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Quantum Computing: 7th October 2025

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Published 7th October 2025

⚙️ Hardware, Toolchains, and Standards

Signal Protocol and Post-Quantum Ratchets (signal​.org). Signal introduces Sparse Post Quantum Ratchet (SPQR) to augment Double Ratchet with ML-KEM for post-quantum FS/PCS in a Triple Ratchet

NSA and IETF (blog​.cr​.yp​.to). NSA influence on TLS post-quantum standards in IETF: hybrids vs pure PQC, adoption controversy, and antitrust concerns

How Quantum Computing’s Biggest Challenges Are Being Solved With Accelerated Computing (blogs​.nvidia​.com). GPU-accelerated quantum research with CUDA-X: QEC decoders, qLDPC, ∆-Motif, cuQuantum, QuTiP plug-in, and AI decoders boosting quantum circuit compilation and simulation

We’re scaling quantum computing even faster with Atlantic Quantum. (blog​.google). Atlantic Quantum joins Google Quantum AI to scale superconducting qubits with integrated modular chip stack for faster quantum hardware development

WERQSHOP 2025 Technical Report (unitary​.foundation). WERQSHOP 2025 Technical Report synthesizes talks on quantum error mitigation, QEM-QEC hybrids, and open infrastructure for early fault-tolerant devices

NSA and IETF: Can an attacker purchase standardization of weakened cryptography? (blog​.cr​.yp​.to). NSA and IETF TLS WG push for hybrid vs pure PQC; adoption debates, antitrust risk, and standards-process integrity

🔬 Quantum Foundations and Experiments

Using Information Entropy To Make Choices / Choose Experiments (blog​.demofox​.org). Using information entropy to guide experiments and decisions in probability, entropy, and Fisher-style weightings for experiments

What does a quantum Bayes’s rule look like? (randomwalking​.org). Quantum Bayes’s rule via minimum-change principle; Petz transpose map emerges as optimal updating under fidelity with CPTP maps

Using 10,000 atoms and 1 to probe the Bohr-Einstein debate (randomwalking​.org). 10,000 atoms and recoil-laden photons explore Bohr–Einstein debate via Debye-Waller factor in MIT and China experiments

Scientists finally prove that a quantum computer can unconditionally outperform classical computers (phys​.org). Quantum information supremacy demonstrated with 12 qubits vs 62-bit classical memory in a memory-intensive task by UT Austin team

Collective Bloch oscillations observed in 1D Bose gas system (phys​.org). Observation of collective Bloch oscillations in a 1D Bose gas with ~1000 atoms using a two-component ultracold-atom system and magnetic forcing

📚 Academic Research

C2|Q>: A Robust Framework for Bridging Classical and Quantum Software Development (arxiv:cs). C2|Q>: a hardware-agnostic framework translating classical specifications into quantum circuits with encoder, deployment, and decoder modules

Scalable Quantum Optimisation using HADOF: Hamiltonian Auto-Decomposition Optimisation Framework (arxiv:cs). Hamiltonian Auto-Decomposition Optimisation Framework (HADOF) divides QUBO Hamiltonians for scalable quantum optimisation via QAOA, QA, SA, and decomposed subproblems

Formal Framework for Quantum Advantage (arxiv:cs). Quantum advantage via quantum vs classical instance complexity; queasy SAT and factoring; formal framework and exponential utility

Provably Optimal Quantum Circuits with Mixed-Integer Programming (arxiv:math). Depth-aware MILP framework for provably optimal quantum circuit synthesis with pruning, rolling-horizon scaling, and hardware-aware objectives

Stab-QRAM: An All-Clifford Quantum Random Access Memory for Special Data (arxiv:cs). Stab-QRAM: Clifford-only QRAM for affine Boolean data with O(log N) depth and zero T-count using bipartite graph coloring

👋 Before you go

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