Rodney J. Bartlett
Encyclopedia
Rodney J. Bartlett, born March 31, 1944 in Memphis, Tennessee
, U.S.
, is Graduate Research Professor of Chemistry and Physics, University of Florida
, Gainesville
, USA. He received his B.Sc. degree from Millsaps College
in 1966 and Ph.D. from the University of Florida
in 1971. Bartlett was an NDEA and IBM predoctoral fellow at the University of Florida under the joint supervision of N. Yngve Öhrn and Per-Olov Löwdin. Bartlett was subsequently an NSF postdoctoral researcher at Aarhus University, Denmark with Jan Linderberg and a postdoctoral researcher at Johns Hopkins University
with Robert G. Parr. Bartlett became a staff scientist at Battelle
's Pacific Northwest National Laboratory
and then at Battelle Memorial Institute, Ohio. In 1981, Bartlett returned to Gainesville, as a Professor of Chemistry and Physics, and then in 1988 rose to the rank of Graduate Research Professor.
Bartlett was a Guggenheim Fellow at Harvard University and University of California, Berkeley in 1986, E.T.S. Walton Fellow of the Science Foundation of Ireland, a member of the International Academy of Quantum Molecular Science
, and a recipient of Florida 2000 Award from the Florida Section of the American Chemical Society. Bartlett is the recipient of the American Chemical Society
Award in Theoretical Chemistry
(2007), the 2008 Schrödinger Medal of World Association of Theoretical and Computational Chemists
(WATOC), and the Boys-Rahman Award of the Royal Society of Chemistry
(2009).
Bartlett has been widely recognized as a pioneer of rigorous many-body methods for electron correlation, in particular, many-body perturbation
and coupled cluster
methods, which are today’s central computational tool for accurate electronic structure predictions. Bartlett and his coworkers were the first to formulate and implement coupled cluster theory with all single and double excitation operators (CCSD) in 1982, followed by triple (CCSDT) in 1987, quadruple (CCSDTQ), and even quintuple (CCSDTQP) excitation operators, and also many-body perturbation methods up to the sixth order. He developed a version of Feynman diagrams that both expedited the derivation of the equations and helped to visualize the physics of electron correlation. He also promoted the concept of size extensivity for many-body theory that scales properly with the number of particles, now viewed as an essential element of sound quantum chemistry approximations. Bartlett was also the first to explore the combination of coupled-cluster and many-body perturbation theories (in 1985) and proposed vastly successful approximations.
It is now widely agreed that the coupled cluster and many-body perturbation methods that Bartlett has been instrumental in establishing offer the most predictive, generally applicable approaches in the field. These methods helped electronic structure theory be accepted by the chemistry community as a reliable and integral branch of chemistry. Bartlett has been among the most frequently cited chemists and ranked 25th in the period of 1981–97 according to ISI.
Memphis, Tennessee
Memphis is a city in the southwestern corner of the U.S. state of Tennessee, and the county seat of Shelby County. The city is located on the 4th Chickasaw Bluff, south of the confluence of the Wolf and Mississippi rivers....
, U.S.
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
, is Graduate Research Professor of Chemistry and Physics, University of Florida
University of Florida
The University of Florida is an American public land-grant, sea-grant, and space-grant research university located on a campus in Gainesville, Florida. The university traces its historical origins to 1853, and has operated continuously on its present Gainesville campus since September 1906...
, Gainesville
Gainesville, Florida
Gainesville is the largest city in, and the county seat of, Alachua County, Florida, United States as well as the principal city of the Gainesville, Florida Metropolitan Statistical Area . The preliminary 2010 Census population count for Gainesville is 124,354. Gainesville is home to the sixth...
, USA. He received his B.Sc. degree from Millsaps College
Millsaps College
Millsaps College is a private liberal arts college located in Jackson, Mississippi. Founded in 1890, the college is recognized as one of the country's best private colleges dedicated to undergraduate teaching and educating the whole individual. Affiliated with the United Methodist Church, Millsaps...
in 1966 and Ph.D. from the University of Florida
University of Florida
The University of Florida is an American public land-grant, sea-grant, and space-grant research university located on a campus in Gainesville, Florida. The university traces its historical origins to 1853, and has operated continuously on its present Gainesville campus since September 1906...
in 1971. Bartlett was an NDEA and IBM predoctoral fellow at the University of Florida under the joint supervision of N. Yngve Öhrn and Per-Olov Löwdin. Bartlett was subsequently an NSF postdoctoral researcher at Aarhus University, Denmark with Jan Linderberg and a postdoctoral researcher at Johns Hopkins University
Johns Hopkins University
The Johns Hopkins University, commonly referred to as Johns Hopkins, JHU, or simply Hopkins, is a private research university based in Baltimore, Maryland, United States...
with Robert G. Parr. Bartlett became a staff scientist at Battelle
Battelle
Battelle may refer to:* Battelle Hall, multi-purpose arena and exhibit hall located in Columbus, Ohio* Battelle Memorial Institute, R&D organization that manages seven large U.S. national laboratories headquartered in Columbus, Ohio...
