Fidelity of quantum states

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Fidelity of quantum states

Quality:

Fidelity of quantum states - measure of the closeness of two quantum states. Article “Fidelity of quantum states” in English Wikipedia has 37.6 points for quality (as of July 1, 2025). The article contains 16 references and 16 sections.

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

Since the creation of article “Fidelity of quantum states”, its content was written by 36 registered users of English Wikipedia and edited by 60 registered Wikipedia users in all languages.

The article is cited 41 times in English Wikipedia and cited 58 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #70409 in February 2020
  • Global: #131588 in June 2021

The highest popularity rank from 2008:

  • Local (English): #248181 in November 2023
  • Global: #415733 in November 2023

There are 5 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Fidelity of quantum states
37.5511
2German (de)
Fidelität
25.385
3Catalan (ca)
Fidelitat dels estats quàntics
16.9044
4Portuguese (pt)
Fidelidade dos estados quânticos
12.5679
5Persian (fa)
وفاداری حالات کوانتومی
11.8208
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 "Fidelity of quantum states" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Fidelity of quantum states
354 184
2Portuguese (pt)
Fidelidade dos estados quânticos
9 347
3German (de)
Fidelität
5 572
4Persian (fa)
وفاداری حالات کوانتومی
238
5Catalan (ca)
Fidelitat dels estats quàntics
48
More...

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

Most popular in June 2025

The most popular language versions of the article "Fidelity of quantum states" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Fidelity of quantum states
3 420
2German (de)
Fidelität
97
3Portuguese (pt)
Fidelidade dos estados quânticos
14
4Persian (fa)
وفاداری حالات کوانتومی
10
5Catalan (ca)
Fidelitat dels estats quàntics
7
More...

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

The highest AI

Language versions of the article "Fidelity of quantum states" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Fidelity of quantum states
36
2Portuguese (pt)
Fidelidade dos estados quânticos
10
3German (de)
Fidelität
8
4Persian (fa)
وفاداری حالات کوانتومی
5
5Catalan (ca)
Fidelitat dels estats quàntics
1
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 2025

Language versions of the article "Fidelity of quantum states" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Catalan (ca)
Fidelitat dels estats quàntics
0
2German (de)
Fidelität
0
3English (en)
Fidelity of quantum states
0
4Persian (fa)
وفاداری حالات کوانتومی
0
5Portuguese (pt)
Fidelidade dos estados quânticos
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 "Fidelity of quantum states" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Fidelity of quantum states
41
2Portuguese (pt)
Fidelidade dos estados quânticos
8
3German (de)
Fidelität
5
4Catalan (ca)
Fidelitat dels estats quàntics
3
5Persian (fa)
وفاداری حالات کوانتومی
1
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
caCatalan
Fidelitat dels estats quàntics
deGerman
Fidelität
enEnglish
Fidelity of quantum states
faPersian
وفاداری حالات کوانتومی
ptPortuguese
Fidelidade dos estados quânticos

Popularity rank trends

Best Rank English:
#248181
11.2023
Global:
#415733
11.2023

AI rank trends

Best Rank English:
#70409
02.2020
Global:
#131588
06.2021

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Fidelity of quantum states from Wikipedia articles about Trace distance, Bures metric, Quantum gate, Cambridge Quantum Computing and Fidelity. Whereas reading the article about Fidelity of quantum states people most often go to Wikipedia articles on Bures metric, Square root of a matrix, Bhattacharyya distance, Trace distance and Quantum state.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 16 March 2026

On 16 March 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 98th Academy Awards, Michael B. Jordan, Sinners, Jessie Buckley, Paul Thomas Anderson, Sean Penn, One Battle After Another, Amy Madigan, Hamnet, Timothée Chalamet.

In English Wikipedia the most popular articles on that day were: 98th Academy Awards, Michael B. Jordan, Paul Thomas Anderson, Jessie Buckley, Sinners (2025 film), Amy Madigan, Autumn Durald Arkapaw, Maya Rudolph, Sean Penn, Academy Awards.

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 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