IDs:

13

**Authors :**
Pacher,Pál;Márk,Géza,I.

**Title :**
A learning aid for the study of time dependent quantum phenomena

**BookTitle :**
Proceedings, Computer based learning in science, Wien, 1993. December 18-21

**Editors :**
Nobar,P.,M.;Kainz,W.

**PubDateYear :**
1994

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**ISBN :**
80-7040-082-X

**Keywords :**
TOP_Misc;TOP_Tunnel;YEAR_Before1998;W_Schroed;W_WP;W_Theory

**Notes :**

**Abstract :**
Quantum mechanics is conceptually one of the most difficult parts
of undergraduate physics courses for electrical engineering students.
The number of problems that can be solved analytically is very limited,
the solution procedures are usually time consuming. In some cases the
students do not possess the required mathematical skills. This is especially
true for the solution of the time-dependent Schr”dinger equation.
The computer program based on a very efficient numerical technique,
the split-operator Fourier transform method helps to overcome this
difficulty. The evolution of a wave packet over time, time-dependent
scattering on different potential barriers, tunneling, etc. can be studied.
The probability density function and the real part of the wave function
are displayed in colour graphs. Computer animation of the evolution
of the wave packet can be produced on the basis of the results of
calculations at different time instants.

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