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John C. Slater

 

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John C. Slater



 
 
John Clarke Slater (December 22, 1900 - July 25, 1976) was a noted American physicist
Physics

Physics is the natural science which examines basic concepts such as energy, force, and spacetime and all that derives from these, such as mass, charge, matter and its Motion ....
 and theoretical chemist
Theoretical chemistry

Theoretical chemistry involves the use of physics to explain or predict chemistry phenomena. In recent years, it has consisted primarily of quantum chemistry, i.e., the application of quantum mechanics to problems in chemistry....
.

Slater studied at the University of Rochester
University of Rochester

The University of Rochester is a private university, nonsectarian, research university located in Rochester, New York. The university grants undergraduate, graduate, doctoral, and professional degrees through six schools and various interdisciplinary programs....
, earning his B.S. in 1920. He went on to receive his Ph. D.
Doctor of Philosophy

Doctor of Philosophy, abbreviated Ph.D. or PhD for the Latin , meaning "teacher of philosophy", is an postgraduate academic degree awarded by University....
 in physics
Physics

Physics is the natural science which examines basic concepts such as energy, force, and spacetime and all that derives from these, such as mass, charge, matter and its Motion ....
 from Harvard University
Harvard University

Harvard University is a private university in Cambridge, Massachusetts, Massachusetts, United States, and a member of the Ivy League. Founded in 1636 by the colonial Massachusetts legislature, Harvard is the Colonial Colleges institution of higher learning in the United States....
 in 1923, then went on to study at Cambridge University
University of Cambridge

The University of Cambridge , located in Cambridge, England, is the List of oldest universities in continuous operation university in the Anglosphere....
 and again at Harvard. In 1924, he collaborated with Niels Bohr
Niels Bohr

Niels Henrik David Bohr was a Denmark physicist who made fundamental contributions to understanding atomic structure and quantum mechanics, for which he received the Nobel Prize in Physics in 1922....
 and Hendrik Kramers
Hendrik Anthony Kramers

Hendrik Anthony Kramers was a Netherlands physicist, who was generally known by the first name Hans. Hans was the son of Hendrik Kramers, a physician, and Jeanne Susanne Breukelman....
 on the BKS (Bohr, Kramers, Slater) theory
BKS theory

The Bohr-Kramers-Slater theory was perhaps the final attempt at understanding the interaction of matter and electromagnetic radiation on the basis of the so-called Old quantum theory, in which quantum phenomena are treated by imposing quantum restrictions on classically describable behaviour....
 which served as the impetus for Werner Heisenberg
Werner Heisenberg

Werner Heisenberg was a German Theoretical physics who made foundational contributions to quantum mechanics and is best known for asserting the uncertainty principle of quantum theory....
's full quantum theory
Quantum mechanics

Quantum mechanics is a set of principles underlying the most fundamental known description of all physical systems at the microscopic scale . Notable amongst these principles are both a dual wave-like and particle-like behavior of matter and radiation, and prediction of probabilities in situations where classical physics predicts certaintie...
. He served from 1930 to 1966 as a professor of physics
Physics

Physics is the natural science which examines basic concepts such as energy, force, and spacetime and all that derives from these, such as mass, charge, matter and its Motion ....
 at the Massachusetts Institute of Technology
Massachusetts Institute of Technology

The Massachusetts Institute of Technology is a private university research university located in Cambridge, Massachusetts, Massachusetts, United States....
, being recruited by MIT President Karl T.






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John Clarke Slater (December 22, 1900 - July 25, 1976) was a noted American physicist
Physics

Physics is the natural science which examines basic concepts such as energy, force, and spacetime and all that derives from these, such as mass, charge, matter and its Motion ....
 and theoretical chemist
Theoretical chemistry

Theoretical chemistry involves the use of physics to explain or predict chemistry phenomena. In recent years, it has consisted primarily of quantum chemistry, i.e., the application of quantum mechanics to problems in chemistry....
.

Slater studied at the University of Rochester
University of Rochester

The University of Rochester is a private university, nonsectarian, research university located in Rochester, New York. The university grants undergraduate, graduate, doctoral, and professional degrees through six schools and various interdisciplinary programs....
, earning his B.S. in 1920. He went on to receive his Ph. D.
Doctor of Philosophy

Doctor of Philosophy, abbreviated Ph.D. or PhD for the Latin , meaning "teacher of philosophy", is an postgraduate academic degree awarded by University....
 in physics
Physics

Physics is the natural science which examines basic concepts such as energy, force, and spacetime and all that derives from these, such as mass, charge, matter and its Motion ....
 from Harvard University
Harvard University

Harvard University is a private university in Cambridge, Massachusetts, Massachusetts, United States, and a member of the Ivy League. Founded in 1636 by the colonial Massachusetts legislature, Harvard is the Colonial Colleges institution of higher learning in the United States....
 in 1923, then went on to study at Cambridge University
University of Cambridge

The University of Cambridge , located in Cambridge, England, is the List of oldest universities in continuous operation university in the Anglosphere....
 and again at Harvard. In 1924, he collaborated with Niels Bohr
Niels Bohr

