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Shang-keng Ma (September 24, 1940, Chongqing,
Sichuan Sichuan (; zh, c=, labels=no, ; zh, p=Sìchuān; alternatively romanized as Szechuan or Szechwan; formerly also referred to as "West China" or "Western China" by Protestant missions) is a province in Southwest China occupying most of the ...
, China – November 24, 1983,
La Jolla La Jolla ( , ) is a hilly, seaside neighborhood within the city of San Diego, California, United States, occupying of curving coastline along the Pacific Ocean. The population reported in the 2010 census was 46,781. La Jolla is surrounded on ...
,
California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...
, ) was a Chinese theoretical physicist, known for his work on the theory of
critical phenomena In physics, critical phenomena is the collective name associated with the physics of critical points. Most of them stem from the divergence of the correlation length, but also the dynamics slows down. Critical phenomena include scaling relatio ...
and random systems. He is known as the co-author with
Bertrand Halperin Bertrand I. Halperin (born December 6, 1941) is an American physicist, former holder of the Hollis Chair of Mathematicks and Natural Philosophy at the physics department of Harvard University. Biography Halperin was born in Brooklyn, New York, ...
and
Pierre Hohenberg Pierre C. Hohenberg (3 October 1934 – 15 December 2017) was a French-American theoretical physicist, who worked primarily on statistical mechanics. Hohenberg studied at Harvard, where he earned his bachelor's degree in 1956 and a master's degr ...
of a 1972 paper that "generalized the renormalization group theory to dynamical critical phenomena." Ma is also known as the co-author with
Yoseph Imry Yoseph Imry (Hebrew: יוסף אמרי; born 23 February 1939 – 29 May 2018) was an Israeli physicist. He was best known for taking part in the foundation of mesoscopic physics, a relatively new branch of condensed matter physics. It is con ...
of a 1975 paper and with Amnon Aharony and Imry of a 1976 paper that established the foundation of the
random field In physics and mathematics, a random field is a random function over an arbitrary domain (usually a multi-dimensional space such as \mathbb^n). That is, it is a function f(x) that takes on a random value at each point x \in \mathbb^n(or some other ...
Ising model The Ising model () (or Lenz-Ising model or Ising-Lenz model), named after the physicists Ernst Ising and Wilhelm Lenz, is a mathematical model of ferromagnetism in statistical mechanics. The model consists of discrete variables that represent ...
(RFIM)


Biography

He transferred in 1959 from the
National Taiwan University National Taiwan University (NTU; ) is a public research university in Taipei, Taiwan. The university was founded in 1928 during Japanese rule as the seventh of the Imperial Universities. It was named Taihoku Imperial University and served d ...
to the
University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public land-grant research university in Berkeley, California. Established in 1868 as the University of California, it is the state's first land-grant u ...
. There he graduated in 1962 with a bachelor's degree in science and in 1966 with a Ph.D. His Ph.D. thesis ''Correlations of Photons from a Thermal Source'' was supervised by Kenneth M. Watson. As a postdoc in 1966, Ma went to the
University of California, San Diego The University of California, San Diego (UC San Diego or colloquially, UCSD) is a public land-grant research university in San Diego, California. Established in 1960 near the pre-existing Scripps Institution of Oceanography, UC San Diego is t ...
(UCSD) to study with
Keith Brueckner Keith Allen Brueckner (March 19, 1924 – September 19, 2014) was an American theoretical physicist who made important contributions in several areas of physics, including many-body theory in condensed matter physics, and laser fusion. Biography ...
. Ma's outstanding ability earned him a faculty appointment at UCSD in less than a year. He was at the
Institute for Advanced Study The Institute for Advanced Study (IAS), located in Princeton, New Jersey, in the United States, is an independent center for theoretical research and intellectual inquiry. It has served as the academic home of internationally preeminent schola ...
(IAS) from September 1968 to June 1969 and in the autumn of 1970. There he worked with Shau-Jin Chang on the infinite-energy limit of
Feynman diagram In theoretical physics, a Feynman diagram is a pictorial representation of the mathematical expressions describing the behavior and interaction of subatomic particles. The scheme is named after American physicist Richard Feynman, who introduc ...
s and with
Roger Dashen Roger Frederick Dashen (May 5, 1938 in Grand Junction, Colorado – May 25, 1995 in La Jolla) was an American theoretical physicist who studied particle physics and quantum field theory. Dashen studied physics at the Harvard University (where he ...
on the
S-matrix In physics, the ''S''-matrix or scattering matrix relates the initial state and the final state of a physical system undergoing a scattering process. It is used in quantum mechanics, scattering theory and quantum field theory (QFT). More forma ...
formulation of statistical mechanics. In 1971 he became a tenured faculty member of the UCSD physics department and became a Sloan Research Fellow. In 1976 Ma was a visiting scientist at
Paris-Saclay University Paris-Saclay University (french: Université Paris-Saclay) is a public research university based in Paris, France. It is one of the 13 prestigious universities that emerged from the division of the University of Paris, also known as the Sorbonne ...
and published his paper ''Renormalization group by Monte Carlo methods'', which introduced a technique which "has evolved into a powerful technology that is widely used today for the numerical study of critical phenomena." In the two academic years 1977–1978 and 1981–1982 he taught in Taiwan at
Tsinghua University Tsinghua University (; abbr. THU) is a national public research university in Beijing, China. The university is funded by the Ministry of Education. The university is a member of the C9 League, Double First Class University Plan, Projec ...
, where he wrote in Chinese an advanced text on statistical mechanics — the book, published in 1983, "eschews the traditional approach built on the Gibbs ensemble."
World Scientific World Scientific Publishing is an academic publisher of scientific, technical, and medical books and journals headquartered in Singapore. The company was founded in 1981. It publishes about 600 books annually, along with 135 journals in various ...
published an English translation in 1985. In 1986 World Scientific also published a memorial volume in honor of Ma. Publications of Shang-Keng Ma
p. 249p. 250p. 251p. 252
/ref> Upon his death he was survived by his widow and two children.


Articles

* * * * (over 600 citations) * * * * * * * * (over 1100 citations) * * (over 1000 citations) * (over 600 citations) * (over 3100 citations) * * * * * (over 450 citations) * * *


Books

* ** 1982 ** * 1985


References

{{DEFAULTSORT:Ma, Shang-keng 1940 births 1983 deaths 20th-century Chinese physicists Sloan Research Fellows University of California, Berkeley alumni University of California, San Diego faculty