ps1c - 4‘ 11.7 The wave functions corresponding to the...

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Unformatted text preview: 4‘ 11.7. The wave functions corresponding to the states of t} 16 unperturbed system are ‘ 2 . mm , _ @MI) : V/E sm 7 O 3 7? g I) Then, the first order energy shifts are given by r I b 72m; 7m E721" : ; dx $1112 % sin a I) _ 0 b ‘ 2 : E/ dx (1~ cos 777rx> am E b 0 6 /"d S. m: L <on +1)sz 1 (2n ~ um : — r 1 am 7 s n b O n b 2 b b 5 7m % l (2n+1)7$ 1 cos (2n — Um: ~ ,, co , . 7T bb 2(2n—I—l) b 2<n ,1) b a 1 1 , ~ 2 _ W< 271+1 F27171) _ 85712 ’ 7r(4n2 ‘ 1) <11) ('12) (13) (14) (15) ('16) (17) ...
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