Spaallyelectronsarefurtheraway

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?
 •  No!
It
must
be
asymmetric

 ψ (1, 2 ) = Why
1/√2
?
 1 1s (1)1s ( 2 ) ⎡α (1) β ( 2 ) − α ( 2 ) β (1) ⎤ ⎣ ⎦ 2 Determinants
generates
asymmetric
 func.ons
 •  Any
permuta.on
in
rows
or
columns
of
a
 determinant
is
causing
a
change
in
sign:
 Det(1,2,3)=‐Det(1,3,2)

Det(1,2,3)=‐Det(3,2,1)
 •  We
can
use
determinants
to
write
the
helium
 wavefunc.on
(rows‐par.cles,
columns
–
 states):
 1 1s (1)α (1) 1s (1) β (1) = 2 1s ( 2 )α ( 2 ) 1s ( 2 ) β ( 2 ) = 1 ⎡1s (1)α (1)1s ( 2 ) β ( 2...
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