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Fisika-Kuantum

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Jika elemen-elemen A ij diketahui maka harga a dapat ditentukan sebagai solusi<br />

dari polinom yang diperoleh dari determinan:<br />

( A<br />

A<br />

A<br />

11<br />

21<br />

31<br />

− a)<br />

( A<br />

( A<br />

− a)<br />

..................<br />

..................<br />

..................<br />

.......... .......... .......... .................<br />

A<br />

N1<br />

A<br />

A<br />

32<br />

22<br />

N 2<br />

A<br />

A<br />

N3<br />

12<br />

− a)<br />

A<br />

33<br />

A<br />

13<br />

23<br />

..................(<br />

A<br />

NN<br />

A<br />

A<br />

A<br />

1N<br />

2N<br />

3N<br />

− a)<br />

= 0<br />

Contoh<br />

Â<br />

=<br />

⎛0<br />

⎜<br />

⎝1<br />

1⎞<br />

⎟<br />

0⎠<br />

⎛−<br />

a<br />

⎜<br />

⎝1<br />

1 ⎞⎛c<br />

⎟<br />

⎜<br />

− a⎠⎝c<br />

1<br />

2<br />

⎞<br />

⎟<br />

⎠<br />

=<br />

0<br />

− a<br />

1<br />

1 =<br />

− a<br />

0<br />

a 2 -1=0, a 1<br />

=-1 dan a 2<br />

=1.<br />

Dengan a 1<br />

diperoleh c 1 = -c 2 =1/√2<br />

dengan a 2<br />

diperoleh c 1 =c 2 =1/√2<br />

ψ<br />

1<br />

1<br />

=<br />

2 1<br />

φ<br />

( φ − ) 2<br />

1<br />

ψ = ( φ + ) 2<br />

2 2 1<br />

φ<br />

30

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