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quantum physics

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quantum computing

Machine Learning Aids Classical Modeling of Quantum Systems

By Lakshmi Chandrasekaran
September 14, 2023
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By using “classical shadows,” ordinary computers can beat quantum computers at the tricky task of understanding quantum behaviors.

quantum physics

Physicists Observe ‘Unobservable’ Quantum Phase Transition

By Charlie Wood
September 11, 2023
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Measurement and entanglement both have a “spooky” nonlocal flavor to them. Now physicists are harnessing that nonlocality to probe the spread of quantum information and control it.

A representation of cubits. In this image, they look like fragile bubbles arranged in a grid. Each bubble has similar mathematical markings on it, but they each have an illuminated arrow in their center that’s pointing a different way.
quantum computing

New Codes Could Make Quantum Computing 10 Times More Efficient

By Charlie Wood
August 25, 2023
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Quantum computing is still really, really hard. But the rise of a powerful class of error-correcting codes suggests that the task might be slightly more feasible than many feared.

The Joy of Why

Does Nothingness Exist?

By Steven Strogatz
July 26, 2023
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Even empty space bubbles with energy, according to quantum mechanics — and that fact affects almost every facet of physical reality. The theoretical physicist Isabel Garcia Garcia explains to Steven Strogatz why it’s so important in modern physics to understand what a true vacuum is.

geophysics

How Quantum Physicists Explained Earth's Weather Patterns

By Katie McCormick
July 18, 2023
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By treating Earth as a topological insulator — a state of quantum matter — physicists found a powerful explanation for the movements of the planet’s air and seas.

Q&A

The Physicist Who’s Challenging the Quantum Orthodoxy

By Thomas Lewton
July 10, 2023
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For decades, physicists have struggled to develop a quantum theory of gravity. But what if gravity — and space-time — are fundamentally classical?

An illustration of a black hole made out of computer circuits.
quantum information theory

In New Paradox, Black Holes Appear to Evade Heat Death

By George Musser
June 6, 2023
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The puzzling behavior of black hole interiors has led researchers to propose a new physical law: the second law of quantum complexity.

quantum gravity

The Physicist Who Glues Together Universes

By Charlie Wood
May 25, 2023
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Renate Loll has helped pioneer a radically new approach to quantum gravity. She assumes that the fabric of space-time is a blend of all possible fabrics, and she has developed the computational tools needed to calculate the far-reaching implications of that assumption.

quantum computing

Physicists Create Elusive Particles That Remember Their Pasts

By Charlie Wood
May 9, 2023
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In two landmark experiments, researchers used quantum processors to engineer exotic particles that have captivated physicists for decades. The work is a step toward crash-proof quantum computers.


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