Teorema di Ehrenfest

Ehrenfest theorem - theorem that the time evolution of the expectation value of a quantum observable is proportional to that of the commutator between the observable and the Hamiltonian (plus that of any explicit time dependence of the operator, if any). Article "Teorema di Ehrenfest" in Italian Wikipedia has 15.2 points for quality (as of November 1, 2023). The article contains 4 references and 9 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that language version.

Since the creation of article "Teorema di Ehrenfest", its content was written by 39 registered users of Italian Wikipedia and edited by 277 registered Wikipedia users in all languages.

The article is cited 5 times in Italian Wikipedia and cited 551 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Italian): #803 in November 2004
• Global: #29887 in June 2006

The highest popularity rank from 2008:

• Local (Italian): #67739 in January 2008
• Global: #139907 in September 2008

There are 23 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from November 1, 2023 (including revision history and pageviews for previous years).

下表顯示了最高品質的文章的語言版本。

#	Language	Quality grade	Quality score
1	English (en) Ehrenfest theorem		24.138
2	Chinese (zh) 埃倫費斯特定理		23.0106
3	Hebrew (he) משפט ארנפסט		22.3316
4	Vietnamese (vi) Định lý Ehrenfest		15.4374
5	Italian (it) Teorema di Ehrenfest		15.2201
6	Ukrainian (uk) Теорема Еренфеста		15.1184
7	Finnish (fi) Ehrenfestin teoreema		13.1395
8	Indonesian (id) Teorema Ehrenfest		12.7374
9	Korean (ko) 에렌페스트 정리		10.7804
10	Russian (ru) Теорема Эренфеста		10.4381

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "Teorema di Ehrenfest" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Ehrenfest theorem		744 866
2	German (de) Ehrenfest-Theorem		203 548
3	Japanese (ja) エーレンフェストの定理		87 288
4	Russian (ru) Теорема Эренфеста		71 139
5	French (fr) Théorème d'Ehrenfest		60 490
6	Spanish (es) Teorema de Ehrenfest		57 754
7	Italian (it) Teorema di Ehrenfest		53 873
8	Chinese (zh) 埃倫費斯特定理		39 964
9	Portuguese (pt) Teorema de Ehrenfest		27 056
10	Polish (pl) Twierdzenie Ehrenfesta		26 534

More...

The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Teorema di Ehrenfest" in October 2023

#	Language	Popularity award	Relative popularity
1	English (en) Ehrenfest theorem		6 880
2	German (de) Ehrenfest-Theorem		951
3	Spanish (es) Teorema de Ehrenfest		583
4	Japanese (ja) エーレンフェストの定理		556
5	French (fr) Théorème d'Ehrenfest		512
6	Italian (it) Teorema di Ehrenfest		474
7	Chinese (zh) 埃倫費斯特定理		341
8	Russian (ru) Теорема Эренфеста		331
9	Korean (ko) 에렌페스트 정리		152
10	Portuguese (pt) Teorema de Ehrenfest		136

More...

The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Teorema di Ehrenfest" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Ehrenfest theorem		67
2	Italian (it) Teorema di Ehrenfest		39
3	German (de) Ehrenfest-Theorem		36
4	French (fr) Théorème d'Ehrenfest		22
5	Russian (ru) Теорема Эренфеста		16
6	Polish (pl) Twierdzenie Ehrenfesta		15
7	Japanese (ja) エーレンフェストの定理		11
8	Chinese (zh) 埃倫費斯特定理		10
9	Greek (el) Θεώρημα του Έρενφεστ		8
10	Czech (cs) Ehrenfestovy teorémy		7

More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Teorema di Ehrenfest" with the highest AI in October 2023

#	Language	AI award	Relative AI
1	Arabic (ar) مبرهنة إيهرينفيست		0
2	Belarusian (be) Тэарэма Эрэнфеста		0
3	Bulgarian (bg) Теорема на Еренфест		0
4	Czech (cs) Ehrenfestovy teorémy		0
5	German (de) Ehrenfest-Theorem		0
6	Greek (el) Θεώρημα του Έρενφεστ		0
7	English (en) Ehrenfest theorem		0
8	Spanish (es) Teorema de Ehrenfest		0
9	Persian (fa) قضیه ارنفست		0
10	Finnish (fi) Ehrenfestin teoreema		0

More...

The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Teorema di Ehrenfest" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Portuguese (pt) Teorema de Ehrenfest		121
2	Russian (ru) Теорема Эренфеста		87
3	Polish (pl) Twierdzenie Ehrenfesta		79
4	Japanese (ja) エーレンフェストの定理		62
5	Ukrainian (uk) Теорема Еренфеста		56
6	English (en) Ehrenfest theorem		38
7	Belarusian (be) Тэарэма Эрэнфеста		22
8	French (fr) Théorème d'Ehrenfest		15
9	German (de) Ehrenfest-Theorem		14
10	Chinese (zh) 埃倫費斯特定理		12

More...

#	Language	Value
ar	Arabic مبرهنة إيهرينفيست
be	Belarusian Тэарэма Эрэнфеста
bg	Bulgarian Теорема на Еренфест
cs	Czech Ehrenfestovy teorémy
de	German Ehrenfest-Theorem
el	Greek Θεώρημα του Έρενφεστ
en	English Ehrenfest theorem
es	Spanish Teorema de Ehrenfest
fa	Persian قضیه ارنفست
fi	Finnish Ehrenfestin teoreema
fr	French Théorème d'Ehrenfest
he	Hebrew משפט ארנפסט
id	Indonesian Teorema Ehrenfest
it	Italian Teorema di Ehrenfest
ja	Japanese エーレンフェストの定理
ko	Korean 에렌페스트 정리
pl	Polish Twierdzenie Ehrenfesta
pt	Portuguese Teorema de Ehrenfest
ru	Russian Теорема Эренфеста
sl	Slovenian Ehrenfestov izrek
uk	Ukrainian Теорема Еренфеста
vi	Vietnamese Định lý Ehrenfest
zh	Chinese 埃倫費斯特定理

Best Rank

Italian: #67739 01.2008

Global: #139907 09.2008

Best Rank

Italian: #803 11.2004

Global: #29887 06.2006

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from November, 2023. When calculating current popularity and AI of articles data from October 2023 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2023... More information