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Alexander Davydov

From Wikipedia, the free encyclopedia

For the opera singer, see Alexander Davydov (singer). For the major-general of the Russian Empire, see Alexander Lvovich Davydov. For the alleged son of Joseph Stalin, see Alexander Davydov (soldier).
In this name that follows Eastern Slavic naming customs, the patronymic is Sergeevich and the family name is Davydov.
Alexander Sergeevich Davydov
Born(1912-12-26)26 December 1912
Yevpatoria, Russian Empire
Died19 February 1993(1993-02-19) (aged 80)
Kiev, Ukraine
CitizenshipSoviet Union
Ukraine
Alma materMoscow State University
Known forDavydov splitting
Davydov soliton
AwardsHero of Socialist Labour (1982)
Order of Lenin (1971, 1982)
Shevchenko National Prize (1969)
Lenin Prize (1966)
Medal "For Labour Valour" (1961)
Scientific career
FieldsTheoretical Physics
Biophysics
InstitutionsBogolyubov Institute for Theoretical Physics of the National Academy of Sciences of Ukraine

Alexander Sergeevich Davydov (Russian: Александр Сергеевич Давы́дов, Ukrainian: Олекса́ндр Сергі́йович Дави́дов) (26 December 1912 – 19 February 1993) was a Soviet and Ukrainian physicist. Davydov graduated from Moscow State University in 1939. In 1963-1990 he was Director of Institute for Theoretical Physics of the Ukrainian Academy of Sciences.[1]

His main contributions were in theory of absorption, scattering and dispersion of the light in molecular crystals. In 1948, he predicted the phenomenon that is known as Davydov splitting or factor-group splitting, "the splitting of bands in the electronic or vibrational spectra of crystals due to the presence of more than one (interacting) equivalent molecular entity in the unit cell."[2] In the period 1958–1960 he developed the theory of collective excited states in spherical and non-spherical nuclei, known as Davydov-Filippov Model and Davydov-Chaban Model.[1]

In 1973, Davydov applied the concept of molecular solitons in order to explain the mechanism of muscle contraction in animals.[3][4][5] He studied theoretically the interaction of intramolecular excitations or excess electrons with autolocal breaking of the translational symmetry. These excitations are now known as Davydov solitons.[6][7] In 1979, Davydov published the first textbook on quantum biology entitled "Biology and Quantum Mechanics" in Russian, which was then translated in English three years later.[8][9]

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Transcription

Publications

See also

References

  1. ^ a b International Academy of Quantum Molecular Science (IAQMS). "Alexander S. Davydov". Retrieved 2011-08-15.
  2. ^ McNaught, Alan D.; Wilkinson, Andrew (2019). "Davydov splitting (factor-group splitting)". IUPAC Compendium of Chemical Terminology. Research Triangle Park, North Carolina: International Union of Pure and Applied Chemistry. doi:10.1351/goldbook.D01526.
  3. ^ Davydov AS (1973). "The theory of contraction of proteins under their excitation". Journal of Theoretical Biology. 38 (3): 559–569. Bibcode:1973JThBi..38..559D. doi:10.1016/0022-5193(73)90256-7. PMID 4266326.
  4. ^ Davydov AS (1974). "Quantum theory of muscular contraction". Biophysics. 19: 684–691.
  5. ^ Davydov AS (1977). "Solitons and energy transfer along protein molecules". Journal of Theoretical Biology. 66 (2): 379–387. Bibcode:1977JThBi..66..379D. doi:10.1016/0022-5193(77)90178-3. PMID 886872.
  6. ^ Scott, Alwyn C. (1985). "Davydov solitons in polypeptides". Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences. 315 (1533): 423–436. Bibcode:1985RSPTA.315..423S. doi:10.1098/rsta.1985.0049. OSTI 6443952. S2CID 86823456.
  7. ^ Brizhik, Larissa S. (2003). "Dynamical properties of Davydov solitons" (PDF). Ukrainian Journal of Physics. 48 (7): 611–622.
  8. ^ Davydov, Alexander S. (1979). Биология и Квантовая Механика [Biology and Quantum Mechanics] (in Russian). Kiev: Naukova Dumka. OCLC 6736440.
  9. ^ Davydov, Alexander S. (1982). Biology and Quantum Mechanics. Oxford: Pergamon Press. ISBN 9780080263922. OCLC 7875407.
This page was last edited on 6 May 2024, at 13:32
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