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Eurotechnology visualizes electron motion in Quantum Devices

We simulate quantum devices by solving the time-dependent Schroedinger equation. We apply our software for a variety of problems. Our simulations can be used for simulating electrons in electron microscopes and for simulating electronic devices using quantum effects. Another area is the simulation of electron wave packets prepared by femto-second laser pulses. Femto-second laser technology is a very rapidly growing area, and it is very difficult to imagine how electron wave packets behave on such a short time scale without high quality simulations. Our software can also be used for a range of other simulation technology applications.
 

Slide show

In the next few slides we show you an electron wave moving through the potential landscape shown in the image below. (Some of the slides include animated gifs which are approximately 600 kbyte in size. These may take a while to download, but most WWW-browsers should start playing the animations while downloading the remaining frames. The animations will play for ever on most browsers, and the second and further runs will much be quicker than the first. Please respect our © copyright on these movies - thank you.)
 

Prize in the Japanese Computer Visualization Contest 1995

This work has been awarded the 2nd Prize in the Japanese Computer Visualization Contest 1995 organized by the Japanese Edition of Scientific American (Nikkei SCIENCE), it has also appeared on the February 1996 page of the Hewlett-Packard Laboratory Calender, and the work has also been presented at a number of scientific conferences and in a number of scientific journals.
 
We have also presented the first simulation of electrons in strong magnetic fields at the 23rd Conference on The Physics of Semiconductors on Berlin (1996).
 

Before you start the slide show....

Below is an image of the potential landscape chosen for this demonstration. There is channel on the left hand side, from which an electron wave packet emerges. The wave packet then propagates through a periodic lattice. This lattice could represent the atoms in a crystal for example.
 
Potential for simulation demo

Start Slide Show - Slide No. 1

 
Click here to go directly to one of the slides:
 
1 2 3 4
 
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