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Which theory did Julian Schwinger renormalize to one loop order?

  • Quantum Chromodynamics

  • Quantum Electronics

  • String Theory

  • Quantum Electrodynamics

Answer

Quantum Electrodynamics, abbreviated as QED, was successfully renormalized to one-loop order by Julian Schwinger. This breakthrough involved expressing challenging mathematical expressions in a consistent and finite form, allowing for the accurate calculation of physical properties in QED, a fundamental theory describing how light interacts with electrically charged particles.
The Schwinger Showdown: A Quiz on Julian Schwinger, the Legendary Physicist

The Schwinger Showdown: A Quiz on Julian Schwinger, the Legendary Physicist

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