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Quantum Physics Jun 20, 2022

The realization of measurement induced quantum phases on a trapped-ion quantum computer

Trapped-ion quantum computers are quantum devices in which trapped ions vibrate together and are fully isolated from the external environment. These computers can be particularly useful for investigating and realizing various ...

Quantum Physics Jun 10, 2022

Glimpses of quantum computing phase changes show researchers the tipping point

Researchers at Duke University and the University of Maryland have used the frequency of measurements on a quantum computer to get a glimpse into the quantum phenomena of phase changes—something analogous to water turning ...

Quantum Physics Jun 10, 2022

Theory suggests quantum computers should be exponentially faster on some learning tasks than classical machines

A team of researchers affiliated with multiple institutions in the U.S., including Google Quantum AI, and a colleague in Australia, has developed a theory suggesting that quantum computers should be exponentially faster on ...

Superconductivity Jun 3, 2022

Doubling up Cooper pairs to protect qubits in quantum computers from noise

A team of researchers affiliated with several institutions in France has developed a means of using pairs of Cooper pairs to protect qubits inside a quantum computer from external noise. In their paper published in the journal ...

Quantum Physics May 25, 2022

Error-free quantum computing gets real

In modern computers, errors during processing and storage of information have become a rarity due to high-quality fabrication. However, for critical applications, where even single errors can have serious effects, error correction ...

Quantum Physics May 24, 2022

Scientists use quantum computers to simulate quantum materials

Quantum computers promise to revolutionize science by enabling computations that were once thought impossible. But for quantum computers to become an everyday reality, there is a long way to go with many challenging tests ...

Quantum Physics May 6, 2022

In balance: Quantum computing needs the right combination of order and disorder

Research conducted within the Cluster of Excellence "Matter and Light for Quantum Computing" (ML4Q) has analyzed cutting-edge device structures of quantum computers to demonstrate that some of them are indeed operating dangerously ...

Quantum Physics May 4, 2022

Building a better quantum bit: New qubit breakthrough could transform quantum computing

You are no doubt viewing this article on a digital device whose basic unit of information is the bit, either 0 or 1. Scientists worldwide are racing to develop a new kind of computer based on the use of quantum bits, or qubits, ...

General Physics May 3, 2022

New control electronics for quantum computers that improve performance, cut costs

When designing a next-generation quantum computer, a surprisingly large problem is bridging the communication gap between the classical and quantum worlds. Such computers need a specialized control and readout electronics ...

Quantum Physics Apr 27, 2022

Fault-tolerant quantum computer memory in diamond

Quantum computing holds the potential to be a game-changing future technology in fields ranging from chemistry to cryptography to finance to pharmaceuticals. Compared to conventional computers, scientists suggest that quantum ...

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