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Video Segment
Non-interacting identical particles
This video segment discusses the ground state energy of non-interacting identical particles and the Fermi energy.
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Video Segment
The variational principle
This video segment states and proves the variational principle/theorem.
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Video Segment
Electromagnetic potentials and Coulomb gauge
This video segment introduces the Coulomb gauge that is the mathematical tool used to simplify the theoretical description of the electromagnetic field.