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Quantum Physics Nov 13, 2024

How 'clean' does a quantum computing test facility need to be?

Now is the time to banish low-level radioactive energy sources from facilities that house and conduct experiments with superconducting qubits, according to a pair of recently published studies. Significantly improving quantum ...

Quantum Physics Nov 13, 2024

Researchers demonstrate universal control of a quantum dot-based system with four singlet-triplet qubits

Being able to precisely manipulate interacting spins in quantum systems is of key importance for the development of reliable and highly performing quantum computers. This has proven to be particularly challenging for nanoscale ...

Quantum Physics Nov 11, 2024

Compact error correction: Toward a more efficient 'quantum hard drive'

Two quantum information theorists at the University of Sydney Nano Institute have solved a decades-old problem that will require fewer qubits to suppress more errors in quantum hardware.

Quantum Physics Nov 9, 2024

Implementing topologically ordered time crystals on quantum processors

In a new study published in Nature Communications, scientists have implemented the topologically ordered time crystal on a quantum processor for the first time.

Nanophysics Oct 31, 2024

Fundamental quantum model recreated from nanographenes

The smallest unit of information in a computer is the bit: on or off, 1 or 0. Today, the world's entire computing power is built on the combination and interconnection of countless ones and zeros. Quantum computers have their ...

Condensed Matter Oct 30, 2024

Quantum simulator could help uncover materials for high-performance electronics

Quantum computers hold the promise to emulate complex materials, helping researchers better understand the physical properties that arise from interacting atoms and electrons. This may one day lead to the discovery or design ...

Quantum Physics Oct 30, 2024

25 km quantum network link between Dutch cities represents a key advance

An international research team led by QuTech has demonstrated a network connection between quantum processors over metropolitan distances. Their result marks a key advance from early research networks in the lab towards a ...

Quantum Physics Oct 17, 2024

Novel superconducting flux qubit can operate without being surrounded by a magnetic field

A team of computer engineers from the National Institute of Information and Communications Technology, NTT Corporation and Nagoya University have developed what they claim is the world's first superconducting flux qubit that ...

Quantum Physics Oct 16, 2024

Hybrid quantum error correction technique integrates continuous and discrete variables

A major challenge in realizing quantum computers is the development of quantum error correction technology. This technology offers a solution for addressing errors that occur in the qubit, the basic unit of quantum computation, ...

Quantum Physics Oct 15, 2024

Dual-species atomic arrays show promise for quantum error correction

A study in Nature Physics has realized a dual-species Rydberg array combining rubidium (Rb) and cesium (Cs) atoms to enhance quantum computing and its applications.

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