's Pacific Northwest National Laboratory
Pacific Northwest National Laboratory
Pacific Northwest National Laboratory is one of the United States Department of Energy National Laboratories, managed by the Department of Energy's Office of Science. The main campus of the laboratory is in Richland, Washington....
and then at Battelle Memorial Institute, Ohio. In 1981, Bartlett returned to Gainesville, as a Professor of Chemistry and Physics, and then in 1988 rose to the rank of Graduate Research Professor.
Bartlett was a Guggenheim Fellow at Harvard University and University of California, Berkeley in 1986, E.T.S. Walton Fellow of the Science Foundation of Ireland, a member of the International Academy of Quantum Molecular Science
International Academy of Quantum Molecular Science
The International Academy of Quantum Molecular Science is an international scientific learned society covering all applications of quantum theory to chemistry and chemical physics. It was created in Menton in 1967. The founding members were Raymond Daudel, Per-Olov Löwdin, Robert G. Parr, John...
, and a recipient of Florida 2000 Award from the Florida Section of the American Chemical Society. Bartlett is the recipient of the American Chemical Society
American Chemical Society
The American Chemical Society is a scientific society based in the United States that supports scientific inquiry in the field of chemistry. Founded in 1876 at New York University, the ACS currently has more than 161,000 members at all degree-levels and in all fields of chemistry, chemical...
Award in Theoretical Chemistry
Theoretical chemistry
Theoretical chemistry seeks to provide theories that explain chemical observations. Often, it uses mathematical and computational methods that, at times, require advanced knowledge. Quantum chemistry, the application of quantum mechanics to the understanding of valency, is a major component of...
(2007), the 2008 Schrödinger Medal of World Association of Theoretical and Computational Chemists
World Association of Theoretical and Computational Chemists
The World Association of Theoretical and Computational Chemists is a scholarly association founded in 1982 "in order to encourage the development and application of theoretical methods" in chemistry, particularly quantum chemistry and computational chemistry...
(WATOC), and the Boys-Rahman Award of the Royal Society of Chemistry
Royal Society of Chemistry
The Royal Society of Chemistry is a learned society in the United Kingdom with the goal of "advancing the chemical sciences." It was formed in 1980 from the merger of the Chemical Society, the Royal Institute of Chemistry, the Faraday Society and the Society for Analytical Chemistry with a new...
(2009).
Bartlett has been widely recognized as a pioneer of rigorous many-body methods for electron correlation, in particular, many-body perturbation
Perturbation theory
Perturbation theory comprises mathematical methods that are used to find an approximate solution to a problem which cannot be solved exactly, by starting from the exact solution of a related problem...
and coupled cluster
Coupled cluster
Coupled cluster is a numerical technique used for describing many-body systems. Its most common use is as one of several quantum chemical post-Hartree–Fock ab initio quantum chemistry methods in the field of computational chemistry...
methods, which are today’s central computational tool for accurate electronic structure predictions. Bartlett and his coworkers were the first to formulate and implement coupled cluster theory with all single and double excitation operators (CCSD) in 1982, followed by triple (CCSDT) in 1987, quadruple (CCSDTQ), and even quintuple (CCSDTQP) excitation operators, and also many-body perturbation methods up to the sixth order. He developed a version of Feynman diagrams that both expedited the derivation of the equations and helped to visualize the physics of electron correlation. He also promoted the concept of size extensivity for many-body theory that scales properly with the number of particles, now viewed as an essential element of sound quantum chemistry approximations. Bartlett was also the first to explore the combination of coupled-cluster and many-body perturbation theories (in 1985) and proposed vastly successful approximations.
It is now widely agreed that the coupled cluster and many-body perturbation methods that Bartlett has been instrumental in establishing offer the most predictive, generally applicable approaches in the field. These methods helped electronic structure theory be accepted by the chemistry community as a reliable and integral branch of chemistry. Bartlett has been among the most frequently cited chemists and ranked 25th in the period of 1981–97 according to ISI.