. M. Guénault, et al.. (2007). The AB Interface in Superfluid 3He as a Simulated Cosmological Brane. Journal of Low Temperature Physics. 148(5-6). 465–473. 2 indexed citations
4.
Eschrig, Matthias, Tomas Löfwander, Thierry Champel, et al.. (2007). Symmetries of Pairing Correlations in Superconductor–Ferromagnet Nanostructures. Repository KITopen (Karlsruhe Institute of Technology). 75 indexed citations
5.
Finne, Antti, N. B. Kopnin, Risto Hänninen, et al.. (2006). Novel hydrodynamic phenomena in superfluid 3He. arXiv (Cornell University). 1 indexed citations
6.
Kopu, J., V. B. Eltsov, Antti Finne, M. Krusius, & G. E. Volovik. (2006). NMR Response of a Vortex Tangle in Rotating 3He-B. AIP conference proceedings. 850. 181–182. 1 indexed citations
7.
Eltsov, V. B., Antti Finne, Risto Hänninen, et al.. (2006). Twisted Vortex State. Physical Review Letters. 96(21). 215302–215302. 44 indexed citations
8.
Finne, Antti, V. B. Eltsov, G. Eska, et al.. (2006). Vortex Multiplication in Applied Flow: A Precursor to Superfluid Turbulence. Physical Review Letters. 96(8). 85301–85301. 19 indexed citations
9.
Finne, Antti, V. B. Eltsov, Risto Hänninen, et al.. (2006). Dynamics of vortices and interfaces in superfluid3He. Reports on Progress in Physics. 69(12). 3157–3230. 63 indexed citations
10.
Kopu, J.. (2006). Numerically Calculated NMR Response from Different Vortex Distributions in Superfluid 3He-B. Journal of Low Temperature Physics. 146(1-2). 47–58. 11 indexed citations
11.
Cuevas, Juan Carlos, et al.. (2006). Proximity effect and multiple Andreev reflections in diffusive superconductor–normal-metal–superconductor junctions. Physical Review B. 73(18). 62 indexed citations
12.
Kopu, J., et al.. (2005). Superconducting proximity effect through a magnetic domain wall. Physical Review B. 72(14). 22 indexed citations
13.
Pérez‐Willard, F., Juan Carlos Cuevas, C. Sürgers, et al.. (2004). Determining the current polarization in Al/Co nanostructured point contacts. Physical Review B. 69(14). 48 indexed citations
14.
Kopu, J., Matthias Eschrig, Juan Carlos Cuevas, & M. Fogelström. (2004). Transfer-matrix description of heterostructures involving superconductors and ferromagnets. Physical Review B. 69(9). 51 indexed citations
15.
Eschrig, Matthias, J. Kopu, Juan Carlos Cuevas, & Gerd Schön. (2003). Theory of Half-Metal/Superconductor Heterostructures. Physical Review Letters. 90(13). 137003–137003. 298 indexed citations
16.
Kopu, J. & E. V. Thuneberg. (2001). Soliton-Limited Superflow in 3He-A Between Parallel Plates. Journal of Low Temperature Physics. 124(1-2). 147–162. 1 indexed citations
17.
Kopu, J., Risto Hänninen, & E. V. Thuneberg. (2000). One-dimensional textures and critical velocity in superfluid3He−A. Physical review. B, Condensed matter. 62(18). 12374–12380. 9 indexed citations
18.
Kopu, J., et al.. (2000). Pseudo-contact angle due to superfluid vortices in 4 He. Europhysics Letters (EPL). 50(2). 222–228. 4 indexed citations
19.
Kopu, J., R. Blaauwgeers, V. B. Eltsov, et al.. (2000). NMR Line Shape of Rotating 3He-B at Large Counterflow Velocity. Journal of Low Temperature Physics. 120(3-4). 213–232. 7 indexed citations
20.
Ruutu, V. M. H., J. Kopu, M. Krusius, et al.. (1996). Critical velocity of continuous vortex formation in rotating3He-A. Czechoslovak Journal of Physics. 46(S1). 7–8. 3 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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