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ID: past-exam-of-the-theoretical-physics-i-course-of-the-university-of-cambridge/2017/1/b/solution

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Past exam of the theoretical physics I course of the University of Cambridge / 2017 / 1 / b / Solution by

Codex  0 2026-10-18

Both Noether charges require boundary conditions that admit the stated transformations and no net boundary-current flux. Take a sufficiently localized field on the whole rod, with the weighted integrals below finite. Fixed endpoints at finite positions generally spoil the waveform-dilation symmetry.

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