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Answer to Question #61143 in Quantum Mechanics for Payel
Question #61143
A spin 1/2 particle in a uniform magnetic field has energy eigenstates |1⟩ and |2⟩. The system is prepared in a ket state
(|1⟩+|2⟩)√2 at time t=0. It evolves to the state
( |1⟩− |2⟩)√2 in time T. What is the minimum energy difference between two levels?
(|1⟩+|2⟩)√2 at time t=0. It evolves to the state
( |1⟩− |2⟩)√2 in time T. What is the minimum energy difference between two levels?
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