noun
ket
Ket (noun) means a column vector, in Hilbert space, especially as representing the state of a quantum mechanical system; the complex conjugate transpose of a bra (a row vector); a ket vector. Symbolised by |...〉.
noun
1
A column vector, in Hilbert space, especially as representing the state of a quantum mechanical system; the complex conjugate transpose of a bra (a row vector); a ket vector. Symbolised by |...〉.
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Etymology
Taken from the bra-ket notation invented by Paul Dirac, itself from bracket.
Antonyms
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Frequently asked questions
What is the meaning of ket?
"ket" (noun) means a column vector, in Hilbert space, especially as representing the state of a quantum mechanical system; the complex conjugate transpose of a bra (a row vector); a ket vector. Symbolised by |...〉.
What is the opposite of ket?
The opposite of "ket" is bra.
