Physics · Quantum Mechanics
A two-state quantum system has energy eigenvalues ±ε corresponding to the normalized states |ψ±⟩. At time t = 0, the system is in the quantum state 1√2 [|ψ+⟩ + |ψ-⟩]. What will be the wave function of the system after a time t = h / (6ε)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1ψ = 1√2 ei 2π/3 [|ψ+⟩ + |ψ-⟩]
- 2ψ = 1√2 e-i 2π/3 [|ψ+⟩ + |ψ-⟩]
- 3ψ = 1√2 [|ψ+⟩ ei π/3 + |ψ-⟩ e-i π/3]
- 4ψ = 1√2 [|ψ+⟩ e-i π/3 + |ψ-⟩ ei π/3]✓
Correct answer
ψ = 1√2 [|ψ+⟩ e-i π/3 + |ψ-⟩ ei π/3]
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