#quantum-mechanics2 posts

May 1, 2026

Notes on Lewin Ch1: Introduction to Quantum Mechanics

Important notation $⟨𝑓\text{,}𝑔⟩≔\int \overline{𝑓}𝑔$, so it is antilinear in the first index and linear in the second. $⟨𝐴⟩≔⟨𝜓\text{,}𝐴𝜓⟩$. Also - as I am playing on my...

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April 24, 2024

Notes on Lewin Appendix

Appendix A: Sobolev Spaces Definition Definition of ${𝑊}^{𝑘,𝑝}$ is given, and the Meyer-Serrin theorem $𝐻=𝑊$ is stated without proof. Sobolev spaces on the interval Considering...

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