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International Journal of Theoretical Physics is Scopus-indexed (Q1, CiteScore 3.1), WoS SCIE. It is covered by India's One Nation One Subscription scheme for reading access. Published by Springer New York.
Checked against the index lists dated .
ISSN 0020-7748Verify ISSN ↗1572-9575Verify ISSN ↗
Publisher: Springer New York
Cost to publish: About US$3,190 to publish open access (publisher list price, via OpenAlex) — subscription publishing may be free
| Subject area | Rank | Pctile | Q |
|---|---|---|---|
| Mathematics (all) | 69 / 414 | 83rd | Q1 |
| Physics and Astronomy (miscellaneous) | 39 / 88 | 56th | Q2 |
Not listed in: DOAJ, ABDC, ABS / AJG, FT50, UT Dallas, ONOS (APC covered)
Yes — actively indexed in Scopus, coverage 1968–present, best quartile Q1, CiteScore 3.1.
International Journal of Theoretical Physics is Q1 in Mathematics (all) (rank 69 of 414) and Q2 in Physics and Astronomy (miscellaneous) (rank 39 of 88), by CiteScore 2025.
International Journal of Theoretical Physics 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 3.1, which places it in quartile Q1 at the 83rd percentile of its subject. Its SCImago Journal Rank (SJR, a free Scopus-based metric) is 0.336, quartile Q3, with an H-index of 77.
The publisher lists an article processing charge of about US$3,190 for open access (source: OpenAlex). Many journals also publish by the subscription route at no cost to the author, so confirm on the journal's own website.
International Journal of Theoretical Physics is published by Springer New York. Its print ISSN is 0020-7748 and its online ISSN is 1572-9575.
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.
International Journal of Theoretical Physics has an h-index of 99 and a 2-year mean of 2.73 citations per paper (OpenAlex). Its Scopus CiteScore is 3.1, quartile Q1. On 2-year citations it ranks #34 of 392 Scopus journals in Mathematics (all).
International Journal of Theoretical Physics published 331 papers in 2025; its busiest recent year was 2017 with 382. 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 97 research articles (2026), authors are most often from China (22.4%), India (8.9%) and Algeria (5.9%).
Countries are counted fractionally, so a paper by authors from two countries counts half to each.
Scopus status: Active. 20 retracted papers are recorded (1.7 per 1,000 papers). The Problematic Paper Screener flags 1 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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