#quantum-mechanics

2 posts

May 1, 2026

Notes on Lewin Ch1: Introduction to Quantum Mechanics

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

maths quantum-mechanics notes rough hamiltonian-operators

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...

maths notes quantum-mechanics sobolev-spaces functional-analysis rough