J. R. Johansson

8.1k total citations · 4 hit papers
32 papers, 5.7k citations indexed

About

J. R. Johansson is a scholar working on Atomic and Molecular Physics, and Optics, Artificial Intelligence and Electrical and Electronic Engineering. According to data from OpenAlex, J. R. Johansson has authored 32 papers receiving a total of 5.7k indexed citations (citations by other indexed papers that have themselves been cited), including 31 papers in Atomic and Molecular Physics, and Optics, 16 papers in Artificial Intelligence and 6 papers in Electrical and Electronic Engineering. Recurrent topics in J. R. Johansson's work include Quantum Information and Cryptography (16 papers), Mechanical and Optical Resonators (15 papers) and Quantum and electron transport phenomena (11 papers). J. R. Johansson is often cited by papers focused on Quantum Information and Cryptography (16 papers), Mechanical and Optical Resonators (15 papers) and Quantum and electron transport phenomena (11 papers). J. R. Johansson collaborates with scholars based in United States, Japan and Sweden. J. R. Johansson's co-authors include Franco Nori, Paul D. Nation, Göran Johansson, C. M. Wilson, Sahel Ashhab, Per Delsing, M. P. Blencowe, A. M. Zagoskin, Arsalan Pourkabirian and Michaël Simoen and has published in prestigious journals such as Nature, Physical Review Letters and Nano Letters.

In The Last Decade

J. R. Johansson

31 papers receiving 5.5k citations

Hit Papers

align trajectories

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.

QuTiP 2: A Python framework for the dynamics of open quantum systems

2012 1.5k citations J. R. Johansson, Paul D. Nation et al. Computer Physics Communications profile →
QuTiP: An open-source Python framework for the dynamics of open quantum systems

2012 1.4k citations J. R. Johansson, Paul D. Nation et al. Computer Physics Communications profile →
Observation of the dynamical Casimir effect in a superconducting circuit

2011 655 citations C. M. Wilson, Göran Johansson et al. Nature profile →
Colloquium: Stimulating uncertainty: Amplifying the quantum vacuum with superconducting circuits

2012 365 citations Paul D. Nation, J. R. Johansson et al. Reviews of Modern Physics profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
J. R. Johansson United States	23	5.1k	3.3k	848	658	214	32	5.7k
Alexander N. Korotkov United States	40	5.2k 1.0×	3.6k 1.1×	1.7k 2.0×	556 0.8×	292 1.4×	170	6.0k
Paul D. Nation United States	11	3.2k 0.6×	2.6k 0.8×	550 0.6×	409 0.6×	122 0.6×	18	3.9k
M. Neeley United States	29	5.5k 1.1×	4.2k 1.2×	1.2k 1.4×	322 0.5×	222 1.0×	37	6.0k
M. Ansmann United States	21	5.0k 1.0×	3.5k 1.1×	1.2k 1.4×	300 0.5×	246 1.1×	28	5.5k
Andrew N. Jordan United States	37	4.3k 0.8×	3.1k 0.9×	432 0.5×	1.5k 2.2×	391 1.8×	150	5.0k
Irfan Siddiqi United States	41	5.1k 1.0×	4.1k 1.2×	902 1.1×	617 0.9×	220 1.0×	135	6.0k
J. Wenner United States	28	5.2k 1.0×	3.9k 1.2×	1.3k 1.5×	249 0.4×	212 1.0×	35	5.8k
J. G. Muga Spain	45	8.2k 1.6×	4.5k 1.4×	577 0.7×	2.4k 3.6×	171 0.8×	254	8.9k
D. Sank United States	30	5.3k 1.0×	4.0k 1.2×	1.3k 1.6×	250 0.4×	214 1.0×	42	5.9k
Erik Lucero United States	33	6.2k 1.2×	4.7k 1.4×	1.4k 1.6×	320 0.5×	283 1.3×	47	6.8k

Countries citing papers authored by J. R. Johansson

Since Specialization

Citations

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

Fields of papers citing papers by J. R. Johansson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of J. R. Johansson

This figure shows the co-authorship network connecting the top 25 collaborators of J. R. Johansson. A scholar is included among the top collaborators of J. R. Johansson 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. R. Johansson. J. R. Johansson is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Lambert, Neill, Rachana Agarwal, Nathan Shammah, et al.. (2025). QuTiP 5: The Quantum Toolbox in Python. Physics Reports. 1153. 1–62. 3 indexed citations

