Search results for quantum computer

Condensed Matter 1 hour ago

Research demonstrates high qubit control fidelity and uniformity in single-electron control

The journal Nature has published a research paper, "Probing single electrons across 300-mm spin qubit wafers," demonstrating state-of-the-art uniformity, fidelity and measurement statistics of spin qubits. The industry-leading ...

Optics & Photonics 18 hours ago

High-intensity spatial-mode steerable frequency up-converter toward on-chip integration

A study published in Opto-Electronic Science discusses high-intensity spatial-mode steerable frequency up-converter toward on-chip integration.

Nanophysics 19 hours ago

Researchers unlock potential of 2D magnetic devices for future computing

Imagine a future where computers can learn and make decisions in ways that mimic human thinking, but at a speed and efficiency that are orders of magnitude greater than the current capability of computers.

Quantum Physics 20 hours ago

Researchers build new device that is a foundation for quantum computing

Scientists led by the University of Massachusetts Amherst have adapted a device called a microwave circulator for use in quantum computers, allowing them for the first time to precisely tune the exact degree of nonreciprocity ...

Earth Sciences 21 hours ago

New computer algorithm supercharges climate models and could lead to better predictions of future climate change

Earth System Models—complex computer models that describe Earth processes and how they interact—are critical for predicting future climate change. By simulating the response of our land, oceans and atmosphere to manmade ...

Quantum Physics May 1, 2024

Generating graph states of atomic ensembles via photon-mediated entanglement

Graph states, a class of entangled quantum states that can be represented by graphs, have been the topic of numerous recent physics studies, due to their intriguing properties. These unique properties could make them particularly ...

Quantum Physics May 1, 2024

Scientists show that there is indeed an 'entropy' of quantum entanglement

Bartosz Regula from the RIKEN Center for Quantum Computing and Ludovico Lami from the University of Amsterdam have shown, through probabilistic calculations, that there is indeed, as had been hypothesized, a rule of entropy ...

Quantum Physics Apr 29, 2024

New system boosts efficiency of quantum error correction

The fragile qubits that make up quantum computers offer a powerful computational tool, yet also present a conundrum: How can engineers create practical, workable quantum systems out of bits that are so easily disturbed—and ...

General Physics Apr 29, 2024

Laser excitation of Th-229 nucleus: New findings suggest classical quantum physics and nuclear physics can be combined

Physicists have been hoping for this moment for a long time: For many years, scientists all around the world have been searching for a very specific state of thorium atomic nuclei that promises revolutionary technological ...

Astronomy Apr 29, 2024

America's 'big glass' dominance hangs on the fate of two powerful new telescopes

More than 100 years ago, astronomer George Ellery Hale brought two Pasadena institutions together to build what was then the largest optical telescope in the world. The Mount Wilson Observatory changed the conception of humankind's ...

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