Quantum Mechanics and Applications
Quantum Mechanics and Applications is a research topic within Atomic and Molecular Physics, and Optics. Science Explorer counts 52k research works in it since 1950. 18.6% of them reached the world's top 10% most cited for their field and year.
This cluster of papers explores the foundational aspects of quantum mechanics, including decoherence, Bell inequalities, quantum measurement, interpretations of quantum theory, weak values, entanglement, nonlocality, and the nature of quantum information. It delves into topics such as wave function collapse and quantum probabilities.
- Decoherence
- Bell Inequality
- Quantum Measurement
- Quantum Interpretations
- Weak Values
- Entanglement
- Quantum Nonlocality
- Quantum Information
- Wave Function Collapse
- Quantum Probabilities
- Research works
- 52k fractional, since 1950
- In the world top 10%
- 9.6k per year above
- Top-10% rate
- 18.6% share of its works in the world top 10%
- Growth, 2013–17 → 2018–22
- +8% the tick is no change
Which countries lead Quantum Mechanics and Applications research?
By volume, the United States and China publish the most (1.3k and 1.3k works in 2022–2025).
By volume, 2022–2025
- 1 United States 1.3k works
- 2 China 1.3k works
- 3 India 485 works
- 4 Germany 449 works
- 5 Italy 387 works
- 6 United Kingdom 359 works
- 7 France 266 works
- 8 Russia 259 works
- 9 Brazil 243 works
- 10 Japan 229 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 Mechanics and Applications research?
By volume in 2022–2025, Universidade Estadual Paulista (Unesp) publishes the most Quantum Mechanics and Applications research, followed by University of Science and Technology of China and Centre National de la Recherche Scientifique.
By volume, 2022–2025
- 1 Universidade Estadual Paulista (Unesp)Brazil 67 works
- 2 University of Science and Technology of ChinaChina 54 works
- 3 Centre National de la Recherche ScientifiqueFrance 39 works
- 4 National University of SingaporeSingapore 38 works
- 5 Beijing University of Posts and TelecommunicationsChina 36 works
- 6 University of OxfordUnited Kingdom 36 works
- 7 Nanjing University of Posts and TelecommunicationsChina 30 works
- 8 Universidad Nacional Autónoma de MéxicoMexico 29 works
- 9 University of WaterlooCanada 28 works
- 10 The University of TokyoJapan 27 works
Who are the leading researchers in Quantum Mechanics and Applications?
The most-cited researchers publishing on Quantum Mechanics and Applications include Edward Witten and A. J. Barr.
- 1 Edward Witten United States 7.2k citations
- 2 A. J. Barr United States 7k citations
Ranked by citations received across their whole record, among researchers with at least three works on this topic.
Where is Quantum Mechanics and Applications research done?
The largest centres of Quantum Mechanics and Applications research in 2022–2025 are Beijing (China), Moscow (Russia), Paris (France) and Hefei (China). Among places with at least 20 works in it, it is an unusually large share of all research in Kalmar.
Largest cities, 2022–2025
Where it is the local speciality
- KalmarSE · 25.9 works33×
Location quotient: how much more of its research is in Quantum Mechanics and Applications than the world average.
Where is the best place to study Quantum Mechanics and Applications?
Among universities, judged by research, Nanjing University of Posts and Telecommunications, Jaypee Institute of Information Technology and Hefei University 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 | Nanjing University of Posts and TelecommunicationsChina | 73.5 | 34.0% | 9.3× | 30 | +186.7% |
| 2 | Jaypee Institute of Information TechnologyIndia | 61.0 | 28.5% | 10.4× | 9 | +246.2% |
| 3 | Hefei UniversityChina | 59.4 | 43.7% | 15.5× | 12 | -47.1% |
| 4 | California Institute of TechnologyUnited States | 58.9 | 34.3% | 9.1× | 16 | +11.4% |
| 5 | University of Science and Technology of ChinaChina | 58.1 | 29.6% | 6.0× | 54 | +24.7% |
| 6 | University of GenevaSwitzerland | 57.7 | 30.5% | 8.1× | 20 | +13.0% |
| 7 | Capital Normal UniversityChina | 56.6 | 24.8% | 17.6× | 18 | +56.2% |
| 8 | École PolytechniqueFrance | 55.7 | 7.8% | 24.7× | 14 | +355.2% |
| 9 | University of GdańskPoland | 55.5 | 19.6% | 15.3× | 25 | +41.5% |
| 10 | Massachusetts Institute of TechnologyUnited States | 55.1 | 35.7% | 5.8× | 26 | -3.3% |
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 Mechanics and Applications research growing?
Output in 2018–2022 was 8% higher than in 2013–2017, peaking in 2025. The fastest-growing topics are Quantum Mechanics and Applications.
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.