QuantumX

Quantum News, including Quantum Computing and Quantum Technology. Bringing the Latest Quantum News and Quantum Computing News from around the planet to you!

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IBM, Qedma and Algorithmiq show quantum advantage with trusted computation

#qedma #algorithmiq #bluequbit https://t.co/novdsrz0C1

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Large post-quantum keys slow Virtual Private Network handshakes, tests show https://t.co/L7uxtPfvzP

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IQM Quantum Computers has fully entangled all 54 qubits on its Emerald processor simultaneously, a feat previously uncommon in commercially available systems where algorithms typically used around 30 qubits reliably.

#iqm

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Researchers from the University of Regensburg , Philipps-Universität Marburg, and Forschungszentrum Jülich have, for the first time, visualized electrons in graphene seemingly bypassing established rules of energy transfer.

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Rutgers finds quantum two particle groups in superconductor swirls

Rutgers physicists have distinguished two groups of particles trapped within the magnetic vortices inside a superconductor, a detail previously unobservable with conventional techniques.

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Scientists film electrons shifting in graphene with each light wave

Researchers have, for the first time, visualized Landau-Zener-Majorana (LZM) tunnelling, described as “notoriously elusive”, within graphene using attosecond-precision subcycle band-structure videography.

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Chalmers team cuts qubit crosstalk with clever capacitor design

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A recent experiment revealed a quantized conductance of e^2/2h in a quantum point contact between fractional quantum Hall edges, a setup researchers are calling a “quantum Hall transformer”, before this conductance unexpectedly vanishes at low temperatures.

#universityofmaryland

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DOE’s Genesis Mission Drives Data and Quantum Computing Talks

#lawrenceberkeleynationallaboratory

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Hitesh Changlani to model electrons in quantum materials

Florida State University physicist Hitesh Changlani will model the behavior of electrons in quantum materials with a $2 million Department of Energy grant shared with Brown University’s Kemp Plumb.

#departmentofenergy

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Pauli Z dressing unlocks universal quantum gates in limited spaces

Researchers have demonstrated a method for achieving universal quantum gate operation even within limited computational spaces, such as those with fixed particle number or spin.

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Quantum simulators may become advantageous in the high-energy regime.

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A new benchmark tests quantum algorithms with realistic noise

Researchers have established a new benchmark for evaluating quantum algorithms by testing their ability to prepare ground states amidst realistic noise.

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NVision Quantum designs molecule for qubit function

The team reports achieving millisecond-scale retention of a quantum state, a duration significantly longer than many current qubit technologies allow for more complex calculations before decoherence.

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Verona launches a network upgrade to resist quantum attacks

Verona has launched Fermi, an upgrade to its mainnet that brings native post-quantum signatures to every account on the network.

The move addresses a rapidly compressing timeline for quantum threats.

#nist

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A single leak bound now secures quantum key distribution

Abhishek Mishra of Université libre de Bruxelles (ULB) and colleagues demonstrate a path toward securing quantum key distribution (QKD) with a significantly simplified set of assumptions.

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JPMorganChase combines quantum authentication and key expansion in one protocol

JPMorganChase researchers have developed a quantum authentication protocol, QAKE, that combines client authentication and key expansion into a single process.

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Long-lived defects trap qubit energy, study finds

Researchers at the Karlsruhe Institute of Technology have identified that non-Poissonian quantum jump traces reveal the presence of long-lived two-level systems that hinder the performance of superconducting qubits.

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Quantum-classical system solves EV charging on IBM hardware

Researchers at Fraunhofer IOSB-AST and Honda Research Institute Europe GmbH have developed a hybrid quantum-classical framework to optimize electric vehicle (EV) charging and trip assignments.

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PsiQuantum unveils low-loss silicon photonics optical switch

Has demonstrated an 8×8 radix Optical Circuit Switch, achieving 1.2 dB of insertion loss in testing, a performance level the company reports is typical.

#psiquantum