bra-ket

Fetched 2026-10-26 (cache).

Synonyms: bra, ira, bracket, era, baa, ara, nra, boa, bro, brd, bora, bara

Antonyms: bra, ira, bracket, era, baa, ara, nra, boa, bro, brd, bora, bara

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|physics}} The [[scalar]] product of two [[vector]]s (and optionally an [[operator]]), in [[Hilbert space]], where the left (row) vector is a [[bra]] and the right (column) vector is a [[ket]]. Symbolised by '''⟨...|...⟩''' (bra and ket only) or '''⟨...|...|...⟩''' (bra, operator, ket).

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.