ket
A column vector, in Hilbert space, especially as representing the state of a quantum…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 |...〉.
Meaning
6 sensesA 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 |...〉.
Ket
(Northern England, countable, uncountable)Carrion; any filth.
(Northumbria, countable, uncountable)Sweetmeats.
(Wearside, countable, uncountable)A sweet, treat or candy.
(colloquial, uncountable)Ketamine
(Scotland, uncountable)Matted wool
Translations
3 languagesBy meaning 1
Origin
From bra-ket notation invented by Paul Dirac, from bracket. Probably of Old Norse originFrom bra-ket notation invented by Paul Dirac, from bracket.
Probably of Old Norse origin like kjǫt (“meat”), from Proto-Germanic *ketwą.
Clipping of ketamine.
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