Casimir effect

Quality:

Casimir effect - Physical force caused by virtual particles. Article “Casimir effect” in Simple English Wikipedia has 17.5 points for quality (as of July 1, 2025). The article contains 2 references and 3 sections.

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

Since the creation of article “Casimir effect”, its content was written by 5 registered users of Simple English Wikipedia and edited by 1261 registered Wikipedia users in all languages.

The article is cited 6 times in Simple English Wikipedia and cited 1312 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #4464 in June 2017
• Global: #1387 in December 2001

The highest popularity rank from 2008:

• Local (Simple English): #13176 in December 2021
• Global: #6698 in May 2008

There are 32 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 July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Casimir effect		68.1358
2	German (de) Casimir-Effekt		61.9544
3	Bulgarian (bg) Ефект на Казимир		46.583
4	Korean (ko) 카시미르 효과		41.9574
5	Turkish (tr) Casimir kuvveti		35.0764
6	French (fr) Effet Casimir		32.2911
7	Catalan (ca) Efecte Casimir		30.9729
8	Chinese (zh) 卡西米爾效應		27.2122
9	Russian (ru) Эффект Казимира		26.8194
10	Arabic (ar) تأثير كازيمير		26.0225

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

#	Language	Popularity award	Relative popularity
1	English (en) Casimir effect		4 847 486
2	Russian (ru) Эффект Казимира		816 372
3	German (de) Casimir-Effekt		656 129
4	Spanish (es) Efecto Casimir		569 705
5	French (fr) Effet Casimir		490 096
6	Japanese (ja) カシミール効果		246 726
7	Polish (pl) Efekt Casimira		226 172
8	Italian (it) Effetto Casimir		224 471
9	Portuguese (pt) Efeito Casimir		208 823
10	Chinese (zh) 卡西米爾效應		161 688

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

#	Language	Popularity award	Relative popularity
1	English (en) Casimir effect		18 563
2	Russian (ru) Эффект Казимира		2 383
3	German (de) Casimir-Effekt		1 738
4	French (fr) Effet Casimir		1 444
5	Spanish (es) Efecto Casimir		1 292
6	Japanese (ja) カシミール効果		1 040
7	Chinese (zh) 卡西米爾效應		1 007
8	Italian (it) Effetto Casimir		953
9	Korean (ko) 카시미르 효과		684
10	Polish (pl) Efekt Casimira		650

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

#	Language	AI award	Relative AI
1	English (en) Casimir effect		405
2	German (de) Casimir-Effekt		146
3	French (fr) Effet Casimir		98
4	Italian (it) Effetto Casimir		83
5	Russian (ru) Эффект Казимира		76
6	Dutch (nl) Casimireffect		51
7	Spanish (es) Efecto Casimir		50
8	Portuguese (pt) Efeito Casimir		34
9	Polish (pl) Efekt Casimira		32
10	Japanese (ja) カシミール効果		30

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

#	Language	AI award	Relative AI
1	English (en) Casimir effect		3
2	Belarusian (be) Эфект Казіміра		1
3	Bulgarian (bg) Ефект на Казимир		1
4	Spanish (es) Efecto Casimir		1
5	Basque (eu) Casimir efektua		1
6	Korean (ko) 카시미르 효과		1
7	Turkish (tr) Casimir kuvveti		1
8	Arabic (ar) تأثير كازيمير		0
9	Catalan (ca) Efecte Casimir		0
10	Czech (cs) Casimirův jev		0

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

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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 July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information