Jim Gates: What is Supersymmetry? | AI Podcast Clips

TL;DR

Supersymmetry is a mathematical framework that fills two empty quadrants in Jim Gates’s four-quadrant picture of particles and force carriers. It pairs familiar objects with variations such as the photino, a counterpart to the photon that carries a force but behaves more like an electron when encountering another one. The idea was born in Ukraine in the late 60s and independently rediscovered in the West in the early 70s; read on for Gates’s symmetry-based explanation.

Transcript

some of the fascinating work you've done is in the space of supersymmetry symmetry in general can you describe first of all what is supersymmetry ah yes so you remember the two buckets I told you about perhaps earlier said there are two buckets in our universe so now I want you to think about drawing a a pie that has four quadrants so I want you to... Read More

Key Insights

• ⚖️ Supersymmetry is a theory that fills empty quadrants in the universe by introducing particles with balancing properties.
• ▶️ Symmetry plays a dominant role in various areas of science and technology, and breaking symmetry leads to the creation of objects like humans, stars, and planets.
• 👍 Experimental validation is an essential aspect of proving or disproving theories like supersymmetry and Einstein's theory of general relativity.
• 👶 Mathematical ideas in the hands of physicists can be used to construct variations on existing theories and explore new possibilities.

Questions & Answers

Q: What is supersymmetry?

Jim Gates explains supersymmetry using a circle divided into four quadrants: one contains electron-like objects, another contains force carriers, and two are empty. Supersymmetry fills those empty quadrants with mathematical variations that combine properties associated with the first two groups, making the picture symmetrical.

Q: How does the four-quadrant analogy explain supersymmetry?

The analogy begins with a pie divided into four equal quadrants. Two quadrants contain known categories of objects, while supersymmetry supplies objects for the other two so the overall arrangement becomes symmetrical.

Q: What is a photino in Jim Gates’s explanation?

A photino is the mathematical companion of the photon in Gates’s example. It carries a force like a photon but follows an electron-like rule of bouncing off another such object, placing it in one of the previously empty quadrants.

Q: How can mathematics produce supersymmetric particles?

Gates describes mathematics as a palette that lets physicists construct variations on a theme. By changing a term in an equation, a physicist can model a force carrier with electron-like behavior or an electrically charged object that passes through another one when their charges are turned off.

Q: When and where was supersymmetry developed?

Gates says supersymmetry was born in Ukraine in the late 60s. Because of the Iron Curtain, Western scientists did not know about that work, and scientists in the West independently rediscovered the idea around 1971 or 1972.

Q: Why did Jim Gates choose to study supersymmetry?

While seeking a thesis direction at MIT around 1974 or 1975, Gates wanted to pursue an area that other people were not studying. He encountered supersymmetry and found its mathematics so remarkable that it bowled him over.

Q: Why does Jim Gates consider symmetry beautiful?

Gates says the most beautiful mathematical idea he has encountered is symmetry. He is struck by how the human innate sense of symmetry aligns with powerful mathematics, which draws him toward areas of science and technology where symmetry has a dominant role.

Q: Why must symmetry be broken for objects to exist?

Gates says that if symmetries were perfect, humans would not exist. Symmetry provides a scaffold for reality, but breaking its balances is what allows creatures such as humans and objects such as planets and stars to arise.

Summary & Key Takeaways

• Supersymmetry is a theory that fills empty quadrants in the universe, balancing different particles and forces.

• The idea of symmetry is beautiful in both mathematics and physics, as it aligns with our innate sense of balance.

• Supersymmetry was born in the late 60s but was rediscovered by Western scientists in the early 70s, leading to further exploration and research.