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bootstrap

quantum gravity

In a Numerical Coincidence, Some See Evidence for String Theory

By Natalie Wolchover
January 21, 2022
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In a quest to map out a quantum theory of gravity, researchers have used logical rules to calculate how much Einstein’s theory must change. The result matches string theory perfectly.

Galaxies in triangular formations expanding.
cosmology

Laws of Logic Lead to New Restrictions on the Big Bang

By Charlie Wood
November 10, 2021
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Physicists are translating commonsense principles into strict mathematical constraints on how our universe must have behaved at the beginning of time.

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.

A domino, a two of clubs, and a clock face.
Abstractions blog

Why the Laws of Physics Are Inevitable

By Natalie Wolchover
December 9, 2019
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By considering simple symmetries, physicists working on the “bootstrap” can rediscover the basic form of the known forces that shape the universe.

An interactive illustration of shapes hiding clocks.
cosmology

Cosmic Triangles Open a Window to the Origin of Time

By Natalie Wolchover
October 29, 2019
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A close look at fundamental symmetries has exposed hidden patterns in the universe. Physicists think that those same symmetries may also reveal time’s original secret.

animated gif of a fractal tunnel
theoretical physics

Physicists Uncover Geometric ‘Theory Space’

By Natalie Wolchover
February 23, 2017
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A decades-old method called the “bootstrap” is enabling new discoveries about the geometry underlying all quantum theories.

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