Module 9 lecture 2 Cyclotron Resonance
Автор: James Freericks
Загружено: 2021-06-16
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Cyclotron resonance, Quantum Mechanics, Physics 253, Georgetown University, Fall 2020
In this lecture we examine a nontrivial time-evolution problem---the problem of cyclotron resonance. This involves a precessing spin that has a perpendicular rotating field added in that rotates at the same rate as the precession. The problem is solve by going to the rotating frame. This uses a number of Hadamard lemmas to carry out. The rotating frame has no time-dependence, so it can be solved immediately. We transform back to get the results in the lab frame. We then apply this to a spin-one-half problem and look at the transitions of the state on a single qubit from up to down. The problem is solved exactly.
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