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Differential Equations 20 Online
OpenStudy (anonymous):

Schroedinger equation question.

OpenStudy (anonymous):

The solution for the (time-independent) wavefunction is \[ \varphi = e^{\pm ikx}\] However, the solution to the potential well problem is \[ \varphi = \cos{kx+c}\] Why is it acceptable to cut off the imaginary part?

OpenStudy (anonymous):

Surely removing a part of it gets the wrong answer for \[|\varphi|\]

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