Kinetic-inductance-incorporated quantization for accurate Hamiltonian prediction in superconducting circuits

• Abstract We propose an improved method for quantizing superconducting circuits that incorporates material- and geometry-dependent kinetic inductance • Our approach models thin su

Quantum Computing · February 26, 2026 (updated February 26, 2026) · 1 min · 209 words

Learning parameterized quantum circuits with quantum gradient

• Abstract Parameterized quantum circuits (PQCs) are crucial for quantum machine learning and circuit synthesis, enabling the practical implementation of complex quantum tasks • Ho

Quantum Computing · February 26, 2026 (updated February 26, 2026) · 2 min · 220 words

Towards telecom-compatible quantum nodes using erbium-doped stoichiometric EuCl<sub>3</sub> ⋅ 6H<sub>2</sub>O crystals

• Subjects Quantum information Quantum optics Abstract Doping erbium ions into europium-based hosts offers a promising platform for quantum repeater nodes, combining europium’s exc

Quantum Computing · February 26, 2026 (updated February 26, 2026) · 2 min · 257 words
Hybrid Consensus with Quantum Sybil Resistance

Hybrid Consensus with Quantum Sybil Resistance

• Quantum Physics [Submitted on 25 Feb 2026] Title:Hybrid Consensus with Quantum Sybil Resistance View PDFAbstract:Sybil resistance is a key requirement of decentralized consensus

Instruction-Set Architecture for Programmable NV-Center Quantum Repeater Nodes

Instruction-Set Architecture for Programmable NV-Center Quantum Repeater Nodes

• Quantum Physics [Submitted on 16 Feb 2026 (v1), last revised 24 Feb 2026 (this version, v2)] Title:Instruction-Set Architecture for Programmable NV-Center Quantum Repeater Nodes

Quobly and Entropica Labs Form Strategic Alliance to Advance Silicon-Based Fault Tolerance

• Quobly, a French pioneer in silicon-based quantum computing, and Entropica Labs, a Singapore-based quantum software firm, have signed a Memorandum of Understanding (MoU) to co-de

Quantum Computing · February 26, 2026 (updated February 26, 2026) · 1 min · 169 words
Keeper Security Integrates Kyber to Provide Quantum-Resistant Identity Protection

Keeper Security Integrates Kyber to Provide Quantum-Resistant Identity Protection

• Keeper Securityhas announced the integration of theKyberkey encapsulation mechanism across its platform to protect against future quantum computing threats • Kyber, a lattice-bas

Quantum Computing · February 26, 2026 (updated February 26, 2026) · 2 min · 214 words

Ion bombardment triggers a reliable quantum switch in tantalum disulfide crystals

• When you toss a coin, you put it into a higher-energy state until it falls back down again • It can then end up in one of two possible states: heads or tails • No matter which st

Science · February 25, 2026 (updated February 25, 2026) · 1 min · 170 words
The Man Who Stole Infinity

The Man Who Stole Infinity

• The Man Who Stole Infinity When Demian Goos followed Karin Richter into her office on March 12 of last year, the first thing he noticed was the bust • It sat atop a tall pedestal

Quantum Computing · February 25, 2026 (updated February 25, 2026) · 2 min · 234 words
Quantum discovery could enable efficient battery-free, energy-harvesting devices

Quantum discovery could enable efficient battery-free, energy-harvesting devices

• Quantum discovery could enable efficient battery-free, energy-harvesting devices Quantum material converts ambient alternating signals into usable direct current without magnets

TCL X11L TV Hands-On: Huge Super Quantum Dot TV Is a Lot of Fun, but It's Expensive

TCL X11L TV Hands-On: Huge Super Quantum Dot TV Is a Lot of Fun, but It's Expensive

• Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks • If you buy through our links, we may get a commission • How we t

Consumer Tech · February 25, 2026 (updated February 25, 2026) · 2 min · 252 words
Breaking encryption with a quantum computer just got 10 times easier

Breaking encryption with a quantum computer just got 10 times easier

• Quantum computers can theoretically crack common encryption methodsBlackJack3D/Getty Images Quantum computers can theoretically crack common encryption methods BlackJack3D/Getty

Science · February 25, 2026 (updated February 25, 2026) · 2 min · 291 words
A simple chemical tweak could supercharge quantum computers

