Information-Geometric Bound on the Robustness of Entanglement Generation

Quantum Physics [Submitted on 4 Jun 2026] Information-Geometric Bound on the Robustness of Entanglement Generation Zain H. Saleem Entanglement generation is a central resource for quantum information processing, quantum networking, and quantum sensing. In practical implementations, however, entangling interactions are inevitably subject to uncertainty and fluctuations in the interaction strength. We investigate the robustness of entanglement generation in the presence of such imperfections and establish a direct connection between the robustness of entanglement generation and quantum Fisher information (QFI). For two interacting qubits, we show that the reduction in concurrence caused by fluctuations in the interaction parameter is bounded by the QFI with respect to the interaction strength. Comments: 5 pages Subjects: Quantum Physics (quant-ph) Cite as: arXiv:2606.05696 [quant-ph]   (or arXiv:2606.05696v1 [quant-ph] for this version)   https://doi.org/10.48550/arXiv.2606.05696 Focus to learn more Submission history From: Zain Saleem Dr [view email] [v1] Thu, 4 Jun 2026 04:27:30 UTC (10 KB) Access Paper: HTML (experimental) view license Current browse context: quant-ph < prev   |   next > new | recent | 2026-06 References & Citations INSPIRE HEP NASA ADS Google Scholar Semantic Scholar Export BibTeX Citation Bookmark Bibliographic Tools Bibliographic and Citation Tools Bibliographic Explorer Toggle Bibliographic Explorer (What is the Explorer?) Connected Papers Toggle Connected Papers (What is Connected Papers?) Litmaps Toggle Litmaps (What is Litmaps?) scite.ai Toggle scite Smart Citations (What are Smart Citations?) Code, Data, Media Demos Related Papers About arXivLabs Which authors of this paper are endorsers? | Disable MathJax (What is MathJax?)