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Science

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Quantum communicaiton, Quantum Computing

Researchers Demonstrate Promising Method for Improving Quantum Information Processing

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A team of researchers led by the Department of Energy’s Oak Ridge National Laboratory has demonstrated a new method for splitting light beams into their frequency modes, work that could spur advancements in quantum information processing and distributed quantum computing.

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University of Vienna, University of Belgrade, , Austrian Academy of Sciences, Borivoje Dakić , Aleksandra Dimić , Fingerprints, quantum entanglement, Quantum, Quantum Computer, npj Quantum Information , Nature Publishing Group, Open Access

Fingerprints of Quantum Entanglement

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Quantum entanglement is a key feature of a quantum computer. Yet, how can we verify that a quantum computer indeed incorporates a large-scale entanglement? Using conventional methods is hard since they require a large number of repeated measurements. Aleksandra Dimić from the University of Belgrade and Borivoje Dakić from the Austrian Academy of Sciences and the University of Vienna have developed a novel method where in many cases even a single experimental run suffices to prove the presence of entanglement. Their surprising results will be published in the online open access journal npj Quantum Information of the Nature Publishing group.

Science

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Ames Laboratory, Supercondductor, iron arsenide, condensed matter physics and materials, Magnetic Materials

Missing Link to Novel Superconductivity Revealed at Ames Laboratory

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Scientists at the U.S. Department of Energy’s Ames Laboratory have discovered a state of magnetism that may be the missing link to understanding the relationship between magnetism and unconventional superconductivity.

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Quantum, Physics, quantum foundations, Quantum Theory

Live Webcast to Explore How to Decipher Quantum Mysteries

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Join physicist Robert Spekkens for a live webcast Feb. 7 as he draws unexpected parallels between Egyptian hieroglyphs, Plato’s philosophy, and the puzzles of quantum theory.

Science

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University of Vienna, quantum-clock, Cesare Franchini, Schrödinger equation, multiple quantum interactions , Material, Quantum Computers, Ferroelectric

The Schrödinger Equation as a Quantum Clock

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Materials with controllable quantum mechanical properties are of great importance for the electronics and quantum computers of the future. However, finding or designing realistic materials that actually have these effects is a big challenge. Now, an international theory and computational team led by Cesare Franchini from the University of Vienna, find that multiple quantum interactions can coexist in a single real material and show how an electric field can be used to control them. The results of this research are now published in Nature Communications.

Science

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Home Building, Moisture Durability, Quantum Computers, Energy Efficiency, Supercomputing and high-performance computing, renewable plastics, 3D Bioprinting, Toughness, Manufacturing, Wall assemblies

Story Tips From the Department of Energy's Oak Ridge National Laboratory, February 2018

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• ORNL research says quantum computers will use much less energy than current supercomputers, a potential cost benefit to equipment manufacturers and data centers • ORNL creates supertough renewable plastic with improved manufacturability. • A new ORNL system will help builders and home designers select the best construction materials for long-term moisture durability.

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Groundbreaking Experiment Will Test the Limits of Quantum Theory

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Scientists from three UK universities are to test one of the fundamental laws of physics as part of a major Europe-wide project awarded more than £3m in funding.

Science

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Basic Energy Sciences, Basic Energy Research, Material Science, material sciences, Materials Science, Materials Science & Engineering, materials science engineering, Advanced Scientific Computing Research, ASCR, BES, UCI, PRL, Physical Review Letters , Physical Review Applied, SQUIDs, flux, Oxygen, oxygen absorbers, Advanced Photon Source (APS), Advanced Pho

What’s the Noise Eating Quantum Bits?

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The magnetic noise caused by adsorbed oxygen molecules is “eating at” the phase stability of quantum bits, mitigating the noise is vital for future quantum computers.

Science

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Quantum Dot, quantum dot glow, data transmission, perowskite, Opto Electronics, opto-electronic, Research & Technology

Extremely Bright and Fast Light Emission

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A type of quantum dot that has been intensively studied in recent years can reproduce light in every colour and is very bright. An international research team including scientists from Empa has now discovered why this is the case. The quantum dots could someday be used in LEDs.







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