A simple chemical tweak could supercharge quantum computers

• A simple chemical tweak could supercharge quantum computers A small chemical tweak may unlock the exotic materials needed to power tomorrowâ s quantum computers • Even the fastes

Science · February 25, 2026 (updated February 25, 2026) · 2 min · 244 words

Unveiling clean two-dimensional discrete time crystals on a digital quantum computer

• Abstract Periodically driven (Floquet) many-body systems tend to absorb energy and approach an infinite-temperature state, yet can host emergent order such as discrete time cryst

Quantum Computing · February 25, 2026 (updated February 25, 2026) · 2 min · 290 words
Scalable hybrid quantum Monte Carlo simulation of U(1) gauge field coupled to fermions on GPU

Scalable hybrid quantum Monte Carlo simulation of U(1) gauge field coupled to fermions on GPU

• Condensed Matter > Strongly Correlated Electrons [Submitted on 22 Aug 2025 (v1), last revised 24 Feb 2026 (this version, v5)] Title:Scalable hybrid quantum Monte Carlo simulation

Telemetry-Based Server Selection in the Quantum Internet via Cross-Layer Runtime Estimation

Telemetry-Based Server Selection in the Quantum Internet via Cross-Layer Runtime Estimation

• Quantum Physics [Submitted on 24 Feb 2026] Title:Telemetry-Based Server Selection in the Quantum Internet via Cross-Layer Runtime Estimation View PDF HTML (experimental)Abstract:

Quantum effect could power the next generation of battery-free devices

• A new study has revealed how tiny imperfections and vibrations inside a promising quantum material could be used to control an unusual quantum effect, opening new possibilities f

Science · February 25, 2026 (updated February 25, 2026) · 1 min · 82 words
4colors Research Secures UK Space Agency and NQCC SparQ Contracts for Optimization

4colors Research Secures UK Space Agency and NQCC SparQ Contracts for Optimization

• 4colors Researchhas been awarded two separate contracts to advance optimization capabilities in the space and aerospace sectors. • The first is a proof-of-concept contract from t

Quantum Computing · February 24, 2026 (updated February 25, 2026) · 2 min · 244 words
Quantcore Secures £2.5M ($3.4M USD) to Establish Sovereign Niobium-Based Quantum Hardware Manufacturing

Quantcore Secures £2.5M ($3.4M USD) to Establish Sovereign Niobium-Based Quantum Hardware Manufacturing

• Quantcore, aUniversity of Glasgowspin-out, has closed a £2.5 million ($3.4 million USD) seed funding round co-led byPXN Ventures,Blackfinch Ventures, andScottish Enterprise, with

Quantum Computing · February 24, 2026 (updated February 25, 2026) · 2 min · 222 words

Simulating sparse SYK model with a randomized algorithm on a trapped-ion quantum computer

• Abstract The Sachdev-Ye-Kitaev (SYK) model describes a strongly correlated quantum system that shows a strong signature of quantum chaos. • Due to its chaotic nature, the simulat

Quantum Computing · February 24, 2026 (updated February 25, 2026) · 2 min · 358 words

Hybrid quantum-classical clustering for preparing a prior distribution of eigenspectrum

• Abstract Determining the energy gap in a quantum many-body system is critical to understanding its behavior and is important in quantum chemistry and condensed matter physics. •

Quantum Computing · February 24, 2026 (updated February 25, 2026) · 2 min · 398 words
Loophole found that makes quantum cloning possible

Loophole found that makes quantum cloning possible

• Backing up information on quantum computers is trickyRUSLANAS BARANAUSKAS/SCIENCE PHOTO LIBRARY/Alamy Backing up information on quantum computers is tricky RUSLANAS BARANAUSKAS/S

Science · February 24, 2026 (updated February 25, 2026) · 2 min · 248 words

Overcoming Dimensional Factorization Limits in Discrete Diffusion Models through Quantum Joint Distribution Learning

• Abstract Discrete diffusion models typically rely on dimension-wise factorization to avoid computational intractability. • However, we rigorously prove this approach leads to wor

Quantum Computing · February 24, 2026 (updated February 24, 2026) · 2 min · 241 words

Symbolic analysis of Grover search algorithm via Chain-of-Thought reasoning and quantum-native tokenization

