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Year 1·Month 14·Week 4

Day 386: Step Potential

Day 386 of 2,016~15 min read

Learning Objectives

•**Solve** the Schrodinger equation for a step potential in both E > V_0 and E < V_0 cases
•**Apply** boundary conditions to determine reflection and transmission coefficients
•**Calculate** probability current density and verify conservation
•**Explain** the physical meaning of evanescent waves in classically forbidden regions
•**Derive** the reflection and transmission probabilities R and T
•**Verify** that R + T = 1 for all energies

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