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Fluctuation and Noise Letters is Scopus-indexed (Q2, CiteScore 2.1), WoS SCIE. It is covered by India's One Nation One Subscription scheme for reading access. Published by World Scientific.
Checked against the index lists dated .
ISSN 0219-4775Verify ISSN ↗1793-6780Verify ISSN ↗
Publisher: World Scientific
Cost to publish: No APC data — check the publisher
| Subject area | Rank | Pctile | Q |
|---|---|---|---|
| Mathematics (all) | 123 / 414 | 70th | Q2 |
| Physics and Astronomy (all) | 147 / 248 | 40th | Q3 |
Not listed in: DOAJ, ABDC, ABS / AJG, FT50, UT Dallas, ONOS (APC covered)
Yes — actively indexed in Scopus, coverage 2010–present (also 2004–2008), best quartile Q2, CiteScore 2.1.
Fluctuation and Noise Letters is Q2 in Mathematics (all) (rank 123 of 414) and Q3 in Physics and Astronomy (all) (rank 147 of 248), by CiteScore 2025.
Fluctuation and Noise Letters is indexed in the Science Citation Index Expanded, so it may have a Journal Impact Factor in Clarivate's Journal Citation Reports. JCR is paid, so check it for the current value. The closest free measure is its Scopus CiteScore 2.1, which places it in quartile Q2 at the 70th percentile of its subject. Its SCImago Journal Rank (SJR, a free Scopus-based metric) is 0.231, quartile Q4, with an H-index of 38.
Fluctuation and Noise Letters is published by World Scientific. Its print ISSN is 0219-4775 and its online ISSN is 1793-6780.
Yes. It is part of the One Nation One Subscription (ONOS) national subscription, so readers at participating Indian institutions get its full text. ONOS does not cover its article processing charge.
Yes — indexed in the Science Citation Index Expanded.
No — it is not registered as an open-access journal in DOAJ or Scopus.
Fluctuation and Noise Letters has an h-index of 45 and a 2-year mean of 0.96 citations per paper (OpenAlex). Its Scopus CiteScore is 2.1, quartile Q2. On 2-year citations it ranks #126 of 392 Scopus journals in Mathematics (all).
Fluctuation and Noise Letters published 86 papers in 2025; its busiest recent year was 2023 with 99. 2026* is the year so far.
h-index, i10-index and 2-year mean citedness are open, licence-clear metrics from OpenAlex — not a proprietary impact factor. The subject rank counts only journals that OpenAlex has a figure for; it is not a Scopus or Clarivate ranking. Updated 2026-10-14.
In its latest 94 research articles (2025–2026), authors are most often from China (20.7%), United States (18.2%) and Italy (7.6%).
Countries are counted fractionally, so a paper by authors from two countries counts half to each.
Scopus status: Active. 4 retracted papers are recorded (2.8 per 1,000 papers). The Problematic Paper Screener flags none of its papers. These are indicators to check, not findings against the journal.
Retractions from OpenAlex; flags from the Problematic Paper Screener (Cabanac, Labbé & Magazinov, CC BY), 2026-09-21 export. A flag marks a paper for a closer look; it is not a finding against the journal.
Index data is curated from public sources (Scopus, Web of Science, ABDC, FT50, UT Dallas, DOAJ). CiteScore and quartiles reflect the latest available Scopus release. Always verify a journal's current status on its official source before submitting.
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