A strange coincidence between two different theories of physics has recently been observed. In what has been called the “AdS/CFT Correspondence,” the physics of gravity on one side of a theoretical universe appears to mirror the physics of particles on the other side. This strange coincidence, first proposed in 1997, has been called “one of the most remarkable in all of physics.”

The AdS/CFT Correspondence is based on two different theories of physics: string theory and quantum field theory. String theory is a theory of gravity, and quantum field theory is a theory of particles. What’s remarkable is that the two theories seem to match up in a way that allows for a duality between them. On one side of the universe, gravity is described by one set of rules, and on the other side, particles are described by another set of rules. Despite their differences, the two theories appear to be connected in a way that allows them to correspond with each other.

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source: Phys.org