L7.3 Validity of the WKB approximation
21:10
L7.4 Connection formula stated and example
22:51
L7.1 The WKB approximation scheme
22:28
L2.1 Remarks and validity of the perturbation series
26:34
L9.1 The interaction picture and time evolution
19:02
L7.2 Approximate WKB solutions
23:30
L6.5 Semiclassical approximation and local de Broglie wavelength
22:32
L8.3 Deriving the connection formulae
18:28