Introduction To Wick's Theorem @DietterichLabs

Uploaded March 2020 | Updated September 2026, 22 hours ago

In this video, I introduce Wick's theorem, and prove it for bosons.

My Quantum Field Theory Lecture Series:
youtube.com/playlist?list=PLSpklniGdSfSsk7BSZjONcfhRGKNa2uou

S-Operator Derivation:
youtube.com/watch?v=HqOetWTHeGs

Deriving The Feynman Rules For QED:
youtube.com/watch?v=ToL-37wnHZw

Superfluid Helium Resonance Experiment video:
youtu.be/unUNQNmuvUQ

$How To Solve The Dirac Equation For The Hydrogen Atom | Relativistic Quantum Mechanics In this video, I show you how to solve the Dirac Equation for the one electron atom. The process used consists of separation of variables, and then a power series treatment of the radial equation. The angular equation is then solved by constructing simultaneous eigenstates of spin and orbital angular momentum. These are called spinor spherical harmonics. My Quantum Mechanics Lecture Series: https://www.youtube.com/playlist?list=PLSpklniGdSfSsAFCzO-YWGlJ4TNv8sMdy There is a typo in the standard spherical harmonics normalization constant. In the second fraction under the square root, the 1s are supposed to be as. Superfluid Helium Resonance Experiment video: https://youtu.be/unUNQNmuvUQ Quantum Field Theory Lecture Series: https://www.youtube.com/playlist?list=PLSpklniGdSfSsk7BSZjONcfhRGKNa2uou Superfluid Helium Resonance Experiment video: https://youtu.be/unUNQNmuvUQ$

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