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Mathematics
Linear and Abstract Algebra
Bra-Ket Notation Manipulations: Quantum State Expansion
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[QUOTE="malawi_glenn, post: 6868950, member: 71734"] Think of it like this An operator is something that when acting on a ket from the left returns a ket. And when acting on a bra from the right you get a bra. ##| a \rangle \langle b | ## fits the bill and is this a way of writing an operatorBra is not an operator since it produces a scalar when acting on a ket. [/QUOTE]
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Forums
Mathematics
Linear and Abstract Algebra
Bra-Ket Notation Manipulations: Quantum State Expansion
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