Walter Kohn

Walter Kohn
Kohn pada 2012
Lahir(1923-03-09)9 Maret 1923
Wina, Austria
Meninggal19 April 2016(2016-04-19) (umur 93)
Santa Barbara, California, A.S.
KebangsaanAmerika Serikat
AlmamaterUniversitas Toronto, Harvard
Dikenal atasTeori fungsi rapatan
metode KKR
Suami/istriLois (Adams)[1]
Mara (Vishniac) Schiff[2]
PenghargaanPenghargaan Benda Terkondensasi Oliver E. Buckley (1961)
National Medal of Science (1988)
Penghargaan Nobel Kimia (1998)
Karier ilmiah
BidangFisika, Kimia
InstitusiUC Santa Barbara, UC San Diego
Pembimbing doktoralJulian Schwinger
Tanda tangan
Spanduk di galah yang ada di Universitas California, Santa Barbara yang memperingati diraihnya Penghargaan Nobel Kimia oleh Walter Kohn pada tahun 1998

Walter Kohn (pelafalan dalam bahasa Jerman: [ˈvaltɐ ˈkoːn]; 9 Maret 1923 – 19 April 2016)[3] adalah seorang ahli fisika teori dan kimia teori Amerika Serikat. Ia dianugerahi, bersama John Pople, Penghargaan Nobel Kimia tahun 1998.[4] Penghargaan ini mengakui kontribusi mereka terhadap pemahaman tentang sifat elektronik material. Secara khusus, Kohn memainkan peran utama dalam pengembangan teori fungsi rapatan, yang memungkinkan untuk menghitung struktur elektronik mekanika kuantum dengan persamaan yang melibatkan kerapatan elektronik (bukan fungsi gelombang banyak tubuh). Penyederhanaan komputasi ini menyebabkan perhitungan yang lebih akurat pada sistem yang kompleks serta memunculkan banyak wawasan baru, dan telah menjadi alat penting untuk ilmu material, fisika fase terkondensasi, dan fisika kimia atom dan molekul.[5]

Meninggal

Kohn meninggal dunia pada 19 April 2016 di rumahnya di Santa Barbara, California karena kanker rahang, pada usia 93.[5][6][7]

Referensi

  1. ^ Emma Stoye (22 April 2016). "Chemistry Nobel laureate Walter Kohn dies aged 93 | Chemistry World". Rsc.org. 
  2. ^ Newhouse, Alana (1 April 2010). "A Closer Reading of Roman Vishniac". The New York Times. Diarsipkan dari versi asli tanggal 23 October 2015. 
  3. ^ "Archived copy". Diarsipkan dari versi asli tanggal 2016-05-13. Diakses tanggal 2016-04-21. 
  4. ^ From Exile to Excellence Diarsipkan May 31, 2011, di Wayback Machine., by Karin Hanta (Austria Culture Vol. 9 No. 1 January/February 1999)
  5. ^ a b Sham, Lu J. (2016). "Walter Kohn (1923–2016) Condensed-matter physicist who revolutionized quantum chemistry". Nature. 534 (7605): 38. Bibcode:2016Natur.534...38S. doi:10.1038/534038a. PMID 27251269. 
  6. ^ Pernett, Stephanie (22 April 2016). "UCSB Professor and Nobel Laureate Walter Kohn Passes Away at 93". Daily Nexus. Santa Barbara, California. Diarsipkan dari versi asli tanggal 23 Apri 2016. Diakses tanggal 22 April 2016. 
  7. ^ "Walter Kohn, Nobel-Winning Scientist, Dies at 93". The New York Times.com. 25 April 2016. Diarsipkan dari versi asli tanggal 30 April 2016. Diakses tanggal 25 April 2016. 

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