Biography:Shoucheng Zhang

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Short description: Chinese-American physicist
The native form of this personal name is Zhang Shoucheng. This article uses Western name order when mentioning individuals.
Shoucheng Zhang
SC Zhang.jpg
Born
Shanghai, China
DiedDecember 1, 2018(2018-12-01) (aged 55)
San Francisco, California , U.S.
NationalityAmerican
Alma materFudan University
Freie Universität Berlin
Stony Brook University (PhD)
Known forQuantum spin Hall effect
Topological insulators
Field theory of quantum Hall effect
SO(5) theory of high-temperature superconductivity
AwardsEurophysics Prize (2010)
Oliver Buckley Prize (2012)
Dirac Medal of the ICTP (2012)
Physics Frontiers Prize in Fundamental Physics (2013)
Franklin Medal (2015)
NAS (2015)
Scientific career
FieldsPhysics
InstitutionsStanford University
Fudan University
Doctoral advisorPeter van Nieuwenhuizen

Shoucheng Zhang (Chinese: 张首晟; February 15, 1963 – December 1, 2018) was a Chinese-American physicist who was the JG Jackson and CJ Wood professor of physics at Stanford University. He was a condensed matter theorist known for his work on topological insulators, the quantum Hall effect, the quantum spin Hall effect, spintronics, and high-temperature superconductivity. According to the National Academy of Sciences:[1]

He discovered a new state of matter called topological insulator in which electrons can conduct along the edge without dissipation, enabling a new generation of electronic devices with much lower power consumption. For this ground breaking work he received numerous international awards, including the Buckley Prize, the Dirac Medal and Prize, the Europhysics Prize, the Physics Frontiers Prize and the Benjamin Franklin Medal.

Zhang founded the venture capital firm Danhua Capital.[2]

Biography

Zhang was born in Shanghai, China in 1963. He was accepted by Fudan University in 1978 at the age of 15, and went abroad in 1980 to study at the Free University of Berlin in West Berlin, where he received his B.S. degree in 1983. He then pursued his graduate studies at Stony Brook University (then referred to as State University of New York, Stony Brook). At Stony Brook, he initially studied supergravity (and earned his Ph.D. in 1987) with his advisor Peter van Nieuwenhuizen, before turning to condensed matter on the advice of his personal hero, Nobel laureate Chen-Ning Yang. In the final year at Stony Brook, he switched to condensed matter physics under the supervision of Steven Kivelson.

Zhang was a postdoctoral Fellow at ITP in Santa Barbara from 1987 to 1989. He then joined IBM Almaden Research Center as a Research Staff Member from 1989 to 1993. Thereafter, he joined Stanford University as Assistant Professor of Physics. Beginning in 2004, he concurrently held (by courtesy appointment) titles of Professor of Applied Physics and Professor of Electrical Engineering at Stanford University. In 2007, the "quantum spin Hall effect" discovered by Zhang was named one of the "Top Ten Important Scientific Breakthroughs in the World" by Science Magazine. In 2010, he was named the J. G. Jackson and C. J. Wood Professor in Physics.[3]

In 2009, Zhang was chosen to be a part of an expert panel for the Thousand Talents Program. In 2013, Zhang created Danhua Capital, a venture capital firm, which raised $434.5 million across two funds.[2] Danhua Capital's major investors include state-owned Beijing government enterprise Zhongguancun Development Group (ZDG), which has been linked to the Chinese technology transfer program Made in China 2025.[4] He also served as an independent non-executive director at Lenovo Group and at Meitu.[5]

Zhang's wife Barbara is a software engineer at IBM. They met in kindergarten, in Shanghai. Together they have two children, a son Brian and a daughter Stephanie.[6]

Zhang died in San Francisco on December 1, 2018, at the age of 55, in an apparent suicide. His family said in a statement that he died "after fighting a battle with depression."[7][8][9]

Scientific achievements

Zhang was one of the founders of the field of topological insulators. He made one of the first theoretical proposals of the quantum spin Hall effect. Soon after the initial theoretical proposal, his group theoretically predicted the first realistic quantum spin Hall material in HgTe quantum wells.[10] This prediction was soon confirmed experimentally,[11] launching worldwide research activities. Subsequently, his group predicted numerous novel topological states of matter and topological effects, including the Bi2Se3 family of 3D topological insulators,[12] the topological magneto-electric effect,[13] the quantum anomalous Hall effect in magnetic topological insulators, time-reversal invariant topological superconductors, and the realization of a chiral topological superconductor and of chiral Majorana fermions using the quantum anomalous Hall state in proximity with a superconductor. Most of these predicted properties have now been experimentally observed.

Earlier, Zhang also made significant contributions to other areas of physics. He and collaborators derived a topological (Chern–Simons form) quantum field theoretic description of the novel properties of fractional quantum Hall liquids,[14] and proposed a global phase diagram for the quantum Hall states with many features that have had since been experimentally observed. He generalized the theory of fractional quantum Hall effect to higher dimensions and related it to fundamental particle physics. He also proposed an influential theory of high-temperature superconductivity based on an extended symmetry principle.[15]

In early 2000, Zhang and collaborators revitalized the field of spintronics by proposing an intrinsic spin Hall effect and relating it to geometrical phases in quantum mechanics. This proposal stimulated extensive theoretical and experimental work, and also contributed to later developments concerning the quantum spin Hall effect and topological insulators more generally.

