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Quantum Physics I
This lecture delves into the development of quantum mechanics, focusing on the time evolution of quantum states. The instructor introduces the temporal evolution operator and demonstrates its properties, leading to the Schrodinger equation. The lecture explores the Heisenberg picture, discussing the evolution of observables and the concept of Hamiltonians. The instructor explains the evolution in open systems, highlighting the importance of energy conservation. The lecture concludes with a detailed analysis of spin dynamics, resonance phenomena, and the inversion of spin populations.