Measurement in quantum mechanics

en

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Measurement in quantum mechanics

Quality:

Measurement in quantum mechanics - interaction of a quantum system with a classical observer. Article "Measurement in quantum mechanics" in English Wikipedia has 85.6 points for quality (as of July 1, 2025). The article contains 109 references and 24 sections.

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

In June 2025 the article "Measurement in quantum mechanics" was edited by 3 authors in English Wikipedia and written by 5 authors in all languages.

Since the creation of article "Measurement in quantum mechanics", its content was written by 176 registered users of English Wikipedia and edited by 370 registered Wikipedia users in all languages.

The article is cited 359 times in English Wikipedia and cited 1506 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #3950 in April 2004
  • Global: #16303 in April 2004

The highest popularity rank from 2008:

  • Local (English): #115285 in June 2008
  • Global: #158107 in November 2014

There are 15 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)
Measurement in quantum mechanics
85.6003
2Spanish (es)
Medición en la mecánica cuántica
72.6283
3Czech (cs)
Kvantové měření
59.415
4German (de)
Quantenmechanische Messung
33.2317
5Chinese (zh)
量子測量
27.789
6Catalan (ca)
Mesura en mecànica quàntica
25.0848
7Danish (da)
Kvantemekanisk måling
13.8748
8Portuguese (pt)
Medição em mecânica quântica
12.5573
9Persian (fa)
اندازه‌گیری در مکانیک کوانتومی
11.4194
10Ukrainian (uk)
Вимірювання (квантова механіка)
4.9695
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 "Measurement in quantum mechanics" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Measurement in quantum mechanics
1 054 107
2German (de)
Quantenmechanische Messung
200 642
3Russian (ru)
Измерение (квантовая механика)
135 016
4Chinese (zh)
量子測量
57 229
5Japanese (ja)
量子測定理論
29 986
6Persian (fa)
اندازه‌گیری در مکانیک کوانتومی
20 216
7Arabic (ar)
القياس في ميكانيكا الكم
14 610
8Polish (pl)
Pomiar w mechanice kwantowej
12 212
9Portuguese (pt)
Medição em mecânica quântica
5 064
10Czech (cs)
Kvantové měření
3 767
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 "Measurement in quantum mechanics" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Measurement in quantum mechanics
5 359
2German (de)
Quantenmechanische Messung
531
3Russian (ru)
Измерение (квантовая механика)
334
4Chinese (zh)
量子測量
256
5Japanese (ja)
量子測定理論
160
6Spanish (es)
Medición en la mecánica cuántica
119
7Danish (da)
Kvantemekanisk måling
112
8Czech (cs)
Kvantové měření
53
9Persian (fa)
اندازه‌گیری در مکانیک کوانتومی
48
10Portuguese (pt)
Medição em mecânica quântica
46
More...

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

The highest AI

Language versions of the article "Measurement in quantum mechanics" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Measurement in quantum mechanics
176
2German (de)
Quantenmechanische Messung
91
3Russian (ru)
Измерение (квантовая механика)
18
4Chinese (zh)
量子測量
17
5Persian (fa)
اندازه‌گیری در مکانیک کوانتومی
10
6Hindi (hi)
क्वाण्टम यान्त्रिकीय मापन
10
7Arabic (ar)
القياس في ميكانيكا الكم
8
8Czech (cs)
Kvantové měření
7
9Spanish (es)
Medición en la mecánica cuántica
7
10Polish (pl)
Pomiar w mechanice kwantowej
7
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 "Measurement in quantum mechanics" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Measurement in quantum mechanics
3
2Arabic (ar)
القياس في ميكانيكا الكم
1
3Polish (pl)
Pomiar w mechanice kwantowej
1
4Catalan (ca)
Mesura en mecànica quàntica
0
5Czech (cs)
Kvantové měření
0
6Danish (da)
Kvantemekanisk måling
0
7German (de)
Quantenmechanische Messung
0
8Spanish (es)
Medición en la mecánica cuántica
0
9Persian (fa)
اندازه‌گیری در مکانیک کوانتومی
0
10Hindi (hi)
क्वाण्टम यान्त्रिकीय मापन
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 "Measurement in quantum mechanics" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Measurement in quantum mechanics
359
2Arabic (ar)
القياس في ميكانيكا الكم
192
3Chinese (zh)
量子測量
184
4Russian (ru)
Измерение (квантовая механика)
136
5Portuguese (pt)
Medição em mecânica quântica
133
6Persian (fa)
اندازه‌گیری در مکانیک کوانتومی
104
7German (de)
Quantenmechanische Messung
87
8Polish (pl)
Pomiar w mechanice kwantowej
79
9Ukrainian (uk)
Вимірювання (квантова механіка)
71
10Catalan (ca)
Mesura en mecànica quàntica
58
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
arArabic
القياس في ميكانيكا الكم
caCatalan
Mesura en mecànica quàntica
csCzech
Kvantové měření
daDanish
Kvantemekanisk måling
deGerman
Quantenmechanische Messung
enEnglish
Measurement in quantum mechanics
esSpanish
Medición en la mecánica cuántica
faPersian
اندازه‌گیری در مکانیک کوانتومی
hiHindi
क्वाण्टम यान्त्रिकीय मापन
jaJapanese
量子測定理論
plPolish
Pomiar w mechanice kwantowej
ptPortuguese
Medição em mecânica quântica
ruRussian
Измерение (квантовая механика)
ukUkrainian
Вимірювання (квантова механіка)
zhChinese
量子測量

Popularity rank trends

Best Rank English:
#115285
06.2008
Global:
#158107
11.2014

AI rank trends

Best Rank English:
#3950
04.2004
Global:
#16303
04.2004

Local AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Measurement in quantum mechanics from Wikipedia articles about Quantum state, Wave function collapse, Density matrix, Wigners friend and Born rule. Whereas reading the article about Measurement in quantum mechanics people most often go to Wikipedia articles on Born rule, Projection-valued measure, Positive-operator-valued measure, Measurement problem and Bells theorem.

Cumulative results of quality and popularity of the Wikipedia article

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

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In English Wikipedia the most popular articles on that day were: Weapons (2025 film), Danielle Spencer (American actress), Cristiano Ronaldo, Deaths in 2025, Taylor Swift, Wednesday (TV series), Superman (2025 film), Georgina Rodríguez, Coolie (2025 film), The Fantastic Four: First Steps.

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