Mar de Dirac

ca

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Mar de Dirac

Quality:

Dirac sea - ground state of a fermionic field; thought of as a "sea" of negative-energy states that have been all filled in, thus rendering the vaccum stable. Article “Mar de Dirac” in Catalan Wikipedia has 27.6 points for quality (as of July 1, 2026). The article contains 11 references and 6 sections.

This article has the best quality in Latin Wikipedia. However, the most popular language version of this article is English.

In June 2026 the article “Mar de Dirac” was edited by 2 authors in Catalan Wikipedia and written by 2 authors in all languages.

Since the creation of article “Mar de Dirac”, its content was written by 2 registered users of Catalan Wikipedia and edited by 399 registered Wikipedia users in all languages.

The article is cited 8 times in Catalan Wikipedia and cited 199 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Catalan): #4231 in May 2026
  • Global: #6419 in October 2003

The highest popularity rank from 2008:

  • Local (Catalan): #235230 in February 2010
  • Global: #68641 in July 2019

There are 20 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, 2026 (including revision history and pageviews for previous years).

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

Languages with the highest quality

#LanguageQuality gradeQuality score
1Latin (la)
Mare Diracianum
27.604
2Catalan (ca)
Mar de Dirac
27.5986
3English (en)
Dirac sea
27.3939
4Arabic (ar)
بحر ديراك
22.0062
5Korean (ko)
디랙의 바다
21.001
6Turkish (tr)
Dirac denizi
16.7063
7Russian (ru)
Море Дирака
15.0999
8Polish (pl)
Morze Diraca
14.9242
9Portuguese (pt)
Teoria dos buracos
13.573
10Japanese (ja)
ディラックの海
10.7807
More...

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

Most popular in all the time

The most popular language versions of the article "Mar de Dirac" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Dirac sea
1 009 827
2Japanese (ja)
ディラックの海
361 782
3Russian (ru)
Море Дирака
268 975
4Spanish (es)
Mar de Dirac
238 510
5Chinese (zh)
狄拉克之海
191 423
6German (de)
Dirac-See
171 843
7Italian (it)
Mare di Dirac
120 619
8Polish (pl)
Morze Diraca
55 977
9French (fr)
Mer de Dirac
44 985
10Portuguese (pt)
Teoria dos buracos
38 704
More...

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

Most popular in June 2026

The most popular language versions of the article "Mar de Dirac" in June 2026
#LanguagePopularity awardRelative popularity
1English (en)
Dirac sea
3 079
2Japanese (ja)
ディラックの海
1 109
3Russian (ru)
Море Дирака
695
4Chinese (zh)
狄拉克之海
518
5Spanish (es)
Mar de Dirac
411
6Italian (it)
Mare di Dirac
389
7German (de)
Dirac-See
260
8Polish (pl)
Morze Diraca
182
9French (fr)
Mer de Dirac
151
10Korean (ko)
디랙의 바다
77
More...

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

The highest AI

Language versions of the article "Mar de Dirac" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Dirac sea
123
2German (de)
Dirac-See
46
3Italian (it)
Mare di Dirac
32
4Russian (ru)
Море Дирака
28
5Dutch (nl)
Diraczee
24
6Hebrew (he)
הים של דיראק
22
7Spanish (es)
Mar de Dirac
17
8Portuguese (pt)
Teoria dos buracos
15
9Chinese (zh)
狄拉克之海
15
10Polish (pl)
Morze Diraca
14
More...

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

The highest AI in June 2026

Language versions of the article "Mar de Dirac" with the highest AI in June 2026
#LanguageAI awardRelative AI
1Catalan (ca)
Mar de Dirac
2
2Arabic (ar)
بحر ديراك
0
3German (de)
Dirac-See
0
4English (en)
Dirac sea
0
5Spanish (es)
Mar de Dirac
0
6Persian (fa)
دریای دیراک
0
7Finnish (fi)
Diracin meri
0
8French (fr)
Mer de Dirac
0
9Hebrew (he)
הים של דיראק
0
10Italian (it)
Mare di Dirac
0
More...

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

The highest CI

Language versions of the article "Mar de Dirac" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Dirac sea
43
2German (de)
Dirac-See
15
3Spanish (es)
Mar de Dirac
15
4Japanese (ja)
ディラックの海
15
5Russian (ru)
Море Дирака
14
6Chinese (zh)
狄拉克之海
12
7Arabic (ar)
بحر ديراك
10
8Italian (it)
Mare di Dirac
10
9Catalan (ca)
Mar de Dirac
8
10Portuguese (pt)
Teoria dos buracos
8
More...

Scores

Estimated value for Wikipedia:
Catalan:
Global:
Popularity in June 2026:
Catalan:
Global:
Popularity in all years:
Catalan:
Global:
Authors in June 2026:
Catalan:
Global:
Registered authors in all years:
Catalan:
Global:
Citations:
Catalan:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
بحر ديراك
caCatalan
Mar de Dirac
deGerman
Dirac-See
enEnglish
Dirac sea
esSpanish
Mar de Dirac
faPersian
دریای دیراک
fiFinnish
Diracin meri
frFrench
Mer de Dirac
heHebrew
הים של דיראק
itItalian
Mare di Dirac
jaJapanese
ディラックの海
koKorean
디랙의 바다
laLatin
Mare Diracianum
nlDutch
Diraczee
plPolish
Morze Diraca
ptPortuguese
Teoria dos buracos
ruRussian
Море Дирака
slSlovenian
Diracovo morje
trTurkish
Dirac denizi
zhChinese
狄拉克之海

Popularity rank trends

Best Rank Catalan:
#235230
02.2010
Global:
#68641
07.2019

AI rank trends

Best Rank Catalan:
#4231
05.2026
Global:
#6419
10.2003

Local AI rank history

Global AI rank history

Languages comparison

Important global interconnections (July 2025 – June 2026)

Wikipedia readers most often find their way to information on Dirac sea from Wikipedia articles about Paul Adrien Maurice Dirac, Angel, Extended periodic table, Positron and Dirac equation. Whereas reading the article about Dirac sea people most often go to Wikipedia articles on Quantum field theory, Dirac equation, Paul Adrien Maurice Dirac, Higgs mechanism and Positron.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 1 July 2026

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In Catalan Wikipedia the most popular articles on that day were: República Democràtica del Congo, Rafael Yuste i Abel, Juan Fernández Benítez, Pere Casacuberta Camps, Rudi García, Marcel Lefebvre, Michael Olise, Marta Montaner Santomà, Vito Quiles, Fèlix el gat.

About WikiRank

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 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information