Adolfas Jucys
Adolfas Jucys , sometimes also quoted by Yutsis, (born September 12, 1904 in Klausgalvų Medsėdžiai in what is now Lithuania ; † February 4, 1974 in Vilnius ) was a Lithuanian theoretical physicist who dealt with atomic physics .
Jucys was born in the Russian Empire (Kaunas Governorate). He studied mathematics and physics at the University of Kaunas from 1927 to 1931 and, after serving a year and a half, was an assistant in the physics laboratory of the University of Kaunas from 1935. In 1938 he was with Douglas Hartree at the University of Manchester and in 1939/40 at the University of Cambridge with Ralph Fowler . In 1940 he became principal assistant at Vilnius University and soon afterwards assistant professor. After receiving his doctorate in 1941, he became a professor of theoretical physics there, which he remained until his death. His doctorate and his professorship were confirmed by the Soviet authorities in 1945. From 1947 to 1948 he was director of the Pedagogical Institute in Vilnius. From 1949 he was at the Steklow Institute in Leningrad with Vladimir Fock , where he worked on his habilitation, which took place in 1951 (Russian doctorate).
In 1953 he was confirmed as professor of theoretical physics in Vilnius and from 1956 to 1963 he was director of the Institute of Physics and Mathematics of the Lithuanian Academy of Sciences.
On his initiative, a laboratory for computer numerical calculations was founded and in 1961 the first computer was installed (a Russian mainframe computer BESM-2M), on which electronic structural calculations of atoms could be carried out. Since 1967 he was head of the department for quantum mechanical calculations at the Institute of Physics and Mathematics of the Lithuanian Academy of Sciences.
He lectured in Italy (Frascati Summer School) in 1967 and in Great Britain and France in 1969. 1973/74 he lectured at the University of Waterloo .
Jucys is known as the founder of a school in theoretical atomic physics in Lithuania. He developed (as a student of both founders of the theory) the Hartree-Fock theory in atomic physics. He is well known for his monograph on a graphic method for the treatment of angular momentum coupling in theoretical atomic physics with I. Levinson (Yehoshua Levinson) and V. Vanagas (Vladislovas Eimutis Vanagas), which first appeared in Russian in 1960 and soon afterwards in English translation. From this, Yutsis graphs were later named after him.
Further monographs (in Russian) appeared in 1965 ( theory of angular momentum in quantum mechanics with A. Bandzaitis) and 1973 ( mathematical foundations of the theory of the atom , with A. Savukynas).
In 1953 he became a member of the Lithuanian Academy of Sciences. In 1963 he was one of the founders of the Lithuanian Physical Society.
His son Algimantas Adolfas Jucys (1936–1997) was also a theoretical physicist and mathematician (Jucys-Murphy elements in the group algebra of the symmetrical group are named after him).
Fonts
- Yutsis, Levinson, Vanagas: Mathematical Apparatus of the Theory of Angular Momentum . Israel Program for Scientific Translations, Jerusalem 1962 ( archive.org ).
Web links
- Biography ( Memento from August 2, 2012 in the web archive archive.today )
Individual evidence
- ↑ Yutsis, Levinson, Vanagas "Mathematical apparatus of the theory of angular momentum," Gordon and Breach 1964, Israel Program for Scientific Translations 1962
| personal data | |
|---|---|
| SURNAME | Jucys, Adolfas |
| BRIEF DESCRIPTION | Lithuanian physicist |
| DATE OF BIRTH | September 12, 1904 |
| PLACE OF BIRTH | Klausgalvų Medsėdžiai |
| DATE OF DEATH | 4th February 1974 |
| Place of death | Vilnius |