• Subjects Mathematics and computing Physics Abstract Understanding the high-level conceptual structure of quantum algorithms from their low-level circuit representations is a crit

Quantum Computing · February 24, 2026 (updated February 24, 2026) · 2 min · 257 words

A Variational Qubit-Efficient MaxCut Heuristic Algorithm

• Abstract MaxCut is a key NP-hard combinatorial optimization problem. • Quantum computing offers methods to solve such problems potentially better than classical counterparts, wit

Quantum Computing · February 24, 2026 (updated February 24, 2026) · 2 min · 245 words

Quantum simulation via stochastic combination of unitaries

• Abstract Quantum simulation algorithms often require numerous ancilla qubits and deep circuits, prohibitive for near-term hardware. • We introduce a framework for simulating quan

Quantum Computing · February 24, 2026 (updated February 25, 2026) · 2 min · 314 words

Improved quantum computation using operator backpropagation

• Abstract Decoherence of quantum hardware is currently limiting its practical applications. • At the same time, classical algorithms for simulating quantum circuits have progresse

Quantum Computing · February 24, 2026 (updated February 25, 2026) · 2 min · 372 words

Entanglement buffering with multiple quantum memories

• Abstract Entanglement buffers are systems that maintain high-quality entanglement, ensuring it is readily available for consumption when needed. • We study the performance of a t

Quantum Computing · February 24, 2026 (updated February 25, 2026) · 2 min · 333 words

Unfolded distillation: very low-cost magic state preparation for biased-noise qubits

• Abstract Magic state distillation enables universal fault-tolerant quantum computation by implementing non-Clifford gates via the preparation of high-fidelity magic states. • How

Quantum Computing · February 24, 2026 (updated February 25, 2026) · 2 min · 416 words

TensorHyper-VQC: a tensor-train-guided hypernetwork for robust and scalable variational quantum computing

• Abstract Variational Quantum Computing (VQC) faces fundamental scalability barriers, primarily due to the presence of barren plateaus and its sensitivity to quantum noise. • To a

Quantum Computing · February 24, 2026 (updated February 25, 2026) · 2 min · 337 words
Meta-designing quantum experiments with language models

Meta-designing quantum experiments with language models

• Abstract Artificial intelligence can solve complex scientific problems beyond human capabilities, but the resulting solutions offer little insight into the underlying physical pr

Research & Labs · February 24, 2026 (updated February 25, 2026) · 2 min · 367 words
IonQ Selected for Missile Defense Agency SHIELD IDIQ Contract

IonQ Selected for Missile Defense Agency SHIELD IDIQ Contract

• IonQ(NYSE: IONQ) has been selected as an eligible contractor for theMissile Defense Agency (MDA)Scalable Homeland Innovative Enterprise Layered Defense (SHIELD)indefinite-deliver

Quantum Computing · February 23, 2026 (updated February 25, 2026) · 2 min · 416 words
Michael Saylor says quantum threat to Bitcoin is more than 10 years away

Michael Saylor says quantum threat to Bitcoin is more than 10 years away

• Michael Saylor says quantum threat to Bitcoin is more than 10 years away The Strategy CEO downplayed quantum risks on Natalie Brunell’s Coin Stories podcast, saying any credible

FinTech · February 23, 2026 (updated February 24, 2026) · 2 min · 294 words
NQFF and Qolab Collaborate on Wafer-Scale Cryogenic Filters for Quantum Scaling

NQFF and Qolab Collaborate on Wafer-Scale Cryogenic Filters for Quantum Scaling

• TheNational Quantum Federated Foundry (NQFF)andQolabhave entered into a research collaboration to develop integrated cryogenic low-pass filters for quantum processors. • The proj

Quantum Computing · February 23, 2026 (updated February 25, 2026) · 2 min · 302 words
How Can Infinity Come in Many Sizes?

How Can Infinity Come in Many Sizes?

• An editorially independent publication supported by the Simons Foundation. • Get the latest news delivered to your inbox. • Type search term(s) and press enter Popular Searches F

Quantum Computing · February 23, 2026 (updated February 25, 2026) · 3 min · 492 words

Bringing quantum ideas to the messy world of disordered proteins

• Imagine trying to design a key for a lock that is constantly changing its shape. • That is the exact challenge we face in modern drug discovery when dealing with intrinsically di

Science · February 23, 2026 (updated February 24, 2026) · 1 min · 127 words
IQM to List on U.S. Exchange via Merger with Real Asset Acquisition Corp.

