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cse • paper_2 • quantum_mechanicscse-2025-subject-05-003

Quantum tunnelling — UPSC CSE 2025 Physics PYQ

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V(x) = \begin{cases} 0, & x < -a \\\\ V, & -a < x < a \\\\ 0, & x > a \end{cases} For a potential with the boundary conditions V(x) = \begin{cases} 0, & x < -a \\\\ V, & -a < x < a \\\\ 0, & x > a \end{cases} solve the Schrödinger's equation in one dimension and find out the conditions for tunnelling.

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