Class information for:
Level 4: PHYSICS, PARTICLES & FIELDS//PHYSICS, NUCLEAR//OPTICS

Basic class information

Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes

The table includes all classes above and classes immediately below the current class.



Cluster id Level Cluster label #P
13 4 PHYSICS, PARTICLES & FIELDS//PHYSICS, NUCLEAR//OPTICS 1062565
7 3       PHYSICS, PARTICLES & FIELDS//PHYSICAL REVIEW D//JOURNAL OF HIGH ENERGY PHYSICS 157217
19 3       PHYSICS, PARTICLES & FIELDS//PHYSICS, NUCLEAR//PHYSICAL REVIEW D 124192
33 3       OPTICS//IEEE PHOTONICS TECHNOLOGY LETTERS//JOURNAL OF LIGHTWAVE TECHNOLOGY 112980
59 3       PHYSICAL REVIEW C//PHYSICS, NUCLEAR//NUCLEAR PHYSICS A 93557
111 3       PHYSICS, PARTICLES & FIELDS//PHYSICAL REVIEW D//PHYSICS LETTERS B 72710
140 3       PHYSICAL REVIEW A//QUANTUM INFORMATION PROCESSING//PHYSICS, MULTIDISCIPLINARY 66484
141 3       PHYSICAL REVIEW A//OPTICS//PHYSICS, ATOMIC, MOLECULAR & CHEMICAL 66180
228 3       PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS//NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT//FREE ELECTRON LASER 48839
263 3       OPTICS//APPLIED OPTICS//OPTICS AND LASERS IN ENGINEERING 45499
269 3       PHYSICS OF PLASMAS//PHYSICS, FLUIDS & PLASMAS//LASER AND PARTICLE BEAMS 44532
288 3       RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING//MEDICAL PHYSICS//PHYSICS IN MEDICINE AND BIOLOGY 42971
335 3       JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS//PHYSICAL REVIEW A//PHYSICS, ATOMIC, MOLECULAR & CHEMICAL 37816
422 3       NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT//JOURNAL OF INSTRUMENTATION//NUCLEAR SCIENCE & TECHNOLOGY 30134
455 3       OPTICS//JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION//ATMOSPHERIC TURBULENCE 26212
456 3       LITHIUM NIOBATE//OPTICS//LINBO3 26210
467 3       JOURNAL OF MOLECULAR SPECTROSCOPY//QUANTUM CASCADE LASER//JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER 25858
593 3       JOURNAL OF LOW TEMPERATURE PHYSICS//QUANTUM TURBULENCE//SUPERFLUID HE 3 14909
632 3       CASIMIR EFFECT//CASIMIR FORCE//THERMOPHOTOVOLTAICS 12239
680 3       NEUTRON RADIOGRAPHY//ULTRACOLD NEUTRONS//JOURNAL OF APPLIED CRYSTALLOGRAPHY 8894
721 3       INTENSE LASER PHYS THEORY UNIT//B 3 FIELD//LUDWIGITE 5132

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PHYSICS, PARTICLES & FIELDS WoSSC 6947599 27% 89% 285484
2 PHYSICS, NUCLEAR WoSSC 3647379 17% 73% 185875
3 OPTICS WoSSC 2572601 21% 45% 227153
4 PHYSICAL REVIEW D journal 1744259 6% 95% 66891
5 PHYSICS, MULTIDISCIPLINARY WoSSC 1375720 18% 31% 187695
6 PHYS address 1224280 20% 25% 215423
7 PHYSICS LETTERS B journal 1180751 4% 95% 44955
8 ASTRONOMY & ASTROPHYSICS WoSSC 1163333 15% 31% 157283
9 PHYSICAL REVIEW C journal 823034 3% 97% 30584
10 PHYSICAL REVIEW A journal 816844 4% 68% 45046

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Physics, Particles & Fields 6947599 27% 89% 285484
2 Physics, Nuclear 3647379 17% 73% 185875
3 Optics 2572601 21% 45% 227153
4 Physics, Multidisciplinary 1375720 18% 31% 187695
5 Astronomy & Astrophysics 1163333 15% 31% 157283
6 Physics, Atomic, Molecular & Chemical 361397 8% 20% 89646
7 Nuclear Science & Technology 294081 6% 23% 59052
8 Instruments & Instrumentation 252328 6% 20% 60288
9 Physics, Mathematical 200051 5% 20% 47884
10 Spectroscopy 189767 4% 20% 45499

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PHYS 1224280 20% 25% 215423
2 THEORET PHYS 573701 4% 57% 38543
3 PHYS ASTRON 296179 4% 28% 45955
4 DIPARTIMENTO FIS 180764 2% 42% 17124
5 HIGH ENERGY PHYS 177790 1% 66% 10122
6 IN2P3 175166 1% 79% 8103
7 KERNPHYS 168792 1% 90% 6827
8 FIS 152405 2% 29% 22830
9 PARTICLE PHYS 147652 1% 88% 6080
10 NUCL PHYS 129418 1% 62% 7920

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PHYSICAL REVIEW D 1744259 6% 95% 66891
2 PHYSICS LETTERS B 1180751 4% 95% 44955
3 PHYSICAL REVIEW C 823034 3% 97% 30584
4 PHYSICAL REVIEW A 816844 4% 68% 45046
5 JOURNAL OF HIGH ENERGY PHYSICS 631738 2% 98% 23426
6 NUCLEAR PHYSICS A 558375 2% 97% 20917
7 NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 534847 3% 69% 28673
8 NUCLEAR PHYSICS B 468149 2% 87% 19661
9 PHYSICAL REVIEW LETTERS 282921 3% 35% 32981
10 OPTICS LETTERS 270922 2% 59% 17481

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 ADS CFT CORRESPONDENCE 108155 0% 99% 3958 Search ADS+CFT+CORRESPONDENCE Search ADS+CFT+CORRESPONDENCE
2 D BRANES 73985 0% 98% 2726 Search D+BRANES Search D+BRANES
3 BLACK HOLES 72981 0% 83% 3221 Search BLACK+HOLES Search BLACK+HOLES
4 BEYOND STANDARD MODEL 66450 0% 100% 2410 Search BEYOND+STANDARD+MODEL Search BEYOND+STANDARD+MODEL
5 QCD 54356 0% 99% 1988 Search QCD Search QCD
6 OPTICAL COMMUNICATION 48339 0% 71% 2519 Search OPTICAL+COMMUNICATION Search OPTICAL+COMMUNICATION
7 GAUGE GRAVITY CORRESPONDENCE 48286 0% 100% 1752 Search GAUGE+GRAVITY+CORRESPONDENCE Search GAUGE+GRAVITY+CORRESPONDENCE
8 COSMOLOGY OF THEORIES BEYOND THE SM 44037 0% 97% 1646 Search COSMOLOGY+OF+THEORIES+BEYOND+THE+SM Search COSMOLOGY+OF+THEORIES+BEYOND+THE+SM
9 FIBER LASER 43957 0% 83% 1951 Search FIBER+LASER Search FIBER+LASER
10 OPTICAL FIBER COMMUNICATION 41200 0% 82% 1833 Search OPTICAL+FIBER+COMMUNICATION Search OPTICAL+FIBER+COMMUNICATION

Core articles

The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 4



rank cluster_id2 link
1 23 ASTRONOMY & ASTROPHYSICS//ASTROPHYSICAL JOURNAL//ASTRON
2 14 MATHEMATICS//MATHEMATICS, APPLIED//MATH
3 1 PHYSICS, CONDENSED MATTER//PHYSICS, APPLIED//MATERIALS SCIENCE, MULTIDISCIPLINARY
4 8 POLYMER SCIENCE//CHEMISTRY, PHYSICAL//MATERIALS SCIENCE, MULTIDISCIPLINARY
5 26 ENGINEERING, ELECTRICAL & ELECTRONIC//ELECT ENGN//IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
6 15 METALLURGY & METALLURGICAL ENGINEERING//MATERIALS SCIENCE, MULTIDISCIPLINARY//MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
7 6 CHEMISTRY, ORGANIC//CHEMISTRY, INORGANIC & NUCLEAR//CHEMISTRY, MULTIDISCIPLINARY
8 21 THERMODYNAMICS//MECHANICS//ENGINEERING, MECHANICAL
9 12 COMPUTER SCIENCE, THEORY & METHODS//COMPUTER SCIENCE, INFORMATION SYSTEMS//COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE
10 22 AUTOMATION & CONTROL SYSTEMS//ENGINEERING, CIVIL//ACOUSTICS

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