David Joseph Singh (born 1958) is a theoretical physicist who is a curators' professor in the Department of Physics and Astronomy at the University of Missouri in Columbia, Missouri. [1] He was previously a corporate fellow at the Oak Ridge National Laboratory (ORNL).
David Joseph Singh was born in Cedar Rapids, Iowa on June 23, 1958, and attended high school at Ashbury College in Ottawa, Canada. He obtained a summa cum laude B.Sc. (1980) and a Ph.D. (1985) in physics from the University of Ottawa in Canada. From 1985 to 1988, Singh had a postdoctoral appointment at the College of William and Mary. In 1988, Singh moved to join the theory group at the Naval Research Laboratory in Washington, D.C. From 1988 to 2004, he continued to work on a range of materials problems, including colossal magnetoresistance, at the Naval Research Laboratory. [2]
In 2004, Singh left Washington to join the Oak Ridge National Laboratory, a United States Department of Energy facility, in Oak Ridge, Tennessee. In 2015, he moved to the University of Missouri. [3]
Singh co-authored Planewaves, Pseudopotentials and the LAPW Method and approximately 500 publications in scientific journals. His general area of research is in condensed matter physics with a focus on electronic structure methods, ferroelectrics, thermoelectrics [4] [5] and iron-based superconductors. [6] He has contributed to the application of density functional theory, especially to iron-based superconductors, [7] and methods. [8]
Along with his former colleague and a frequent collaborator Igor I. Mazin, Singh developed the sign-changing s-wave model for iron-based superconductors. [9]
Singh became a fellow of the American Physical Society in 1997. [10] He was an editorial board member of the New Journal of Physics [11] and Scientific Reports . He is also a Fellow of the Royal Society of Chemistry.
Singh was a corporate fellow at Oak Ridge National Laboratory. [12] He received the E.O. Hulburt Annual Science Award and the Gordon Battelle Prize. [13]
A Majorana fermion, also referred to as a Majorana particle, is a fermion that is its own antiparticle. They were hypothesised by Ettore Majorana in 1937. The term is sometimes used in opposition to a Dirac fermion, which describes fermions that are not their own antiparticles.
Balázs László Győrffy was a Hungarian-American-British theoretical physicist. In his obituary, the Times Higher Education described him as "one of the dominant international figures in the development of the theory of condensed matter". Győrffy is thought to be the first person to use the term "electron glue" to describe the sea of electrons binding together the nuclei in materials.
The 122 iron arsenide unconventional superconductors are part of a new class of iron-based superconductors. They form in the tetragonal I4/mmm, ThCr2Si2 type, crystal structure. The shorthand name "122" comes from their stoichiometry; the 122s have the chemical formula AEFe2Pn2, where AE stands for alkaline earth metal (Ca, Ba Sr or Eu) and Pn is pnictide (As, P, etc.). These materials become superconducting under pressure and also upon doping. The maximum superconducting transition temperature found to date is 38 K in the Ba0.6K0.4Fe2As2. The microscopic description of superconductivity in the 122s is yet unclear.
Piers Coleman is a British-born theoretical physicist, working in the field of theoretical condensed matter physics. Coleman is professor of physics at Rutgers University in New Jersey and at Royal Holloway, University of London.
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Alexandre Bouzdine (Buzdin) (in Russian - Александр Иванович Буздин; born March 16, 1954) is a French and Russian theoretical physicist in the field of superconductivity and condensed matter physics. He was awarded the Holweck Medal in physics in 2013 and obtained the Gay-Lussac Humboldt Prize in 2019 for his theoretical contributions in the field of coexistence between superconductivity and magnetism.
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Antonio Helio de Castro Neto is a Brazilian-born physicist. He is the founder and director of the Centre for Advanced 2D Materials at the National University of Singapore. He is a condensed matter theorist known for his work in the theory of metals, magnets, superconductors, graphene and two-dimensional materials. He is a distinguished professor in the Departments of Materials Science Engineering, and Physics and a professor at the Department of Electrical and Computer Engineering. He was elected as a fellow of the American Physical Society in 2003. In 2011 he was elected as a fellow of the American Association for the Advancement of Science.
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Dale J. Van Harlingen is an American condensed matter physicist.
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