ket

态矢, 刃

发音

其它 /kɛt/

词形变化

kets 复数

释义与例句

n.
  1. 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 |...〉.

    右矢

    数学

    A particular ket, say #124;A#92;rangle, might be represented by a particular column vector. Its corresponding bra, #92;langleA#124;, would then be represented by the row vector which is the transpose conjugate of that column vector.

  2. 1.

    Carrion; any filth.

    可数 不可数
  3. 2.

    Sweetmeats.

    可数 不可数
  4. 3.

    A sweet, treat or candy.

    可数 不可数
  5. 1.

    ketamine

    非正式 不可数
  6. 1.

    matted wool

    苏格兰 不可数

相关短语

Si Sa Ket

词源

From bra-ket notation invented by Paul Dirac, from bracket.

来源：wiktionary