ket

/kɛt/

noun

(physics) A vector, in Hilbert space, especially as representing the state of a quantum mechanical system; the complex conjugate of a bra; a ket vector. Symbolised by |...〉.

The ket represents a vector in physics.

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意味（1）

(physics) A vector, in Hilbert space, especially as representing the state of a quantum mechanical system; the complex conjugate of a bra; a ket vector. Symbolised by |...〉.

A particular ket, say |A⟩, might be represented by a particular column vector. Its corresponding bra, ⟨A|, would then be represented by the row vector which is the transpose conjugate of that column vector.

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ket

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