Between the years 2010–2015, Zhang and his group of physicists at Stanford University wrote three theoretical papers where they successfully showed how to test Ettore Majorana's theory of Majorana fermion, or what had previously been only a scientific hypothesis that a particle can be its own antiparticle, without the need of external forces having the same mass with the opposite charge of the electron.[16]

Honors and awards

Zhang was a fellow of the American Physical Society and a fellow of the American Academy of Arts and Sciences. He received the Guggenheim fellowship in 2007, the Alexander von Humboldt Research Prize in 2009, the Europhysics Prize in 2010,[17] the Oliver Buckley Prize in 2012, the Dirac Medal and Prize in 2012, the Physics Frontiers Prize in 2013, the "Nobel-class" Citation Laureates by Thomson Reuters in 2014,[18] and the Benjamin Franklin Medal in 2015. He was identified as one of the top candidates for the Nobel Prize by Thomson Reuters in 2014.[19] He was elected as a member of the US National Academy of Sciences in 2015.

  • Fellow, American Physical Society
  • Fellow, American Academy of Arts and Sciences[20]
  • Guggenheim Fellow, 2007
  • Alexander von Humboldt Research Prize, 2009
  • Europhysics Prize, 2010[17]
  • Oliver Buckley Prize, 2012 [21]
  • Dirac Medal of the ICTP, 2012 [22]
  • Physics Frontier Prize, 2013 [23][24]
  • "Nobel-class" Citation Laureates by Thomson Reuters, 2014 [25]
  • Benjamin Franklin Medal, 2015 [26][27]
  • Member, National Academy of Sciences (NAS)[28][1]
  • Foreign Member, Chinese Academy of Sciences

Selected publications

  • "Quantum spin hall effect in HgTe quantum well theoretically predicted"[29]
  • "Quantum spin hall effect in HgTe quantum well experimentally demonstrated"[30]
  • "Topological field theory of time-reversal invariant insulators"[13]
  • "Topological insulators in Bi2Se3, Bi2Te3 and Sb2Te3"[31]
  • Topological insulators and superconductors". Reviews of Modern Physics[32]

References

  1. ↑ 1.0 1.1 "Shoucheng Zhang". National Academy of Sciences. 2018. http://www.nasonline.org/member-directory/deceased-members/20035978.html. 
  2. ↑ 2.0 2.1 Yang, Yingzhi; Huang, Zheping (December 6, 2018). "Zhang Shoucheng, Stanford physicist and tech venture capitalist dies after 'a battle with depression'". South China Morning Post. https://www.scmp.com/tech/article/2176729/zhang-shoucheng-stanford-physicist-and-tech-venture-capitalist-dies-after. 
  3. ↑ "SHOUCHENG ZHANG, Department of Physics, Stanford University.". https://physics.stanford.edu/people/faculty/shoucheng-zhang. 
  4. ↑ "Physicist linked to China program" (in en). Washington Times. https://www.washingtontimes.com/news/2018/dec/12/physicist-linked-to-china-program/. 
  5. ↑ "Renowned Stanford Physicist Shoucheng Zhang Dies at 55 - Caixin Global" (in en). https://www.caixinglobal.com/2018-12-06/renowned-stanford-physicist-shoucheng-zhang-dies-at-55-101356210.html. 
  6. ↑ Zhang, Qidong (February 21, 2014). "Shoucheng Zhang: Maotai and a possible Nobel Prize await this scientist". China Daily. http://usa.chinadaily.com.cn/epaper/2014-02/21/content_17295558.htm. "Zhang's wife Barbara, whom he has known since kindergarten, is a software engineer at IBM." 
  7. ↑ Han Shengjiang 韩声江 (December 6, 2018). "美国华裔物理学家张首晟教授去世，终年55岁". https://www.thepaper.cn/newsDetail_forward_2711884. 
  8. ↑ Castelvecchi, Davide (December 8, 2018). "Topological-physics pioneer Shoucheng Zhang dies: Theoretical physicist was among the first to predict that the phenomenon of topology could lead to exotic states of matter.". Nature. doi:10.1038/d41586-018-07709-y. https://www.nature.com/articles/d41586-018-07709-y. Retrieved December 9, 2018. 
  9. ↑ Garisto, Daniel (December 10, 2018). "Shoucheng Zhang 1963-2018" (in en). American Physical Society. https://www.aps.org/publications/apsnews/updates/zhang.cfm. 
  10. ↑ Bernevig, B. A.; Hughes, T.L.; Zhang, S. C. (2006). "Quantum spin Hall effect and topological phase transition in HgTe quantum wells.". Science 314 (5806): 1757–1761. doi:10.1126/science.1133734. PMID 17170299. Bibcode: 2006Sci...314.1757B. 
  11. ↑ König, M. (2007). "Quantum spin Hall insulator state in HgTe quantum wells.". Science 318 (5851): 766–770. doi:10.1126/science.1148047. PMID 17885096. Bibcode: 2007Sci...318..766K. 
  12. ↑ Zhang, H. J. (2009). "Topological insulators in Bi2Se3, Bi2Te3 and Sb2Te3 with a single Dirac cone on the surface.". Nature Physics 5 (6): 438–442. doi:10.1038/nphys1270. