Class information for:
Level 2: PHYSICS ESSAYS//SPECIAL RELATIVITY//AMERICAN JOURNAL OF PHYSICS

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
2949 2             PHYSICS ESSAYS//SPECIAL RELATIVITY//AMERICAN JOURNAL OF PHYSICS 2905
12205 1                   SPECIAL RELATIVITY//TWIN PARADOX//PHYSICS ESSAYS 953
19194 1                   ABRAHAM MINKOWSKI CONTROVERSY//ABRAHAM MOMENTUM//MINKOWSKI MOMENTUM 540
22687 1                   HELMHOLTZ THEOREM//JEFIMENKOS EQUATIONS//RADIATIVE INTERFERENCE 394
23745 1                   SUBQUANTUM KINETICS//WEBERS ELECTRODYNAMICS//WEBER POTENTIAL 359
29084 1                   EUCLIDEAN SPACE TIME//ELLIPTIC TYPE INTEGRALS//ABSOLUTE SPACE TIME 211
30684 1                   2 SLIT EXPERIMENT//3005 ALUMINUM ALLOY//ASPECT EXPERIMENT 179
33673 1                   PHYSICS ESSAYS//DUAL CHARGED FLUIDS//PHOTEX 135
33741 1                   FIELD CHARGES//EFFECTIVE RIEMANN METRIC TENSOR//ELECTRO KINETIC MOMENT 134

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PHYSICS ESSAYS journal 943951 10% 31% 281
2 SPECIAL RELATIVITY authKW 561446 5% 33% 155
3 AMERICAN JOURNAL OF PHYSICS journal 446895 18% 8% 537
4 TWIN PARADOX authKW 183302 1% 65% 26
5 EUROPEAN JOURNAL OF PHYSICS journal 170394 6% 8% 186
6 LORENTZ TRANSFORMATION authKW 160140 2% 31% 48
7 TIME DILATION authKW 138328 1% 49% 26
8 EUCLIDEAN SPACE TIME authKW 130168 0% 100% 12
9 ABRAHAM MINKOWSKI CONTROVERSY authKW 111569 0% 86% 12
10 LENGTH CONTRACTION authKW 109375 0% 92% 11

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Education, Scientific Disciplines 80544 26% 1% 743
2 Physics, Multidisciplinary 60729 65% 0% 1894
3 History & Philosophy of Science 796 2% 0% 56
4 Optics 547 7% 0% 207
5 Physics, Particles & Fields 529 5% 0% 155
6 Physics, Mathematical 349 4% 0% 109
7 Nuclear Science & Technology 216 3% 0% 95
8 Physics, Atomic, Molecular & Chemical 142 4% 0% 119
9 Astronomy & Astrophysics 72 4% 0% 104
10 Physics, Nuclear 69 2% 0% 64

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INFORMAT PROBLEMS 58058 1% 18% 29
2 BC SYST 21695 0% 100% 2
3 UNITE LOG PHILOSOPHIE SCI 21695 0% 100% 2
4 NIPPON ADV INFORMAT SERV 16268 0% 50% 3
5 VIBRAC ONDAS 14462 0% 67% 2
6 WERNHER VON BRAUN ADV 14462 0% 67% 2
7 ADV SCI TEACHING LEARNING 10847 0% 100% 1
8 ASTRONAUT SPACE 10847 0% 100% 1
9 CEWD S 205 10847 0% 100% 1
10 CNRSCEACE SACLAYUMR 7164SERV ASTROPHYS 10847 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PHYSICS ESSAYS 943951 10% 31% 281
2 AMERICAN JOURNAL OF PHYSICS 446895 18% 8% 537
3 EUROPEAN JOURNAL OF PHYSICS 170394 6% 8% 186
4 FOUNDATIONS OF PHYSICS LETTERS 78738 2% 10% 72
5 FOUNDATIONS OF PHYSICS 55401 4% 4% 122
6 SPECULATIONS IN SCIENCE AND TECHNOLOGY 24430 1% 9% 25
7 LETTERE AL NUOVO CIMENTO 7761 1% 2% 36
8 NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA B-BASIC TOPICS IN PHYSICS 7610 1% 2% 41
9 NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA B-GENERAL PHYSICS RELATIVITY ASTRONOMY AND MATHEMATICAL PHYSICS AND METHODS 7343 1% 2% 32
10 STUDIES IN HISTORY AND PHILOSOPHY OF MODERN PHYSICS 6709 1% 3% 20

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 SPECIAL RELATIVITY 561446 5% 33% 155 Search SPECIAL+RELATIVITY Search SPECIAL+RELATIVITY
2 TWIN PARADOX 183302 1% 65% 26 Search TWIN+PARADOX Search TWIN+PARADOX
3 LORENTZ TRANSFORMATION 160140 2% 31% 48 Search LORENTZ+TRANSFORMATION Search LORENTZ+TRANSFORMATION
4 TIME DILATION 138328 1% 49% 26 Search TIME+DILATION Search TIME+DILATION
5 EUCLIDEAN SPACE TIME 130168 0% 100% 12 Search EUCLIDEAN+SPACE+TIME Search EUCLIDEAN+SPACE+TIME
6 ABRAHAM MINKOWSKI CONTROVERSY 111569 0% 86% 12 Search ABRAHAM+MINKOWSKI+CONTROVERSY Search ABRAHAM+MINKOWSKI+CONTROVERSY
7 LENGTH CONTRACTION 109375 0% 92% 11 Search LENGTH+CONTRACTION Search LENGTH+CONTRACTION
8 ELLIPTIC TYPE INTEGRALS 108473 0% 100% 10 Search ELLIPTIC+TYPE+INTEGRALS Search ELLIPTIC+TYPE+INTEGRALS
9 ABSOLUTE SPACE TIME 98610 0% 91% 10 Search ABSOLUTE+SPACE+TIME Search ABSOLUTE+SPACE+TIME
10 CLOCK PARADOX 86779 0% 100% 8 Search CLOCK+PARADOX Search CLOCK+PARADOX

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 2


rank cluster_id2 link
1 1891 CLIFFORD ANALYSIS//ADVANCES IN APPLIED CLIFFORD ALGEBRAS//CLIFFORD GRP
2 3815 KADANOFF THEORET PHYS//PAIS UHLENBECK OSCILLATOR//SCHRODINGER INVARIANCE
3 2657 INTENSE LASER PHYS THEORY UNIT//B 3 FIELD//RADIATION REACTION
4 3396 FINSLER METRIC//FINSLER MANIFOLD//ALPHA BETA METRIC
5 3674 CAPACITANCE EXTRACTION//UNITE PHYS DISPOSITIFS SEMICOND//UPDS
6 3773 OPERATIONAL EQUATIONS//PLASMA COSMOLOGY//DULKYN SCI GRAVITAT WAVE
7 2376 TIME OPERATOR//QUANTUM ZENO EFFECT//TUNNELING TIME
8 3559 LUDWIGITE//BORACITES//GAFEO3
9 1444 HISTORY & PHILOSOPHY OF SCIENCE//PHILOSOPHY OF SCIENCE//BRITISH JOURNAL FOR THE PHILOSOPHY OF SCIENCE
10 745 LIGO//CLASSICAL AND QUANTUM GRAVITY//GRAVITATIONAL WAVES

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