Journal profile · Computer Science, Theory & Methods
International Journal of Quantum Information
ISSN 0219-7499 · eISSN 1793-6918 · World Scientific Publishing Co. Pte Ltd · UNITED STATES · Bimonthly
International Journal of Quantum Information: CAS Zone 4 · Physics & Astronomy (2025 upgraded edition); impact factor 1.19; subscription journal; review about 24 months (community reports); community-reported acceptance: easy; 60 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
International Journal of Quantum Information is published by World Scientific Publishing Co. Pte Ltd and is in Zone 4 of Physics & Astronomy in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Quantum Information and Cryptography, Quantum Computing Algorithms and Architecture and Quantum Mechanics and Applications, together about 74.7% of its articles. Its main subfields are Atomic and Molecular Physics, and Optics. (generated from OpenAlex topic counts and CAS ranking data)
The International Journal of Quantum Information (IJQI) is a leading peer-reviewed quantum information science journal published by World Scientific, dedicated to advancing the interdisciplinary field of quantum information since 2003. IJQI serves as a premier publication venue for both theoretical and experimental research at the intersection of physics, and engineering. The journal welcomes high-quality original research papers, review articles, and short correspondences across its core areas of focus: Quantum Cryptography — including quantum key distribution, quantum secret sharing, and secure communication protocols Quantum Computation — covering quantum algorithms, quantum error correction, and quantum circuit design Quantum Communication — exploring quantum networks, entanglement-based protocols, and quantum teleportation Fundamentals of Quantum Mechanics — theoretical investigations with a bearing on quantum information, quantum entropy, and quantum state discrimination IJQI bridges disciplines by encouraging contributions that connect quantum information science with condensed matter physics, quantum optics, information theory, and cryptography. All submitted manuscripts undergo rigorous peer review prior to acceptance. Researchers, academics, and institutions looking to publish cutting-edge quantum information research will find IJQI a trusted and internationally indexed platform for scholarly exchange and knowledge dissemination in quantum science.
From the journal's Aims & Scope
Research area (LetPub): Computer Science, Theory & Methods
Main research topics OpenAlex counts of recent articles; shares are approximate
- Quantum Information and CryptographyComputer Science30.2%
- Quantum Computing Algorithms and ArchitectureComputer Science23.5%
- Quantum Mechanics and ApplicationsPhysics and Astronomy21%
- Quantum optics and atomic interactionsPhysics and Astronomy3.7%
- Quantum and electron transport phenomenaPhysics and Astronomy3.1%
- Quantum-Dot Cellular AutomataComputer Science2.9%
- Quantum many-body systemsPhysics and Astronomy2.1%
- Advanced Thermodynamics and Statistical MechanicsPhysics and Astronomy1.7%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Physics & Astronomy Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Physics & Astronomy | Zone 4 |
| Minor | Computer Science, Theory & Methods | Zone 4 |
| Minor | Physics, Mathematical | Zone 4 |
| Minor | Physics, Particles & Fields | Zone 4 |
| Minor | Quantum Science & Technology | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Physics & Astronomy Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Physics & Astronomy | Zone 4 |
| Minor | Computer Science, Theory & Methods | Zone 4 |
| Minor | Quantum Science & Technology | Zone 4 |
| Minor | Physics, Particles & Fields | Zone 4 |
| Minor | Physics, Mathematical | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Physics & Astronomy Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Physics & Astronomy | Zone 4 |
| Minor | Computer Science, Theory & Methods | Zone 4 |
| Minor | Physics, Mathematical | Zone 4 |
| Minor | Physics, Particles & Fields | Zone 4 |
| Minor | Quantum Science & Technology | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor
- 1.19LetPub ·
- CiteScore 2026-06
- 1.9LetPub ·
- SJR 2026-06
- 0.25LetPub ·
- SNIP 2026-06
- 0.47LetPub ·
- h-index
- 31LetPub ·
- h-index
- 58OpenAlex ·
- i10-index
- 490OpenAlex ·
- 2-year mean citedness
- 1.31OpenAlex ·
- Self-citation rate
- 0%LetPub ·
- Share of gold OA articles
- 1.68%LetPub ·
Volume
- Articles per year
- 55LetPub ·
Articles by year OpenAlex count · 1,922 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 32 | 6 | 4 |
| 2025 | 60 | 11 | 49 |
| 2024 | 71 | 26 | 160 |
| 2023 | 57 | 18 | 236 |
| 2022 | 43 | 13 | 176 |
| 2021 | 41 | 15 | 207 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
- Average review time (community reports)
- about 24 monthsLetPub ·
- Average acceptance (community reports)
- EasyLetPub ·
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Subscription journalLetPub
A subscription journal: articles are read by subscription or purchase, and authors usually pay no publication charge.
No source has fee information yet; check the journal's website.
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
Policy excerpts from the journal's websitePeer review
- Peer review
All submitted manuscripts undergo rigorous peer review prior to acceptance. Model summary
All submitted manuscripts undergo rigorous peer review prior to acceptance.
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- World Scientific Publishing Co. Pte Ltd
- Country or region
- UNITED STATES
- Language
- English
- Frequency
- Bimonthly
- ISSN
- 0219-7499
- Electronic ISSN
- 1793-6918
- Latest issue on the website
- Volume 24 (2025)
- Official links
- Journal homepage ↗OpenAlex
- Submission system ↗Publisher website
- Special issues ↗Publisher website
FAQ
Frequently asked questions about International Journal of Quantum Information
What CAS zone is International Journal of Quantum Information in?
In the 2025 upgraded edition of the CAS Journal Ranking, International Journal of Quantum Information is in Zone 4 of Physics & Astronomy, and in Zone 4 of the minor category Computer Science, Theory & Methods / Physics, Mathematical / Physics, Particles & Fields / Quantum Science & Technology. In the 2026 Xinrui edition it is in Zone 4 of Physics & Astronomy. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of International Journal of Quantum Information?
The latest impact factor listed by LetPub is 1.19; CiteScore 1.9, h-index 58.
How long does peer review take at International Journal of Quantum Information?
Authors report an average review time of about 24 months; the community-reported acceptance is “Easy”. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
Which databases index International Journal of Quantum Information?
According to LetPub and DOAJ records, International Journal of Quantum Information is indexed in SCIE and Scopus.
Is International Journal of Quantum Information open access, and what is the APC?
International Journal of Quantum Information is a subscription journal. Fee information is not available yet; check the journal's website.
Sources and updates
The facts on this page come from LetPub, OpenAlex, Publisher website; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .