The Quantum Journal

Your daily source for quantum computing breakthroughs, research, and industry news.

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Last updated: March 31, 2026 at 23:05 UTC

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30 articles
News The Quantum Insider Mar 31, 2026
The quantum resources needed to break modern encryption have dropped by an order of magnitude since May 2025. Here is what happened, what it means, and what organizations should do about it. In fewer…
Research Phys.org Mar 31, 2026
In the air people breathe, the water on Earth, the stars in the sky and more, atoms are the building blocks that make up the universe. Understanding the structure of the atomic nucleus is crucial for…
News The Quantum Insider Mar 31, 2026
Insider Brief PRESS RELEASE — STV Group, an European defence technology integrator with platforms deployed in Ukraine and allied theatres, and Post-Quantum, the UK cybersecurity company today…
News The Quantum Insider Mar 31, 2026
Insider Brief PRESS RELEASE — A landmark space mission built on UK research excellence is set to accelerate progress in quantum communications, as the Heriot-Watt University led Integrated…
News The Quantum Insider Mar 31, 2026
Insider Brief PRESS RELEASE — Quantum computers of the future may be closer to reality thanks to new research from Caltech and Oratomic, a Caltech-linked start-up company. Theorists and…
News The Quantum Insider Mar 31, 2026
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…
News The Quantum Insider Mar 31, 2026
Insider Brief PRESS RELEASE — QuSecure™, Inc., the market leader in post-quantum cybersecurity and cryptographic agility, today announced it is collaborating with the National…
News The Quantum Insider Mar 31, 2026
Insider Brief PRESS RELEASE — London Tech Week 2026 (8-12 June 2026) has announced its dedicated Deep Tech Stage, exploring the most exciting breakthroughs in space, robotics, materials, life…
News The Quantum Insider Mar 31, 2026
Insider Brief PRESS RELEASE — Alice & Bob, a leader in fault-tolerant quantum computing, has been awarded $3.9 million from the U.S. Department of Energy’s Advanced Research…
News The Quantum Insider Mar 31, 2026
Insider Brief PRESS RELEASE — Monarch Quantum, a developer of integrated photonics hardware for quantum technologies, today announced a $55 million oversubscribed growth round, led by…
News The Quantum Insider Mar 31, 2026
Insider Brief PRESS RELEASE — memQ™, the industry leader in quantum networking solutions for distributed quantum computing, announced today the closing of its $10M Series A round of financing.…
Research arXiv Quantum Mar 31, 2026
arXiv:2603.26739v1 Announce Type: new Abstract: In 2006 we proposed Quantum Fuzzy Sets, observing that states of a quantum register could serve as characteristic functions of fuzzy subsets, embedding…
Research arXiv Quantum Mar 31, 2026
arXiv:2603.26808v1 Announce Type: new Abstract: In this work, we study the resurgence program in holomorphic quantum mechanics. As a specific problem, we investigate the resurgence in the quartic…
Research arXiv Quantum Mar 31, 2026
arXiv:2603.26819v1 Announce Type: new Abstract: We present a protocol for actively suppressing Gauss law violations in quantum simulations of SU(2) lattice gauge theory. The protocol uses mid-circuit…
Research arXiv Quantum Mar 31, 2026
arXiv:2603.26826v1 Announce Type: new Abstract: A generalized formulation of non-relativistic quantum mechanics is developed within multidimensional geometric (NG) frameworks characterized by a…
Research arXiv Quantum Mar 31, 2026
arXiv:2603.26874v1 Announce Type: new Abstract: We argue that near-term experiments with neutral atoms in movable optical tweezers can simulate circuits that mimic the Trotterized time-evolution of…
Research arXiv Quantum Mar 31, 2026
arXiv:2603.26875v1 Announce Type: new Abstract: The set $\mathcal{Q}$ of quantum correlations is the collection of all possible probability distributions on measurement outcomes achievable by…
Research arXiv Quantum Mar 31, 2026
arXiv:2603.26904v1 Announce Type: new Abstract: Quantum computers promise massive computational speedup for problems in many critical domains, such as physics, chemistry, cryptanalysis, healthcare,…
Research arXiv Quantum Mar 31, 2026
arXiv:2603.26907v1 Announce Type: new Abstract: This paper considers two challenges faced by practical quantum networks: the bootstrapping of seedless Quantum Random Number Generators (QRNGs) and the…
Research arXiv Quantum Mar 31, 2026
arXiv:2603.26933v1 Announce Type: new Abstract: Measurements can be used to monitor the evolution of quantum systems and can give rise to quantized return statistics. It is known that the mean return…
Research arXiv Quantum Mar 31, 2026
arXiv:2603.26980v1 Announce Type: new Abstract: The standard Caldeira-Leggett model addresses the problem of Brownian motion in a thermal equilibrium environment. Here, we look for generalizations of…
Research arXiv Quantum Mar 31, 2026
arXiv:2603.27004v1 Announce Type: new Abstract: Fault-tolerant measurement-based quantum computing (MBQC) provides a compelling framework for fault-tolerant quantum computation, in which quantum…
Research arXiv Quantum Mar 31, 2026
arXiv:2603.27037v1 Announce Type: new Abstract: The Tensor Network Quantum Virtual Machine (TNQVM) is a high-performance classical circuit simulation backend for the eXtreme-scale ACCelerator (XACC)…
Research arXiv Quantum Mar 31, 2026
arXiv:2603.27041v1 Announce Type: new Abstract: Schrodinger path to the quantum mechanical wave equation was heuristic and guided more by physical intuition than formal deduction. Here we derive the…
Research arXiv Quantum Mar 31, 2026
arXiv:2603.27063v1 Announce Type: new Abstract: We present a new class of quantum neural networks (QNNs) whose states are solutions of $p$-adic Schr\"{o}dinger equations with a non-local potential…
Research arXiv Quantum Mar 31, 2026
arXiv:2603.27100v1 Announce Type: new Abstract: Critical phenomena of quantum systems offer a promising strategy to improve measurement precision. So far, many criticality-enhanced quantum…
Research arXiv Quantum Mar 31, 2026
arXiv:2603.27160v1 Announce Type: new Abstract: We investigate nonclassical photon-bundle correlations in the quantum Rabi model and its extended cases, using the quantum dressed master equation. By…
Research arXiv Quantum Mar 31, 2026
arXiv:2603.27231v1 Announce Type: new Abstract: Qubit controllers are essential for scaling superconducting quantum processors, but implementing them at the 10 mK stage of a dilution refrigerator…
Research arXiv Quantum Mar 31, 2026
arXiv:2603.27269v1 Announce Type: new Abstract: Foundation models have recently improved electrocardiogram (ECG) representation learning, but their deployment can be limited by computational cost and…
Research arXiv Quantum Mar 31, 2026
arXiv:2603.27278v1 Announce Type: new Abstract: Quantum Key Distribution (QKD) provides information-theoretic security by exploiting the principles of quantum mechanics. Among QKD protocols, the BB84…