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Topic · Statistical and Nonlinear Physics

Noncommutative and Quantum Gravity Theories

Noncommutative and Quantum Gravity Theories is a research topic within Statistical and Nonlinear Physics. Science Explorer counts 26k research works in it since 1950. 10.0% of them reached the world's top 10% most cited for their field and year.

This cluster of papers explores the intersection of quantum gravity, noncommutative field theories, and Lorentz violation. It delves into topics such as loop quantum cosmology, spacetime noncommutativity, black hole thermodynamics, and the generalized uncertainty principle at the Planck scale.

  • Quantum Gravity
  • Noncommutative Field Theory
  • Lorentz Violation
  • Loop Quantum Cosmology
  • Generalized Uncertainty Principle
  • Planck Scale
  • Spacetime Noncommutativity
  • Quantum Geometry
  • Black Hole Thermodynamics
  • Space-time Causality
Research works
26k
fractional, since 1950
In the world top 10%
2.6k
per year above
Top-10% rate
10.0%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
-3%
the tick is no change
Largest producer
United States
23% of the 10 largest, 2022-now
Noncommutative and Quantum Gravity Theories

Which countries lead Noncommutative and Quantum Gravity Theories research?

By volume, the United States and China publish the most (620 and 410 works in 2022-now).

By volume, 2022-now

  1. 1 United States 620 works
  2. 2 China 410 works
  3. 3 India 323 works
  4. 4 United Kingdom 240 works
  5. 5 Italy 226 works
  6. 6 Brazil 216 works
  7. 7 Germany 200 works
  8. 8 Japan 141 works
  9. 9 Spain 139 works
  10. 10 France 133 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.

United States: 23.4%China: 15.5%India: 12.2%United Kingdom: 9.1%6 others listed: 39.9%23%largest
United States620 · 23.4%China410 · 15.5%India323 · 12.2%United Kingdom240 · 9.1%6 others listed1,056 · 39.9%

Shares of the rows listed above, not of the whole node.

Which institutions lead Noncommutative and Quantum Gravity Theories research?

By volume in 2022-now, Centre National de la Recherche Scientifique publishes the most Noncommutative and Quantum Gravity Theories research, followed by Chinese Academy of Sciences and Russian Academy of Sciences.

By volume, 2022-now

  1. 1 Centre National de la Recherche ScientifiqueFrance 69 works
  2. 2 Chinese Academy of SciencesChina 36 works
  3. 3 Russian Academy of SciencesRussia 33 works
  4. 4 Max Planck SocietyGermany 31 works
  5. 5 National University of SingaporeSingapore 29 works
  6. 6 Universidad Autónoma de MadridSpain 29 works
  7. 7 University of Naples Federico IIItaly 28 works
  8. 8 Perimeter InstituteCanada 27 works
  9. 9 Universidade Federal da ParaíbaBrazil 23 works
  10. 10 University of CambridgeUnited Kingdom 22 works

Who are the leading researchers in Noncommutative and Quantum Gravity Theories?

The most-cited researchers publishing on Noncommutative and Quantum Gravity Theories include A. Meyer, G. Mitselmakher and M. Costa.

  1. 1 A. Meyer France 224k citations
  2. 2 G. Mitselmakher France 223k citations
  3. 3 M. Costa France 207k citations
  4. 4 Sau Lan Wu France 182k citations
  5. 5 Andrei V. Gritsan France 174k citations
  6. 6 Edward H. Witten United States 174k citations
  7. 7 A. Stahl Germany 170k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Noncommutative and Quantum Gravity Theories?

The most cited paper in Noncommutative and Quantum Gravity Theories is "Anti de Sitter space and holography" (Edward H. Witten, 1998), with 13,441 citations. Next come "The Large N Limit of Superconformal Field Theories and Supergravity" (10,713) and "Large Mass Hierarchy from a Small Extra Dimension" (9,373).

Most cited papers
#PaperReleasedCitations
1 Anti de Sitter space and holography Edward H. Witten · Advances in Theoretical and Mathematical Physics Open access 1998 13,441
2 The Large N Limit of Superconformal Field Theories and Supergravity Juan M. Maldacena Preprint 1998 10,713
3 Large Mass Hierarchy from a Small Extra Dimension Lisa Randall, Raman Sundrum · Physical Review Letters Open access 25 Oct 1999 9,373
4 The Large-N Limit of Superconformal Field Theories and Supergravity Juan Maldacena · International Journal of Theoretical Physics Open access Apr 1999 6,784
5 Neutrino Mass and Spontaneous Parity Nonconservation Rabindra Nath Mohapatra, Goran Senjanović · Physical Review Letters 7 Apr 1980 5,939
All 99 most cited papers, with filters and sorting

Where is Noncommutative and Quantum Gravity Theories research done?

The largest centres of Noncommutative and Quantum Gravity Theories research in 2022-now are Beijing (China), London (United Kingdom), Paris (France) and Moscow (Russia). Among places with at least 20 works in it, it is an unusually large share of all research in Famagusta.

Largest cities, 2022-now

  1. 1 BeijingChina 86 works
  2. 2 LondonUnited Kingdom 79 works
  3. 3 ParisFrance 59 works
  4. 4 MoscowRussia 58 works
  5. 5 MadridSpain 55 works
  6. 6 WaterlooCanada 44 works
  7. 7 KolkataIndia 40 works
  8. 8 Mexico CityMexico 35 works
  9. 9 WarsawPoland 35 works
  10. 10 TokyoJapan 35 works

Where it is the local speciality

  1. FamagustaCY · 21.1 works82×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Noncommutative and Quantum Gravity Theories than the world average.

See Noncommutative and Quantum Gravity Theories on the map

Where is the best place to study Noncommutative and Quantum Gravity Theories?

Among universities, judged by research, Universidad Autónoma de Madrid, Eastern Mediterranean University and Princeton 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.

0%20%40%mean 24.6%fractional works in this field (log) →share of work in the world top 10% →Princeton UniversityUniversity of OxfordEastern Mediterranea…Universidad Autónoma…
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Universidad Autónoma de MadridSpain 71.221.7%14.2×29 +15.7%
2Eastern Mediterranean UniversityCyprus 69.423.9%93.2×21 +116.1%
3Princeton UniversityUnited States 68.341.8%9.1×14 -10.3%
4University of OxfordUnited Kingdom 58.631.7%3.1×16 +15.4%
5National University of SingaporeSingapore 58.52.1%7.0×29 +586.3%
6Khazar UniversityAzerbaijan 58.325.0%102.4×11 -
7California Institute of TechnologyUnited States 57.933.1%9.8×12 -8.4%
8University of WaterlooCanada 57.416.9%8.6×17 +39.3%
9Massachusetts Institute of TechnologyUnited States 57.132.9%4.7×12 +17.3%
10Queen Mary University of LondonUnited Kingdom 56.516.9%11.3×17 +13.8%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Noncommutative and Quantum Gravity Theories, country by country

Is Noncommutative and Quantum Gravity Theories research growing?

Output in 2022-2025 was 3% lower than in 2018-2021, peaking in 2016.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Noncommutative and Quantum Gravity Theories as a percentage of every work published that year, 0.013% in 2024.

still counting0.020%0.040%0.060%Noncommutative and Quantum Gravity Theories0.016% in 202519801990200020102020

Fractional works of Noncommutative and Quantum Gravity Theories over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Noncommutative and Quantum Gravity Theories11.1% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

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.

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