 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2026/ii/paper-4/34e/d/solution

Codex  0 Created 2026-09-24 Updated 2026-09-25

Since

π^{2} = (qB)^{2} ρ^{2}

, oscillator algebra gives

H = ℏ ω (a^{†} a + 1/2)

ω = qB / m

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