Seeking out silent threats to simulation integrity
Large-scale computing has become a necessity for solving the nation's most intractable problems. Due to their sheer number of cores, high-end computers increasingly exhibit intermittently incorrect behaviors—referred ...
New approach enhances quantum-based secure communication
University of Calgary scientists have overcome an 'Achilles' heel' of quantum-based secure communication systems, using a new approach that works in the real world to safeguard secrets.
Physics team suggests possible way to make quantum cryptography available in handheld machines
Researchers discover quantum algorithm that could improve stealth fighter design
(Phys.org) —Researchers at the Johns Hopkins University Applied Physics Laboratory (APL) have devised a quantum algorithm for solving big linear systems of equations. Furthermore, they say the algorithm could be used to ...
Researchers prove quantum algorithm works by solving linear equations on a quantum computer
Researchers develop quantum computer algorithm for counting prime numbers
Quantum algorithm breakthrough
An international research group led by scientists from the University of Bristol, UK, and the University of Queensland, Australia, has demonstrated a quantum algorithm that performs a true calculation for the first time. ...
Efficient distributed quantum computing
(Phys.org)—A quantum computer doesn't need to be a single large device but could be built from a network of small parts, new research from the University of Bristol has demonstrated. As a result, building ...
Quantum cryptography put to work for electric grid security
A Los Alamos National Laboratory quantum cryptography (QC) team has successfully completed the first-ever demonstration of securing control data for electric grids using quantum cryptography.
Quantum computing with recycled particles
A research team from the University of Bristol's Centre for Quantum Photonics (CQP) have brought the reality of a quantum computer one step closer by experimentally demonstrating a technique for significantly reducing the ...
Scalable device for quantum information processing
(Phys.org) -- Researchers in NPL's Quantum Detection Group have demonstrated for the first time a monolithic 3D ion microtrap array which could be scaled up to handle several tens of ion-based quantum bits ...
143 is largest number yet to be factored by a quantum algorithm
Quantum control protocols could lead to more accurate, larger scale quantum computations
A protocol for controlling quantum information pioneered by researchers at UC Santa Barbara, the Kavli Institute of Nanoscience in Delft, the Netherlands, and the Ames Laboratory at Iowa State University could ...
A dynamical quantum simulator
(PhysOrg.com) -- An international collaboration demonstrates the superiority of a dynamical quantum simulator over state-of-the-art numerical calculations.