Welcome to the Quantum News Daily Brief. Story 1: HI-QDC: An Isometric Modular Scalable Architecture for Quantum Data Centers. --> Quantum Physics arXiv:2607.20633 (quant-ph) [Submitted on 22 Jul 2026] Title:HI-QDC: An Isometric Modular Scalable Architecture for Quantum Data Centers Authors:Mohadeseh Azari, Anoosha Fayyaz, Amy Babay, David Tipper, Prashant Krishnamurthy, Kaushik Seshadreesan View a PDF of the paper titled HI-QDC: An Isometric Modular Scalable Architecture for Quantum Data Center

Welcome to the Quantum News Daily Brief. Story 1: Keyfactor Revamps Global Partner Program to Accelerate Enterprise Post-Quantum Cryptography Modernization. Keyfactor Revamps Global Partner Program to Accelerate Enterprise Post-Quantum Cryptography Modernization Digital trust and Public Key Infrastructure (PKI) management provider Keyfactor has announced an expansion of its Global Partner Program. The program is designed to equip systems integrators, hyperscaler partners, managed service provide

Welcome to the Quantum News Daily Brief. Story 1: Nishimori Threshold Estimation for Bayesian Inference and $\mathbb{Z}_q$ Surface Code Decoding. --> Quantum Physics arXiv:2607.18374 (quant-ph) [Submitted on 20 Jul 2026] Title:Nishimori Threshold Estimation for Bayesian Inference and $\mathbb{Z}_q$ Surface Code Decoding Authors:Rohit Mukherjee, Simon Trebst View a PDF of the paper titled Nishimori Threshold Estimation for Bayesian Inference and $\mathbb{Z}_q$ Surface Code Decoding, by Rohit Mukh

Welcome to the Quantum News Daily Brief. Story 1: A Hybrid Classical-Quantum Approach for Multi-Constrained Location Optimization Problem. --> Quantum Physics arXiv:2607.16277 (quant-ph) [Submitted on 8 Jul 2026] Title:A Hybrid Classical-Quantum Approach for Multi-Constrained Location Optimization Problem Authors:Jorge Saavedra-Benavides, J. Alejandro Montanez-Barrera, Alberto Maldonado-Romo, Daniel Sierra-Sosa View a PDF of the paper titled A Hybrid Classical-Quantum Approach for Multi-Constrai

Welcome to the Quantum News Daily Brief. Story 1: Causality from the spectrum: Emergence of causal order from process-matrix mereology. --> Quantum Physics arXiv:2607.15345 (quant-ph) [Submitted on 16 Jul 2026] Title:Causality from the spectrum: Emergence of causal order from process-matrix mereology Authors:Varun Kushwaha, Nicolas Loizeau, Alexei Grinbaum, Oliver Friedrich View a PDF of the paper titled Causality from the spectrum: Emergence of causal order from process-matrix mereology, by Var

Welcome to the Quantum News Daily Brief. Story 1: Quantum Elements and Planckian Partner to Develop Architecture-Specific Digital Twins for Superconducting Quantum Processors. Quantum Elements and Planckian have announced a development agreement to create architecture-specific noise models and digital twin capabilities for Planckian’s novel superconducting quantum processors. The work will characterize coherence, leakage, and operation-level errors to support evaluation of quantum error correcti

Welcome to the Quantum News Daily Brief. Story 1: How Yokohama National University Maps Grover Walk Robustness. Yokohama National University researchers are revealing how the robustness of Grover walks, a technique for quantum computation, is linked to the underlying structure of the graphs used to model them. The work introduces not through direct application of magnetic fields, but by framing the walk within the broader mathematical context of quantum graphs. Analysis shows that graphs possess

Welcome to the Quantum News Daily Brief. Story 1: Magic Without Entanglement: Exact Revivals and Their Fisher Information Origin. --> Quantum Physics arXiv:2607.14222 (quant-ph) [Submitted on 15 Jul 2026] Title:Magic Without Entanglement: Exact Revivals and Their Fisher Information Origin Authors:Rishabh Jha, Karun Gadge View a PDF of the paper titled Magic Without Entanglement: Exact Revivals and Their Fisher Information Origin, by Rishabh Jha and 1 other authors View PDF HTML (experimental) Ab

Welcome to the Quantum News Daily Brief. Story 1: Two-Tower Quantum Matrix Chain Multiplication: Trading Qubits for Depth. --> Quantum Physics arXiv:2607.13191 (quant-ph) [Submitted on 14 Jul 2026] Title:Two-Tower Quantum Matrix Chain Multiplication: Trading Qubits for Depth Authors:Giacomo Antonioli, Anna Bernasconi, Alessandro Berti, Gianna M. Del Corso, Alessandro Poggiali View a PDF of the paper titled Two-Tower Quantum Matrix Chain Multiplication: Trading Qubits for Depth, by Giacomo Antoni

Welcome to the Quantum News Daily Brief. Story 1: Quantum-classical neurons upgraded with optical spin qubits for advanced computing and networking architectures. --> Quantum Physics arXiv:2607.11992 (quant-ph) [Submitted on 13 Jul 2026] Title:Quantum-classical neurons upgraded with optical spin qubits for advanced computing and networking architectures Authors:Osama M. Nayfeh View a PDF of the paper titled Quantum-classical neurons upgraded with optical spin qubits for advanced computing and ne