IQM to List on U.S. Exchange via Merger with Real Asset Acquisition Corp.

• IQM Finland OyandReal Asset Acquisition Corp.(Nasdaq: RAAQ) have entered into a definitive business combination agreement, positioning IQM as the first European quantum computing

Quantum Computing · February 23, 2026 (updated February 25, 2026) · 2 min · 376 words

Quantum computers go high-dimensional with a four-state photon gate

• The collaboration of TU Wien with research groups in China has resulted in a crucial building block for a new kind of quantum computer: The realization of a novel type of quantum

Science · February 23, 2026 (updated February 24, 2026) · 1 min · 156 words

Quantum algorithm beats classical tools on complement sampling tasks

• Quantum computers-devices that process information using quantum mechanical effects-have long been expected to outperform classical systems on certain tasks. • Over the past few

Science · February 23, 2026 (updated February 24, 2026) · 1 min · 133 words
Quantum data teleported 19 miles across German capital with 95% peak accuracy

Quantum data teleported 19 miles across German capital with 95% peak accuracy

• Quantum data teleported 19 miles across German capital with 95% peak accuracy The trial recorded teleportation fidelities at an average of 90 percent. • Researchers in Berlin hav

Quantum data teleported 19 miles across German capital with 95% peak accuracy

Quantum data teleported 19 miles across German capital with 95% peak accuracy

• Quantum data teleported 19 miles across German capital with 95% peak accuracy The trial recorded teleportation fidelities at an average of 90 percent. • Researchers in Berlin hav

Australian Government Allocates $12.7M AUD ($9M USD) to Industrialize Quantum Prototypes

Australian Government Allocates $12.7M AUD ($9M USD) to Industrialize Quantum Prototypes

• TheAustralian Governmenthas finalized $12.7 million AUD ($9 million USD) in funding for eight projects under Stage 2 of theCritical Technologies Challenge Program (CTCP). • This

Quantum Computing · February 23, 2026 (updated February 25, 2026) · 2 min · 348 words
To freeze or not to freeze: Satoshi and the $440 billion in bitcoin threatened by quantum computing

To freeze or not to freeze: Satoshi and the $440 billion in bitcoin threatened by quantum computing

• To freeze or not to freeze: Satoshi and the $440 billion in bitcoin threatened by quantum computing As quantum computing inches closer to reality, nearly 7 million bitcoin, inclu

Quantum reservoir computing peaks at the edge of many-body chaos, study suggests

• Reservoir computing is a promising machine learning-based approach for the analysis of data that changes over time, such as weather patterns, recorded speech or stock market tren

Science · February 22, 2026 (updated February 24, 2026) · 1 min · 163 words

TensorHyper-VQC: a tensor-train-guided hypernetwork for robust and scalable variational quantum computing

• Abstract Variational Quantum Computing (VQC) faces fundamental scalability barriers, primarily due to the presence of barren plateaus and its sensitivity to quantum noise. • To a

Quantum Computing · February 22, 2026 (updated February 23, 2026) · 2 min · 227 words
Quantum Elements Secures Additional Funding for AI-Driven Development Platform

Quantum Elements Secures Additional Funding for AI-Driven Development Platform

• Quantum Elements, a Los Angeles-based startup focused on streamlining quantum application development has received new funding. • The investment, structured as aSAFE, also includ

Quantum Computing · February 22, 2026 (updated February 25, 2026) · 1 min · 210 words

An automated geometric space curve approach for designing dynamically corrected gates

• BARQ uses Bézier curves to design single‑qubit dynamically corrected gates, separating gate target from noise suppression. • The space‑curve formalism maps quantum evolution to g

Quantum Computing · February 22, 2026 (updated February 24, 2026) · 1 min · 190 words

Overcoming Dimensional Factorization Limits in Discrete Diffusion Models through Quantum Joint Distribution Learning

• Abstract Discrete diffusion models typically rely on dimension-wise factorization to avoid computational intractability. • However, we rigorously prove this approach leads to wor

