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Wave Propagation in Linear Media | re-examined

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4.3 Examples of scatter<strong>in</strong>g processes<br />

40<br />

30<br />

20<br />

10<br />

-40<br />

-30<br />

40<br />

30<br />

-20<br />

X<br />

T<br />

20<br />

-10<br />

10<br />

0<br />

-40 -30 -20 -10 0<br />

0<br />

2<br />

1<br />

3<br />

0<br />

0<br />

Figu<strong>re</strong> 4.6: Evolution of the probability density P = j j of a scatter<strong>in</strong>g wave packet with <strong>in</strong>itially<br />

<strong>re</strong>ctangular shape outside the barrier. The parameters a<strong>re</strong> k = 3 and = 0:8.<br />

83<br />

4<br />

P

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