Search results for single-qubit

Quantum Physics Dec 28, 2020

Important milestone in the creation of a quantum computer

Quantum computer: One of the obstacles for progress in the quest for a working quantum computer has been that the working devices that go into a quantum computer and perform the actual calculations, the qubits, have hitherto ...

Quantum Physics Dec 28, 2020

New quantum nanodevice can simultaneously act as a heat engine and a refrigerator

A multitasking nanomachine that can act as a heat engine and a refrigerator at the same time has been created by RIKEN engineers. The device is one of the first to test how quantum effects, which govern the behavior of particles ...

Quantum Physics Dec 9, 2020

Researchers achieve quantum advantage

University of Copenhagen researchers have advanced their quantum technology to such a degree that classical computing technology can no longer keep up. They have developed a chip that, with financial backing, could be scaled ...

Quantum Physics Dec 9, 2020

Hidden symmetry could be key to more robust quantum systems, researchers find

Researchers have found a way to protect highly fragile quantum systems from noise, which could aid in the design and development of new quantum devices, such as ultra-powerful quantum computers.

Quantum Physics Dec 4, 2020

Chinese photonic quantum computer demonstrates quantum supremacy

A team of researchers affiliated with several institutions in China has built and tested a photonic quantum computer that demonstrates quantum supremacy. In their paper published in the journal Science, the group describes ...

Quantum Physics Nov 27, 2020

A phononic crystal coupled to a transmission line via an artificial atom

Researchers have recently displayed the interaction of superconducting qubits; the basic unit of quantum information, with surface acoustic wave resonators; a surface-wave equivalent of the crystal resonator, in quantum physics. ...

Nanophysics Nov 25, 2020

Quantum nanodiamonds may help detect disease earlier

The quantum sensing abilities of nanodiamonds can be used to improve the sensitivity of paper-based diagnostic tests, potentially allowing for earlier detection of diseases such as HIV, according to a study led by UCL researchers ...

Optics & Photonics Nov 4, 2020

Scientists manipulate the properties of quantum dots

Scientists at the National Research Nuclear University MEPhI (MEPhI) have demonstrated an increase in the intensity and emission rate of quantum dots. According to the authors of the study, the development could help to solve ...

Quantum Physics Oct 30, 2020

A new spin on atoms gives scientists a closer look at quantum weirdness

When atoms get extremely close, they develop intriguing interactions that could be harnessed to create new generations of computing and other technologies. These interactions in the realm of quantum physics have proven difficult ...

Quantum Physics Oct 29, 2020

Scientists launch quest to develop quantum sensors for probing quantum materials

When it comes to fully understanding the hidden secrets of quantum materials, it takes one to know one, scientists say: Only tools that also operate on quantum principles can get us there.

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