Wick's theorem

短语

释义与例句

name
  1. 1.

    A method of reducing high-order derivatives to a combinatorics problem, used extensively in quantum field theory to reduce arbitrary products of creation and annihilation operators to sums of products of pairs of these operators.

词源

Named after Gian-Carlo Wick (1909–1992), Italian theoretical physicist.

来源：wiktionary