Quantum many-body systems
Quantum many-body systems is a research topic within Atomic and Molecular Physics, and Optics. Science Explorer counts 21k research works in it since 1950. 29.0% of them reached the world's top 10% most cited for their field and year.
This cluster of papers explores the dynamics and entanglement properties of quantum many-body systems, including topics such as many-body localization, quantum thermalization, matrix product states, topological order, quantum phase transitions, tensor networks, and the application of machine learning techniques. The papers cover a wide range of theoretical and experimental investigations into the behavior of complex quantum systems.
- Entanglement
- Many-Body Localization
- Quantum Thermalization
- Matrix Product States
- Dynamics
- Renormalization Group
- Topological Order
- Quantum Phase Transitions
- Tensor Networks
- Machine Learning
- Research works
- 21k fractional, since 1950
- In the world top 10%
- 6.1k per year above
- Top-10% rate
- 29.0% share of its works in the world top 10%
- Growth, 2013–17 → 2018–22
- +41% the tick is no change
Which countries lead Quantum many-body systems research?
By volume, the United States and China publish the most (904 and 718 works in 2022–2025).
By volume, 2022–2025
- 1 United States 904 works
- 2 China 718 works
- 3 Germany 423 works
- 4 Japan 239 works
- 5 India 212 works
- 6 Italy 212 works
- 7 France 198 works
- 8 United Kingdom 180 works
- 9 Spain 103 works
- 10 Canada 94 works
How concentrated that is
The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.
Shares of the rows listed above, not of the whole node.
Which institutions lead Quantum many-body systems research?
By volume in 2022–2025, The University of Tokyo publishes the most Quantum many-body systems research, followed by National University of Singapore and Tsinghua University.
By volume, 2022–2025
- 1 The University of Tokyo Japan 49 works
- 2 National University of Singapore Singapore 38 works
- 3 Tsinghua University China 35 works
- 4 California Institute of Technology United States 34 works
- 5 Centre National de la Recherche Scientifique France 32 works
- 6 Munich Center for Quantum Science and Technology Germany 31 works
- 7 Massachusetts Institute of Technology United States 31 works
- 8 Scuola Internazionale Superiore di Studi Avanzati Italy 29 works
- 9 Princeton University United States 29 works
- 10 Max Planck Institute for the Physics of Complex Systems Germany 25 works
Who are the leading researchers in Quantum many-body systems?
The most-cited researchers publishing on Quantum many-body systems include Heng Fan, H. Eugene Stanley and Oliver Hart.
- 1 Heng Fan 5.5k citations
- 2 H. Eugene Stanley 5.5k citations
- 3 Oliver Hart 5k citations
- 4 J. I. Cirac 4.3k citations
- 5 P. Zoller 4.2k citations
- 6 S. Das Sarma 3.9k citations
- 7 Xiao-Gang Wen 3.6k citations
- 8 Martin B. Plenio 3.6k citations
- 9 R. J. Cava 3.6k citations
Ranked by citations received across their whole record, among researchers with at least three works on this topic.
Where is Quantum many-body systems research done?
The largest centres of Quantum many-body systems research in 2022–2025 are Beijing (China), Tokyo (Japan), Paris (France) and Munich (Germany). Among places with at least 20 works in it, it is an unusually large share of all research in Wako, Trieste and Pasadena.
Largest cities, 2022–2025
Where it is the local speciality
- WakoJP · 24.4 works53×
- TriesteIT · 72.8 works43×
- PasadenaUS · 34.3 works18×
- College ParkUS · 45.2 works18×
Location quotient: how much more of its research is in Quantum many-body systems than the world average.
Where is the best place to study Quantum many-body systems?
Among universities, judged by research, California Institute of Technology, Scuola Internazionale Superiore di Studi Avanzati and Munich Center for Quantum Science and Technology score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.
One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.
| # | University | Score | Top 10% | Specialisation | Works | Growth |
|---|---|---|---|---|---|---|
| 1 | California Institute of Technology United States | 78.9 | 50.8% | 33.9× | 34 | +113.1% |
| 2 | Scuola Internazionale Superiore di Studi Avanzati Italy | 78.1 | 39.6% | 161.1× | 29 | +221.2% |
| 3 | Munich Center for Quantum Science and Technology Germany | 76.1 | 46.8% | 525.0× | 31 | — |
| 4 | Massachusetts Institute of Technology United States | 73.6 | 53.9% | 11.8× | 31 | +9.9% |
| 5 | University of Colorado Boulder United States | 73.6 | 48.2% | 10.4× | 17 | +304.8% |
| 6 | University of Cologne Germany | 70.7 | 54.5% | 9.7× | 13 | +127.7% |
| 7 | University of Geneva Switzerland | 70.6 | 57.6% | 9.7× | 14 | +49.2% |
| 8 | Princeton University United States | 70.2 | 49.3% | 15.7× | 29 | +29.9% |
| 9 | The University of Tokyo Japan | 69.1 | 37.2% | 9.5× | 48 | +81.1% |
| 10 | Technical University of Munich Germany | 64.4 | 36.4% | 7.3× | 24 | +318.7% |
Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.
Is Quantum many-body systems research growing?
Output in 2018–2022 was 41% higher than in 2013–2017, peaking in 2025. The fastest-growing topics are Quantum many-body systems.
The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.
Which topics inside it are moving
Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.