cyberintel.kalymoon.com · 3293 articles · updated every 4 hours · grows forever
An unexpected flaw has emerged in a standard method for calculating energy levels in deformed quantum systems. The usual uniform WKB approximation fails to correctly quantize the Schwinger curve, reve…
A gap of polynomial factors remains the key barrier to fully understanding the limits of quantum computation, despite decades of searching for definitive speedups. This work establishes a framework to…
Testing classical-quantum gravity with geodesic deviation Until now, validating theoretical frameworks bridging quantum mechanics and gravity required purely theoretical analysis. This work delivers a…
Insider Brief A steady stream of announcements that quantum teams are making progress on quantum error correction seems to have stirred the once-skeptical cryptocurrency community. Coinbase CEO and co…
Insider Brief PRESS RELEASE — SpinQ Technology, a leading global provider of full-stack quantum computing solutions, today announced the successful completion of its 600 million Chinese Yuan (about $8…
G7 Cyber Expert Group Releases Roadmap for Coordinating the Transition to Post-Quantum Cryptography in the Financial Sector U.S. Department of the Treasury (.gov)
Insider Brief PRESS RELEASE — CavilinQ, a quantum hardware startup, today announced it has raised $8.8 million in seed funding to develop the interconnect hardware necessary to scale quantum computers…
Insider Brief PRESS RELEASE — QuEra Computing today open-sourced its T-gate simulator (Tsim), a GPU-accelerated quantum circuit simulator that, for the first time, lets researchers simulate non-Cliffo…
Insider Brief PRESS RELEASE — Researchers from Quanscient, a leader in cloud-based multiphysics simulation technology and quantum algorithms, and Haiqu, a leading developer of quantum middleware, toda…
arXiv:2604.02024v1 Announce Type: new Abstract: Entangled photon pair sources are a key enabling technology for quantum communication and networking, yet their deployment beyond laboratory environment…
arXiv:2604.01983v1 Announce Type: new Abstract: We present a large-scale experimental study of quantum-computing-based molecular simulation carried out on IQM's Sirius 24-qubit superconducting process…
arXiv:2604.01930v1 Announce Type: new Abstract: We propose a geometry-driven quantum-inspired classification framework that integrates Correlation Group Structures (CGR), compact SWAP-test-based overl…
arXiv:2604.01918v1 Announce Type: new Abstract: Non-Hermitian systems driven along slow parametric loops undergo non-adiabatic transitions whose outcome depends sensitively on the driving speed, yet n…
arXiv:2604.01891v1 Announce Type: new Abstract: We present a loop-shaping approach to coherent feedback (CF) control. By formulating the coupling between a quantum system and its environment in terms …
arXiv:2604.01879v1 Announce Type: new Abstract: Nonreciprocity, characterized by direction-dependent signal propagation, is fundamental to technologies such as isolators, signal routing, and precision…
arXiv:2604.01874v1 Announce Type: new Abstract: We exhibit nontrivial transversal logical multi-controlled-$Z$ gates on $[\![N,\Theta(N),\tilde\Theta(N)]\!]$ quantum low-density parity-check codes and…
arXiv:2604.01856v1 Announce Type: new Abstract: A classical particle under spatial constraints is strictly confined to live on a specific space manifold or path, but this assumption is incompatible wi…
arXiv:2604.01773v1 Announce Type: new Abstract: We propose a general scheme to controllably distribute pairwise entanglement in a quantum network of qubits by exploiting environmental ancilla qubits i…
arXiv:2604.01722v1 Announce Type: new Abstract: Magnetic Resonance Spectroscopy (MRS) offers a unique non-invasive window into metabolic processes, yet its potential remains strictly constrained by se…
arXiv:2604.01638v1 Announce Type: new Abstract: Non-Hermitian skin effect (NHSE) is one of the most fascinating phenomena in non-Hermitian systems, which refers to enormous eigenstates localize at the…
arXiv:2604.01616v1 Announce Type: new Abstract: We propose a privacy-aware hybrid framework for federated medical image classification that combines tensor-network representation learning, MPC-secured…
arXiv:2604.01555v1 Announce Type: new Abstract: A fundamental challenge in quantum physics is determining the ground-state properties of many-body systems. Whereas standard approaches, such as variati…
arXiv:2604.01534v1 Announce Type: new Abstract: Single-shot measurement learning (SSML) learns a compensation unitary from a one-bit success/failure record and halts after a prescribed run of consecut…
arXiv:2604.01519v1 Announce Type: new Abstract: We study the computational complexity of estimating the normalized trace $2^{-n}Tr[f(A)]$ for a log-local Hamiltonian $A$ acting on $n$ qubits. This pro…