Class information for:
Level 1: SOLID PARAHYDROGEN//SOLID HYDROGEN//IMPURITY HELIUM SOLID

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
593 3       JOURNAL OF LOW TEMPERATURE PHYSICS//QUANTUM TURBULENCE//SUPERFLUID HE 3 14909
710 2             JOURNAL OF LOW TEMPERATURE PHYSICS//QUANTUM TURBULENCE//SUPERFLUID HE 3 13256
14932 1                   SOLID PARAHYDROGEN//SOLID HYDROGEN//IMPURITY HELIUM SOLID 767

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SOLID PARAHYDROGEN authKW 205448 1% 100% 5
2 SOLID HYDROGEN authKW 126237 2% 24% 13
3 IMPURITY HELIUM SOLID authKW 123269 0% 100% 3
4 AFRL PRSP address 114133 1% 56% 5
5 HD AND DT POLARIZATION authKW 82179 0% 100% 2
6 IMPURITIES AND DIFFUSION authKW 82179 0% 100% 2
7 IMPURITY HELIUM CONDENSATES authKW 82179 0% 100% 2
8 PERSISTENCE OF THE POLARIZATION authKW 82179 0% 100% 2
9 QUANTUM CRYSTALS address 82179 0% 100% 2
10 BRANCH ENERGY PROBLEMS CHEM PHYS address 80526 1% 28% 7

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Physics, Atomic, Molecular & Chemical 4342 30% 0% 230
2 Chemistry, Physical 2128 36% 0% 277
3 Physics, Applied 1065 26% 0% 198
4 Physics, Condensed Matter 955 20% 0% 153
5 Nuclear Science & Technology 463 8% 0% 60
6 Physics, Multidisciplinary 461 13% 0% 97
7 Spectroscopy 193 5% 0% 38
8 Instruments & Instrumentation 85 4% 0% 32
9 Physics, Nuclear 35 3% 0% 21
10 Physics, Particles & Fields 13 2% 0% 18

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 AFRL PRSP 114133 1% 56% 5
2 QUANTUM CRYSTALS 82179 0% 100% 2
3 BRANCH ENERGY PROBLEMS CHEM PHYS 80526 1% 28% 7
4 MODULAR S 63723 1% 14% 11
5 RWME 54785 0% 67% 2
6 SPECT GEN PHYS 54785 0% 67% 2
7 BRANCH TALROZE ENERGY PROBLEMS CHEM PHYS 46222 0% 38% 3
8 BEIHANG TRAINING 41090 0% 100% 1
9 DA GRP CRYOGENIE 41090 0% 100% 1
10 ENGN PROBLEMS CHEM PHYS 41090 0% 100% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 FIZIKA NIZKIKH TEMPERATUR 69859 9% 2% 72
2 JOURNAL OF LOW TEMPERATURE PHYSICS 20821 8% 1% 61
3 LOW TEMPERATURE PHYSICS 20524 5% 1% 40
4 RADIATION PHYSICS AND CHEMISTRY 4276 4% 0% 32
5 CANADIAN JOURNAL OF PHYSICS 3460 3% 0% 23
6 JOURNAL OF CHEMICAL PHYSICS 2707 10% 0% 77
7 JOURNAL OF PHYSICAL CHEMISTRY 2238 5% 0% 37
8 JOURNAL OF PHYSICAL CHEMISTRY A 1703 5% 0% 36
9 CHEMICAL PHYSICS LETTERS 1264 5% 0% 39
10 PHYSICAL REVIEW B 1100 9% 0% 70

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 SOLID PARAHYDROGEN 205448 1% 100% 5 Search SOLID+PARAHYDROGEN Search SOLID+PARAHYDROGEN
2 SOLID HYDROGEN 126237 2% 24% 13 Search SOLID+HYDROGEN Search SOLID+HYDROGEN
3 IMPURITY HELIUM SOLID 123269 0% 100% 3 Search IMPURITY+HELIUM+SOLID Search IMPURITY+HELIUM+SOLID
4 HD AND DT POLARIZATION 82179 0% 100% 2 Search HD+AND+DT+POLARIZATION Search HD+AND+DT+POLARIZATION
5 IMPURITIES AND DIFFUSION 82179 0% 100% 2 Search IMPURITIES+AND+DIFFUSION Search IMPURITIES+AND+DIFFUSION
6 IMPURITY HELIUM CONDENSATES 82179 0% 100% 2 Search IMPURITY+HELIUM+CONDENSATES Search IMPURITY+HELIUM+CONDENSATES
7 PERSISTENCE OF THE POLARIZATION 82179 0% 100% 2 Search PERSISTENCE+OF+THE+POLARIZATION Search PERSISTENCE+OF+THE+POLARIZATION
8 HYDROGEN DEUTERIDE 61631 0% 50% 3 Search HYDROGEN+DEUTERIDE Search HYDROGEN+DEUTERIDE
9 QUANTUM SOLIDS 43815 1% 13% 8 Search QUANTUM+SOLIDS Search QUANTUM+SOLIDS
10 ABSOLUTE REACTIONS 41090 0% 100% 1 Search ABSOLUTE+REACTIONS Search ABSOLUTE+REACTIONS

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 1



rank cluster_id2 link
1 11559 SUPERSOLID//SOLID HELIUM//SOLID HE 4
2 6052 HELIUM DROPLETS//ELECTRON BUBBLES//HELIUM NANODROPLETS
3 17205 RARE GAS SOLIDS//ACTIVATION SPECTROSCOPY//EXCITON INDUCED DEFECTS
4 36705 MULTIMINIMUM POTENTIAL//AA GALKIN PHYSICOTECH//ANOMALIES OF PHYSICAL PROPERTIES
5 14676 QUADRUPOLAR GLASS//ALKALI CYANIDE//PHONON DISPERSION CURVES PDCS
6 8379 DONETSK AA GALKIN PHYS TECHNOL//HIGH PRESSURE APPARATUS//PRESSURE INDUCED MAGNETIC PHASE TRANSITION
7 10525 DISTONIC DIMER RADICAL CATION//MATRIX ISOLATION STUDY//ALKANE RADICAL CATIONS
8 23311 LABORATORY ASTROCHEMISTRY//IONIC HYDROGEN CLUSTERS//HYDROGEN CLUSTER IONS
9 37439 SCI TECHNOLLISA//BAND STRUCTURE METHODS//CALCIUM PHYSISORPTION
10 9443 PROPRIETES OPT MAT PLICAT//COLLISION INDUCED LIGHT SCATTERING//FULLERENE CLUSTER

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