Deng, Guangwei, Da Wei, J. R. Johansson, et al.. (2015). Charge Number Dependence of the Dephasing Rates of a Graphene Double Quantum Dot in a Circuit QED Architecture. Physical Review Letters. 115(12). 126804–126804. 46 indexed citations

Nation, Paul D., J. R. Johansson, M. P. Blencowe, & A. J. Rimberg. (2015). Iterative solutions to the steady-state density matrix for optomechanical systems. Physical Review E. 91(1). 13307–13307. 12 indexed citations

Deng, Guangwei, Da Wei, J. R. Johansson, et al.. (2015). Coupling Two Distant Double Quantum Dots with a Microwave Resonator. Nano Letters. 15(10). 6620–6625. 64 indexed citations

Lü, Xin‐You, Ying Wu, J. R. Johansson, et al.. (2015). Squeezed Optomechanics with Phase-Matched Amplification and Dissipation. Physical Review Letters. 114(9). 93602–93602. 288 indexed citations

Kim, Eunjong, J. R. Johansson, & Franco Nori. (2015). Circuit analog of quadratic optomechanics. Physical Review A. 91(3). 50 indexed citations

Johansson, J. R., Neill Lambert, Imran Mahboob, Hiroshi Yamaguchi, & Franco Nori. (2014). Entangled-state generation and Bell inequality violations in nanomechanical resonators. Physical Review B. 90(17). 29 indexed citations

Johansson, J. R., Paul D. Nation, & Franco Nori. (2012). QuTiP 2: A Python framework for the dynamics of open quantum systems. Computer Physics Communications. 184(4). 1234–1240. 1485 indexed citations breakdown →

Nation, Paul D., J. R. Johansson, M. P. Blencowe, & Franco Nori. (2012). Colloquium: Stimulating uncertainty: Amplifying the quantum vacuum with superconducting circuits. Reviews of Modern Physics. 84(1). 1–24. 365 indexed citations breakdown →

10.

Johansson, J. R., Paul D. Nation, & Franco Nori. (2012). QuTiP: An open-source Python framework for the dynamics of open quantum systems. Computer Physics Communications. 183(8). 1760–1772. 1376 indexed citations breakdown →

11.

Stehlik, J., Yuliya Dovzhenko, J. R. Petta, et al.. (2012). Landau-Zener-Stückelberg interferometry of a single electron charge qubit. Physical Review B. 86(12). 84 indexed citations

12.

Wilson, C. M., Göran Johansson, Arsalan Pourkabirian, et al.. (2011). Observation of the dynamical Casimir effect in a superconducting circuit. Nature. 479(7373). 376–379. 655 indexed citations breakdown →

13.

Johansson, J. R., Göran Johansson, C. M. Wilson, & Franco Nori. (2009). Dynamical Casimir Effect in a Superconducting Coplanar Waveguide. Physical Review Letters. 103(14). 147003–147003. 211 indexed citations

14.

Ashhab, Sahel, J. R. Johansson, A. M. Zagoskin, & Franco Nori. (2009). Single-artificial-atom lasing using a voltage-biased superconducting charge qubit. New Journal of Physics. 11(2). 23030–23030. 47 indexed citations

15.

Ashhab, Sahel, J. R. Johansson, A. M. Zagoskin, & Franco Nori. (2008). Single-artificial-atom lasing and its suppression by strong pumping. arXiv (Cornell University). 1 indexed citations

16.

Grajcar, M., Sahel Ashhab, J. R. Johansson, & Franco Nori. (2008). Lower limit on the achievable temperature in resonator-based sideband cooling. Physical Review B. 78(3). 40 indexed citations

17.

Wei, L. F., J. R. Johansson, Li-Xiang Cen, Sahel Ashhab, & Franco Nori. (2008). Controllable Coherent Population Transfers in Superconducting Qubits for Quantum Computing. Physical Review Letters. 100(11). 113601–113601. 95 indexed citations

18.

Johansson, J. R., Lev Mourokh, Anatoly Yu. Smirnov, & Franco Nori. (2008). Enhancing the conductance of a two-electron nanomechanical oscillator. Physical Review B. 77(3). 5 indexed citations

19.

Zagoskin, A. M., J. R. Johansson, Sahel Ashhab, & Franco Nori. (2007). Quantum information processing using frequency control of impurity spins in diamond. Physical Review B. 76(1). 16 indexed citations

20.

Zagoskin, A. M., Sahel Ashhab, J. R. Johansson, & Franco Nori. (2006). Quantum Two-Level Systems in Josephson Junctions as Naturally Formed Qubits. Physical Review Letters. 97(7). 77001–77001. 93 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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