We have a three dimensional vector space where |P1), |P2) and 43) form a complete orthonormal basis. In this vector space we have two states |a)=5i|P1)+3i|42)+(-2+2i)|P3) and |B) =4i|4 1)-5 |92)+l93) i) Calculate (a| and (B|, in terms of the dual basis vectors (1|, (42|, (23)- ii) Calculate the inner/scalar products (@|B) and (B|a). Show that (B|a) =(a|B)".

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We have a three dimensional vector space where |P1), |P2) and |23) form a complete
orthonormal basis.
In this vector space we have two states |a)=5i|1)+3i 2)+(-2+2i) 3) and |B) =4i|1)-5
i) Calculate (a and (B, in terms of the dual basis vectors (y|, (p2|, (P3|.
ii) Calculate the inner/scalar products (alB) and (Ba). Show that (8|a) =(a|B)".
Transcribed Image Text:We have a three dimensional vector space where |P1), |P2) and |23) form a complete orthonormal basis. In this vector space we have two states |a)=5i|1)+3i 2)+(-2+2i) 3) and |B) =4i|1)-5 i) Calculate (a and (B, in terms of the dual basis vectors (y|, (p2|, (P3|. ii) Calculate the inner/scalar products (alB) and (Ba). Show that (8|a) =(a|B)".
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We have a 3-dimensional vector space whereφ1>,φ2>,φ3> forms a complete basis.

α>=5iφ1>+3iφ2>+(-2+2i)φ3>andβ>=4iφ1>-5φ2>+φ3>

(i) We can change bra vector to ket in dual space by taking the conjugate transpose of bra vector.

α>+=<α

<α=5iφ1>+3iφ2>+(-2+2i)φ3>+<α=-5i<φ1-3i<φ2-2-2i<φ3<β=4iφ1>-5φ2>+φ3>+<β=-4i<φ1-5<φ2+<φ3

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