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Live quantum intelligence

Quantum Index

A readable signal board for people tracking quantum technology before it hits the obvious headlines.

Tracked Sources81

Total Interest121

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86Impact

Paper

Unconditional Security of Discrete-Modulated CV-QKD from Infinite-Dimensional MEAT

arXiv:2609.16105v1 Announce Type: new Abstract: Discrete-Modulated (DM) Continuous-Variable (CV) Quantum Key Distribution (QKD) is an experimentally attractive approach to quantum cryptography, offering high key rates ov

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898 signals

0interestPaperarXiv quant-phSep 162 minUnconditional Security of Discrete-Modulated CV-QKD from Infinite-Dimensional MEATarXiv:2609.16105v1 Announce Type: new Abstract: Discrete-Modulated (DM) Continuous-Variable (CV) Quantum Key Distribution (QKD) is an experimentally attractive approach to quantum cryptography, offering high key rates ov

0interestPaperarXiv quant-phSep 162 minDirect Observation of Dipolar-Driven Anisotropic Quantum Projection Noise in a Solid-State Spin EnsemblearXiv:2609.16106v1 Announce Type: new Abstract: The nitrogen-vacancy (NV) center in diamond is a prominent quantum-sensing platform. Combining readout at the quantum projection noise limit with strong dipolar interaction

0interestPaperarXiv quant-phSep 162 minLarge-scale quantum simulations of dissipative spin-1/2 Heisenberg chainsarXiv:2609.16108v1 Announce Type: new Abstract: A quantum many-body system coupled to an environment relaxes to a nonequilibrium steady state that can sustain order with no equilibrium counterpart. Computing such steady

0interestPaperarXiv quant-phSep 162 minAdaptive detection of Rabi signals under composite hypothesesarXiv:2609.16119v1 Announce Type: new Abstract: Motivated by searches for weak coherent drives, we formulate repeated quantum sensing with a fixed shot budget as an asymmetric composite hypothesis test. Taking Rabi sensi

0interestPaperarXiv quant-phSep 162 minThe Transient Counting Statistics of Autonomous Quantum ClocksarXiv:2609.16121v1 Announce Type: new Abstract: At the heart of every atomic clock is a quantum coherent emitter, the laser, that could in principle be treated autonomously. While their frequency or phase stability is ty

0interestPaperarXiv quant-phSep 162 minHyperbolic color codes with constant rate and polynomial distancearXiv:2609.16125v1 Announce Type: new Abstract: Recent advances in quantum hardware relax the strict geometric-locality constraints traditionally imposed on quantum error-correcting codes, motivating interest in high-rat

0interestSoftwareplanqc NewsSep 162 minMade in Europe Award 2026: planqc wins in the Commercialising categoryplanqc News: Made in Europe Award 2026: planqc wins in the Commercialising category. The useful read is the workflow change: what becomes easier to run, verify, automate, or integrate for teams using quantum systems.

1interestHardwareThe Quantum InsiderSep 152 minTOYO Corporation Buys Second IQM Quantum ComputerInsider Brief PRESS RELEASE — IQM Quantum Computers, a global leader in superconducting quantum computers, today announced that TOYO Corporation has purchased a second full-stack quantum computer, IQM Spark. This expands

0interestPaperarXiv quant-phSep 152 minPhysical Counterexamples to the Wigner Shannon Entropy ConjecturearXiv:2609.13312v1 Announce Type: new Abstract: We construct physical quantum states with everywhere positive Wigner functions whose Shannon entropy lies below the vacuum value $1+\ln\pi$. Besides an explicit finite-ener

0interestPaperarXiv quant-phSep 152 minStructured Quantum Kernels for Chaotic ForecastingarXiv:2609.13360v1 Announce Type: new Abstract: Quantum kernels promise exponentially large feature spaces, but expressive circuits render their Gram matrices uninformative, bandwidth tuning collapses them toward classic

Signal brief86%

Unconditional Security of Discrete-Modulated CV-QKD from Infinite-Dimensional MEAT

arXiv quant-ph is the source to read. Read papers through method quality, assumptions, benchmark design, and whether the result changes an active research or engineering constraint.

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