Quantum Computing: 15th July 2025

Quantum clock breaks entropy barrier (rootprivileges​.net). Quantum clock utilizes coherent transport to achieve unprecedented precision while reducing entropy, challenging thermodynamic limits on timekeeping devices

Andrew Houck, national leader in quantum technology, appointed Princeton University dean of engineering (princeton​.edu). Andrew Houck appointed dean of engineering at Princeton, focusing on quantum technology, interdisciplinary collaboration, and inclusivity in education and research

Brussels, We Have a Problem (But It’s Not What the Critics Are On About) (slow-thoughts​.com). EU's quantum strategy needs rethinking towards problem modeling, not just hardware, with emphasis on conceptual breakthroughs over mere qubit scaling

Quantum battery model achieves theoretical speed limit, demonstrates genuine advantage (phys​.org). Quantum battery model developed by PSL Research University and University of Pisa achieves quantum speed limit, showing genuine advantage over classical counterparts

This Week in Security: Bitchat, CitrixBleed Part 2, Opossum, and TSAs (hackaday​.com). Bitchat encrypted messaging app’s vulnerabilities, CitrixBleed 2 memory leak, Opossum TLS attack, post-quantum cryptography tools, and security flaws in MCP protocol

A new beast: antiferromagnetic quasicrystals (rootprivileges​.net). Scientists discover antiferromagnetic quasicrystal made from gold, indium, europium, revealing unique magnetic properties and potential applications in spintronics

A new beast among us: antiferromagnetic quasicrystals (diffract​.org). Scientists discover an antiferromagnetic quasicrystal, Au56In28.5Eu15.5, demonstrating complex magnetic order, paving the way for innovations in materials science and spintronics

what’s going on in the black clouds? (oklo​.org). Exploring Landauer's limit in thermodynamics, image generation, and entropy in diffusion models with implications for data processing efficiency

Adding Up Feynman Diagrams to Make Predictions about Real Materials (caltech​.edu). Caltech scientists develop a method using diagrammatic Monte Carlo to accurately sum Feynman diagrams, solving the polaron problem in electron-phonon interactions

Elusive romance of top-quark pairs observed at the LHC (symmetrymagazine​.org). CMS and ATLAS at CERN’s LHC observe top quark-antiquark pairs, suggesting fleeting toponium formation, enhancing understanding of the Standard Model and quantum chromodynamics

Calculating the Electron's Magnetic Moment (caltech​.edu). Chip Sebens explores electron magnetic moment calculations, contrasting quantum field theory and classical physics methods, highlighting anomalies in quantum mechanics

This Experiment Just Ruled Out The Many Worlds Theory, Physicists Claim (backreaction​.blogspot​.com). Recent experiments challenge the Many Worlds Theory in quantum mechanics, suggesting alternative interpretations of quantum phenomena and the nature of reality

Speed test of 'tunneling' electrons challenges alternative interpretation of quantum mechanics (phys​.org). Researchers tested Bohmian mechanics' prediction on photon tunneling, finding finite dwell time, a challenge to quantum mechanics interpretations

Toolchain for Faster Iterations in Quantum Software Development (arxiv:cs). Investigates remote computational capabilities to enhance quantum software workflows, enabling faster circuit execution and supporting complex iterative development in Jupyter notebooks

ProvideQ: A Quantum Optimization Toolbox (arxiv:cs). ProvideQ toolbox facilitates hybrid solvers for combinatorial optimization, integrating classical techniques with quantum circuits through customizable Meta-Solver strategies for practical applications

Quantum Algorithms for Projection-Free Sparse Convex Optimization (arxiv:cs). Quantum algorithms improve projection-free sparse convex optimization in vector and matrix domains, outperforming classical methods in efficiency and query complexity

Entangled Threats: A Unified Kill Chain Model for Quantum Machine Learning Security (arxiv:cs). Quantum machine learning security involves unique threats like circuit backdoors and side-channel attacks; a unified kill chain model facilitates comprehensive threat analysis

Partitioned Hybrid Quantum Fourier Neural Operators for Scientific Quantum Machine Learning (arxiv:cs). Introducing PHQFNO: a tunable hybrid quantum-classical method for solving Burgers' and Navier-Stokes equations, surpassing classical accuracy and stability

Advances in Machine Learning: Where Can Quantum Techniques Help? (arxiv:cs). Quantum Machine Learning addresses computational bottlenecks in classical ML, exploring quantum data encoding, optimization, and challenges of Noisy Intermediate-Scale Quantum devices

Probabilistic Approximate Optimization: A New Variational Monte Carlo Algorithm (arxiv:cs). Probabilistic Approximate Optimization Algorithm enhances sampling on Ising machines, outperforming QAOA in solving complex spin-glass problems with optimized temperature profiles

AdeptHEQ-FL: Adaptive Homomorphic Encryption for Federated Learning of Hybrid Classical-Quantum Models with Dynamic Layer Sparing (arxiv:cs). AdeptHEQ-FL enhances federated learning with hybrid classical-quantum models, adaptive aggregation, homomorphic encryption, and dynamic layer freezing for improved efficiency and privacy

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