Yang Chen-Ning
Yang Chen-Ning or
Chen-Ning Yang (; born 1 October 1922), also known as
C. N. Yang or by the English name
Frank Yang, is a Chinese
theoretical physicist who made significant contributions to
statistical mechanics,
integrable systems,
gauge theory, and both
particle physics and
condensed matter physics. He and
Tsung-Dao Lee received the 1957
Nobel Prize in Physics for their work on parity non-conservation of
weak interaction. The two proposed that the conservation of
parity, a physical law observed to hold in all other physical processes, is violated in the so-called
weak nuclear reactions, those nuclear processes that result in the emission of
beta or
alpha particles. Yang is also well known for his collaboration with
Robert Mills in developing non-abelian gauge theory, widely known as the
Yang–Mills theory. Yang Chen-Ning's 100th birthday was celebrated on September 22, 2022.
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