Quantum Computing · February 22, 2026 (updated February 23, 2026) · 2 min · 242 words

Symbolic analysis of Grover search algorithm via Chain-of-Thought reasoning and quantum-native tokenization

• Subjects Mathematics and computing Physics Abstract Understanding the high-level conceptual structure of quantum algorithms from their low-level circuit representations is a crit

Quantum Computing · February 22, 2026 (updated February 23, 2026) · 2 min · 250 words

A Variational Qubit-Efficient MaxCut Heuristic Algorithm

• Abstract MaxCut is a key NP-hard combinatorial optimization problem. • Quantum computing offers methods to solve such problems potentially better than classical counterparts, wit

Quantum Computing · February 22, 2026 (updated February 23, 2026) · 2 min · 237 words

Quantum simulation via stochastic combination of unitaries

• Abstract Quantum simulation algorithms often require numerous ancilla qubits and deep circuits, prohibitive for near-term hardware. • We introduce a framework for simulating quan

Quantum Computing · February 22, 2026 (updated February 23, 2026) · 1 min · 211 words

Improved quantum computation using operator backpropagation

• Abstract Decoherence of quantum hardware is currently limiting its practical applications. • At the same time, classical algorithms for simulating quantum circuits have progresse

Quantum Computing · February 22, 2026 (updated February 23, 2026) · 2 min · 268 words

Entanglement buffering with multiple quantum memories

• Abstract Entanglement buffers are systems that maintain high-quality entanglement, ensuring it is readily available for consumption when needed. • We study the performance of a t

Quantum Computing · February 22, 2026 (updated February 23, 2026) · 1 min · 210 words

Unfolded distillation: very low-cost magic state preparation for biased-noise qubits

• Abstract Magic state distillation enables universal fault-tolerant quantum computation by implementing non-Clifford gates via the preparation of high-fidelity magic states. • How

Quantum Computing · February 22, 2026 (updated February 23, 2026) · 2 min · 268 words
Meta-designing quantum experiments with language models

Meta-designing quantum experiments with language models

• Abstract Artificial intelligence can solve complex scientific problems beyond human capabilities, but the resulting solutions offer little insight into the underlying physical pr

Research & Labs · February 22, 2026 (updated February 23, 2026) · 2 min · 268 words
UCalgary Joins National Quantum Co-laboratory to Expand Distributed Research Infrastructure

UCalgary Joins National Quantum Co-laboratory to Expand Distributed Research Infrastructure

• TheUniversity of Calgary’s Institute for Quantum Science and Technology (IQST)has joined the national Quantum Co-laboratory as the network enters its second five-year term. • Thi

Quantum Computing · February 21, 2026 (updated February 25, 2026) · 2 min · 218 words
Tectonic Labs Releases PQ Wallet and Post-Quantum Audit Services for EVM Chains

Tectonic Labs Releases PQ Wallet and Post-Quantum Audit Services for EVM Chains

• Tectonic Labshas releasedPQ Wallet, a browser-based EVM extension supporting Falcon-512 quantum-resistant signatures. • The implementation operates at the application layer, main

Quantum Computing · February 21, 2026 (updated February 25, 2026) · 2 min · 222 words
MerLin: Framework for Differentiable Photonic Quantum Machine Learning

MerLin: Framework for Differentiable Photonic Quantum Machine Learning

• MerLin 0.3is an open-source framework developed byQuandelafor the systematic exploration of photonic and hybrid quantum machine learning (QML). • Built on the Perceval SDK, it ut

Quantum Computing · February 21, 2026 (updated February 25, 2026) · 2 min · 236 words
Scientists may have found the holy grail of quantum computing

Scientists may have found the holy grail of quantum computing

• Scientists may have found the holy grail of quantum computing A rare metal alloy may be the long-sought key to ultra-fast quantum computers that waste virtually no energy. • Scie

Science · February 21, 2026 (updated February 24, 2026) · 2 min · 232 words

Efficient witnessing and testing of magic in mixed quantum states

• Abstract Nonstabilizerness, or ‘magic’, is a crucial resource for quantum computation, but quantifying the magic of mixed states has been a notoriously difficult task. • We intro

Quantum Computing · February 21, 2026 (updated February 24, 2026) · 2 min · 283 words