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What is Adiabatic Approximation in Quantum Mechanics about?
The document discusses the adiabatic approximation in quantum mechanics. It begins by contrasting the sudden approximation from the previous lecture with the adiabatic approximation, which considers a Hamiltonian that changes very slowly over time. The main points are: 1) Under the adiabatic approximation, the nth lowest energy eigenstate of the initial Hamiltonian will evolve into the nth lowest energy eigenstate of the final Hamiltonian. 2) This is proven using time-independent and time-dependent pertu
- Author
- bgiangre8372
- Language
- EN