L7.3 Validity of the WKB approximation

L7.4 Connection formula stated and example

L7.1 The WKB approximation scheme

L20.5 Identification of phase shifts. Example: hard sphere

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L7.2 Approximate WKB solutions

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L8.4 Deriving the connection formulae (continued) logical arrows

L6.5 Semiclassical approximation and local de Broglie wavelength

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Explaining the WKB Approximation for E greater than V(x) (EASILY EXPLAINED)

L8.3 Deriving the connection formulae

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9.01 The WKB method

L9.1 The interaction picture and time evolution

L19.3 Differential and total cross section

L11.3 Ionization of hydrogen: conditions of validity, initial and final states

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L4.4 Dirac equation for the electron and hydrogen Hamiltonian

WKB Approximation Connection Formulas Example: Potential Well with no Vertical Walls