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Quantum Engineering Year 1: Quantum Mechanics Core Month 17Day 452

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Year 1·Month 17·Week 1

Day 452: Degenerate Perturbation Theory II

Day 452 of 2,016~3 min read

Learning Objectives

•Use symmetry to simplify degenerate PT
•Identify good quantum numbers
•Apply selection rules to reduce matrix size
•Handle partial lifting of degeneracy
•Use commutators to find good bases
•Apply to realistic atomic physics problems

Today's Schedule (7 hours)

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Good Quantum Numbers from Symmetry Finding Good Quantum Numbers Example Hydrogen Fine Structure Block Diagonalization Partially Lifted Degeneracy Higher-Order Corrections Quantum Computing Connection Symmetry-Protected Qubits Worked Example

Day 451Day 452 of 2,016Day 453