Physics · Quantum Mechanics
The Hamiltonian operator for a two-level quantum system is H = E100E2. If the state of the system at t = 0 is given by |ψ(0)⟩ = 1√211, find the minimum time t such that |⟨ψ(0) | ψ(t)⟩|2 = 12.
- 12πℏE1 - E2
- 2πℏE1 - E2
- 3πℏ2(E1 - E2)✓
- 4πℏ4(E1 - E2)
Correct answer
πℏ2(E1 - E2)
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