**Anonymous**
@
on

Several Questions detailed below.

I love this tool, but I have a few questions…

1. What do the shapes of the wavefunctions mean? Does the surface represent energy levels?

2. Where is the effective mass input? I notice that as the effective mass increases, the energy levels decrease?

3. Does the wavefunction model only the location of the electron and not the energy? Is the energy only modeled by En?

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Anonymous@ onHello, The wavefunction is a tricky concept; the amplitude of the wavefunction squared at a certain position gives the probability of finding an electron at that position, in a specific energy level, En, associated with that wavefunction. Each wavefunction represents a different energy level (although in some degenerate cases, multiple wavefunctions can correspond to the same energy level). You can input the effective mass at the bottom of the Device Structure input pane.

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