Niels Henrik David Bohr was a Denmark physicist who made fundamental contributions to understanding atomic structure and quantum mechanics, for which he received the Nobel Prize in Physics in 1922....
 and Hendrik Kramers
Hendrik Anthony Kramers

Hendrik Anthony Kramers was a Netherlands physicist, who was generally known by the first name Hans. Hans was the son of Hendrik Kramers, a physician, and Jeanne Susanne Breukelman....
 on the BKS (Bohr, Kramers, Slater) theory
BKS theory

The Bohr-Kramers-Slater theory was perhaps the final attempt at understanding the interaction of matter and electromagnetic radiation on the basis of the so-called Old quantum theory, in which quantum phenomena are treated by imposing quantum restrictions on classically describable behaviour....
 which served as the impetus for Werner Heisenberg
Werner Heisenberg

Werner Heisenberg was a German Theoretical physics who made foundational contributions to quantum mechanics and is best known for asserting the uncertainty principle of quantum theory....
's full quantum theory
Quantum mechanics

Quantum mechanics is a set of principles underlying the most fundamental known description of all physical systems at the microscopic scale . Notable amongst these principles are both a dual wave-like and particle-like behavior of matter and radiation, and prediction of probabilities in situations where classical physics predicts certaintie...
. He served from 1930 to 1966 as a professor of physics
Physics

Physics is the natural science which examines basic concepts such as energy, force, and spacetime and all that derives from these, such as mass, charge, matter and its Motion ....
 at the Massachusetts Institute of Technology
Massachusetts Institute of Technology

The Massachusetts Institute of Technology is a private university research university located in Cambridge, Massachusetts, Massachusetts, United States....
, being recruited by MIT President Karl T. Compton to be head of the department as the latter attempted to re-make MIT as a full-fledged research university. He then went to the University of Florida
University of Florida

The University of Florida is a Public university land-grant university, sea grant colleges, Space grant colleges major research university located on a campus in Gainesville, Florida, in the United States....
 where he served from 1966 to 1976 as research professor in physics and chemistry
Chemistry

Chemistry is the science concerned with the composition, structure, and properties of matter, as well as the changes it undergoes during chemical reactions....
. In 1929 he gave a convenient way of expressing antisymmetric wave functions for fermions in the form of determinants. These determinantal functions are now known as Slater determinants. Further Slater is recognized for introducing (in 1930) exponential functions
Function (mathematics)

The mathematical concept of a function expresses dependence between two quantities, one of which is known and the other which is produced. A function associates a single output to each input element drawn from a fixed Set , such as the real numbers , although different inputs may have the same output....
 which describe atomic orbital
Atomic orbital

An atomic orbital is a mathematical function that describes the wave-like behavior of an electron in an atom. This function can be used to calculate the probability of finding any electron of an atom in any specific region around the atom's nucleus....
s. The functions became known as Slater-type orbitals (STOs). He formulated rules for the values of the exponents in these functions, which he saw as nuclear charges partly shielded by electrons.

Prof. Slater can be credited for discouraging Richard Feynman
Richard Feynman

Richard Phillips Feynman was an United States physicist known for the path integral formulation of quantum mechanics, the theory of quantum electrodynamics and the physics of the superfluidity of supercooled liquid helium, as well as work in particle physics ....
 from attending graduate school at MIT, suggesting that he apply elsewhere "for his own good." Despite Feynman's talents as a scientist, he had to contend with institutional anti-semitism when he was applying to graduate school; Slater's recommendations were vital for Feynman's acceptance into Princeton
Princeton University

Princeton University is a private university university located in Princeton, New Jersey, New Jersey, United States. The school is one of the eight universities of the Ivy League and has the largest per-student Financial endowment in the world....
.

One of his doctoral students, William Shockley
William Shockley

William Bradford Shockley was a Kingdom of Great Britain-born United States physicist and inventor.Along with John Bardeen and Walter Houser Brattain, Shockley co-invented the transistor, for which all three were awarded the 1956 Nobel Prize in Physics....
, was a recipient of the Nobel Prize in Physics
Nobel Prize in Physics

The Nobel Prize in Physics is awarded once a year by the Royal Swedish Academy of Sciences. It is one of the five Nobel Prizes established by the will of Alfred Nobel in 1895 and awarded since 1901; the others are the Nobel Prize in chemistry, Nobel Prize in literature, Nobel Peace Prize, and Nobel Prize in physiology or medicine....
 for his work in solid state physics.

Slater's papers were bequeathed to the American Philosophical Society
American Philosophical Society

The American Philosophical Society is a discussion group founded in 1743 by Benjamin Franklin as an offshoot of his earlier club, the Junto....
 by his widow, Rose Mooney Slater, in 1980 and 1982. In August 2003, Alfred Switendick donated a collection of Quarterly Reports of the MIT Solid State and Molecular Theory Group, dating from 1951 to 1970.

Books

See also

  • Shielding effect
    Shielding effect

    The shielding effect describes the decrease in attraction between an electron and the Atomic nucleus in any atom with more than one electron shell....
  • Slater determinant
    Slater determinant

    In quantum mechanics, a Slater determinant is an expression which describes the wavefunction of a multi-fermionic system that satisfies Skew-symmetric matrix requirements and subsequently the Pauli exclusion principle by changing Plus and minus signs upon exchange of fermions....


External links