Alexei Kitaev (Russian: Алексей Юрьевич Китаев; born August 26, 1963) is a RussianAmerican professor of physics at the California Institute of Technology and permanent member of the Kavli Institute for Theoretical Physics.[1] He is best known for introducing the quantum phase estimation algorithm and the concept of the topological quantum computer[2] while working at the Landau Institute for Theoretical Physics. For this work, he was awarded a MacArthur Fellowship in 2008. He is also known for introducing the complexity class QMA and showing the 2-local Hamiltonian problem is QMA-complete, the most complete result for k-local Hamiltonians.[3] Kitaev is also known for contributions to research on a model relevant to researchers of the AdS/CFT correspondence started by Sachdev and Ye; this model is known as the Sachdev-Ye-Kitaev [SYK] model.[4]

Kitaev was educated in Russia, receiving an M.Sc from the Moscow Institute of Physics and Technology (1986), and a Ph.D from the Landau Institute for Theoretical Physics (1989). He served previously as a researcher (1999–2001) at Microsoft Research, a research associate (1989–1998) at the Landau Institute and a professor at Caltech (2002–present).[1]

Honors and awardsEdit

In 2008 Kitaev was awarded a MacArthur Fellowship.

In July 2012, he was an inaugural awardee of the Fundamental Physics Prize, the creation of physicist and internet entrepreneur, Yuri Milner.[5]

In 2015, he was jointly awarded the 2015 Dirac Medal by ICTP.[6]

In 2017, he was, together with Xiao-Gang Wen, the winner of the Oliver E. Buckley Condensed Matter Prize.[7]


  1. ^ a b "Alexei Y. Kitaev". California Institute of Technology. Retrieved 20 January 2012.
  2. ^ Kitaev, A. Yu. (2003). "Fault-tolerant quantum computation by anyons". Annals of Physics. 303 (1): 2–30. arXiv:quant-ph/9707021v1. Bibcode:2003AnPhy.303....2K. doi:10.1016/S0003-4916(02)00018-0.
  3. ^ Dorit Aharonov; Tomer Naveh (2002). "Quantum NP—A Survey". arXiv:quant-ph/0210077.
  4. ^ Kitaev, Alexei; Suh, S. Josephine (2017). "The soft mode in the Sachdev-Ye-Kitaev model and its gravity dual". Journal of High Energy Physics. 5 (5): 183. arXiv:1711.08467. Bibcode:2018JHEP...05..183K. doi:10.1007/JHEP05(2018)183.
  5. ^ "New annual US$3 million Fundamental Physics Prize recognizes transformative advances in the field". Fundamental Physics Prize. Archived from the original on 2012-08-03. Retrieved 1 August 2012.
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External linksEdit