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Superconductivity Feb 5, 2024

Research offer direct view of tantalum oxidation that impedes qubit coherence

Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and DOE's Pacific Northwest National Laboratory (PNNL) have used a combination of scanning transmission electron microscopy (STEM) and computational ...

Nanophysics Feb 5, 2024

Magnesium protects tantalum, a promising material for making qubits

Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have discovered that adding a layer of magnesium improves the properties of tantalum, a superconducting material that shows great promise ...

Optics & Photonics Feb 2, 2024

A physical qubit with built-in error correction

There has been significant progress in the field of quantum computing. Big global players, such as Google and IBM, are already offering cloud-based quantum computing services. However, quantum computers cannot yet help with ...

Quantum Physics Feb 1, 2024

Experimentation explores defects and fluctuations in quantum devices

Experimental research conducted by a joint team from Los Alamos National Laboratory and D-Wave Quantum Systems examines the paradoxical role of fluctuations in inducing magnetic ordering on a network of qubits.

Optics & Photonics Feb 1, 2024

Device could jumpstart work toward quantum internet

In research that could jumpstart work toward the quantum internet, researchers at MIT and the University of Cambridge have built and tested an exquisitely small device that could allow the quick, efficient flow of quantum ...

Quantum Physics Jan 25, 2024

Shaping the dawn of the quantum age

Electrons that spin to the right and the left at the same time. Particles that change their states together, even though they are separated by enormous distances. Intriguing phenomena like these are completely commonplace ...

Condensed Matter Jan 24, 2024

What coffee with cream can teach us about quantum physics

Add a dash of creamer to your morning coffee, and clouds of white liquid will swirl around your cup. But give it a few seconds, and those swirls will disappear, leaving you with an ordinary mug of brown liquid.

Nanophysics Jan 18, 2024

Scientists create qubits using precision tools of nanotechnology

Silicon carbide is becoming a major player on the quantum scene. Widely used in specialized electronics goods such as LEDs and electric vehicles, silicon carbide boasts versatility, wide commercial availability, and growing ...

Condensed Matter Jan 17, 2024

Researchers find evidence of long-lived valley states in bilayer graphene quantum dots

In quantum computing, the question as to what physical system and which degrees of freedom within that system may be used to encode quantum bits of information—qubits, in short—is at the heart of many research projects carried ...

Quantum Physics Jan 15, 2024

Solid-state qubits: Forget about being clean, embrace mess

New findings debunk previous wisdom that solid-state qubits need to be super dilute in an ultra-clean material to achieve long lifetimes. Instead, cram lots of rare-earth ions into a crystal, and some will form pairs that ...

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