Effective mass (solid-state physics)

Effective mass - the mass that an object seems to have when responding to forces, or when interacting with other identical particles in a thermal distribution. Article “Effective mass (solid-state physics)” in English Wikipedia has 42.5 points for quality (as of July 1, 2026). The article contains 19 references and 14 sections.

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

Since the creation of article “Effective mass (solid-state physics)”, its content was written by 79 registered users of English Wikipedia and edited by 344 registered Wikipedia users in all languages.

The article is cited 88 times in English Wikipedia and cited 461 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #14124 in January 2004
• Global: #8508 in September 2003

The highest popularity rank from 2008:

• Local (English): #86137 in April 2017
• Global: #106954 in April 2017

There are 22 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.

#	Language	Quality grade	Quality score
1	Hebrew (he) מסה אפקטיבית		55.9145
2	English (en) Effective mass (solid-state physics)		42.4739
3	Russian (ru) Эффективная масса		23.7919
4	Hindi (hi) प्रभावी द्रव्यमान (ठोस-अवस्था भौतिकी)		19.6159
5	German (de) Effektive Masse		19.2899
6	French (fr) Masse effective		18.4475
7	Italian (it) Massa efficace		18.1958
8	Vietnamese (vi) Khối lượng hiệu dụng		14.744
9	Czech (cs) Efektivní hmotnost		12.9931
10	Basque (eu) Masa efektibo		12.5225

More...

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

The most popular language versions of the article "Effective mass (solid-state physics)" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Effective mass (solid-state physics)		1 472 669
2	German (de) Effektive Masse		234 008
3	Russian (ru) Эффективная масса		196 565
4	Japanese (ja) 有効質量		193 942
5	Chinese (zh) 有效质量		82 282
6	Polish (pl) Masa efektywna		73 393
7	Spanish (es) Masa efectiva		72 577
8	French (fr) Masse effective		72 454
9	Italian (it) Massa efficace		52 075
10	Korean (ko) 유효 질량		44 034

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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 "Effective mass (solid-state physics)" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Effective mass (solid-state physics)		1 986
2	German (de) Effektive Masse		301
3	Japanese (ja) 有効質量		236
4	Russian (ru) Эффективная масса		203
5	Chinese (zh) 有效质量		135
6	French (fr) Masse effective		108
7	Italian (it) Massa efficace		74
8	Polish (pl) Masa efektywna		62
9	Spanish (es) Masa efectiva		54
10	Korean (ko) 유효 질량		34

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

Language versions of the article "Effective mass (solid-state physics)" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Effective mass (solid-state physics)		79
2	German (de) Effektive Masse		53
3	Russian (ru) Эффективная масса		27
4	Italian (it) Massa efficace		24
5	Japanese (ja) 有効質量		18
6	French (fr) Masse effective		17
7	Hebrew (he) מסה אפקטיבית		17
8	Persian (fa) جرم مؤثر (فیزیک حالت جامد)		16
9	Vietnamese (vi) Khối lượng hiệu dụng		16
10	Polish (pl) Masa efektywna		15

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

Language versions of the article "Effective mass (solid-state physics)" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Basque (eu) Masa efektibo		1
2	Catalan (ca) Massa efectiva		0
3	Czech (cs) Efektivní hmotnost		0
4	German (de) Effektive Masse		0
5	English (en) Effective mass (solid-state physics)		0
6	Spanish (es) Masa efectiva		0
7	Persian (fa) جرم مؤثر (فیزیک حالت جامد)		0
8	French (fr) Masse effective		0
9	Hebrew (he) מסה אפקטיבית		0
10	Hindi (hi) प्रभावी द्रव्यमान (ठोस-अवस्था भौतिकी)		0

More...

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

Language versions of the article "Effective mass (solid-state physics)" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Effective mass (solid-state physics)		88
2	Russian (ru) Эффективная масса		68
3	Ukrainian (uk) Ефективна маса		40
4	German (de) Effektive Masse		35
5	French (fr) Masse effective		32
6	Japanese (ja) 有効質量		31
7	Spanish (es) Masa efectiva		23
8	Catalan (ca) Massa efectiva		21
9	Korean (ko) 유효 질량		21
10	Chinese (zh) 有效质量		20

More...

#	Language	Value
ca	Catalan Massa efectiva
cs	Czech Efektivní hmotnost
de	German Effektive Masse
en	English Effective mass (solid-state physics)
es	Spanish Masa efectiva
eu	Basque Masa efektibo
fa	Persian جرم مؤثر (فیزیک حالت جامد)
fr	French Masse effective
he	Hebrew מסה אפקטיבית
hi	Hindi प्रभावी द्रव्यमान (ठोस-अवस्था भौतिकी)
it	Italian Massa efficace
ja	Japanese 有効質量
kk	Kazakh Эффективтік масса
ko	Korean 유효 질량
pl	Polish Masa efektywna
ru	Russian Эффективная масса
sl	Slovenian Efektivna masa
sv	Swedish Effektiv massa
tr	Turkish Etkin kütle
uk	Ukrainian Ефективна маса
vi	Vietnamese Khối lượng hiệu dụng
zh	Chinese 有效质量

Best Rank

English: #86137 04.2017

Global: #106954 04.2017

Best Rank

English: #14124 01.2004

Global: #8508 09.2003

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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 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