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quantum gravity

quantum physics

How Big Can the Quantum World Be? Physicists Probe the Limits.

By Philip Ball
August 18, 2021
Read Later

By showing that even large objects can exhibit bizarre quantum behaviors, physicists hope to illuminate the mystery of quantum collapse, identify the quantum nature of gravity, and perhaps even make Schrödinger’s cat a reality.

Math Meets QFT

A Video Tour of the Standard Model

By Kevin Hartnett
July 16, 2021
Read Later

The Standard Model is a sweeping equation that has correctly predicted the results of virtually every experiment ever conducted, as Quanta explores in a new video.

Math Meets QFT

Nathan Seiberg on How Math Might Complete the Ultimate Physics Theory

By Kevin Hartnett
June 24, 2021
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Even in an incomplete state, quantum field theory is the most successful physical theory ever discovered. Nathan Seiberg, one of its leading architects, talks about the gaps in QFT and how mathematicians could fill them.

Math Meets QFT

Mathematicians Prove 2D Version of Quantum Gravity Really Works

By Charlie Wood
June 17, 2021
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In three towering papers, a team of mathematicians has worked out the details of Liouville quantum field theory, a two-dimensional model of quantum gravity.

Math Meets QFT

The Mystery at the Heart of Physics That Only Math Can Solve

By Kevin Hartnett
June 10, 2021
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The accelerating effort to understand the mathematics of quantum field theory will have profound consequences for both math and physics.

An illustration of an airplane with its contrails coming out in front of it.
quantum gravity

Quantum Mischief Rewrites the Laws of Cause and Effect

By Natalie Wolchover
March 11, 2021
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Spurred on by quantum experiments that scramble the ordering of causes and their effects, some physicists are figuring out how to abandon causality altogether.

Illustration of a particle
Hidden Structure

What Is a Particle?

By Natalie Wolchover
November 12, 2020
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It has been thought of as many things: a pointlike object, an excitation of a field, a speck of pure math that has cut into reality. But never has physicists’ conception of a particle changed more than it is changing now.

Illustration of a black hole
Hidden Structure

The Most Famous Paradox in Physics Nears Its End

By George Musser
October 29, 2020
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In a landmark series of calculations, physicists have proved that black holes can shed information.

Claudia de Rham portrait
Q&A

The Physicist Who Slayed Gravity’s Ghosts

By Thomas Lewton
August 18, 2020
Read Later

Claudia de Rham showed how theories of “massive gravity” could potentially get rid of the need for dark energy.


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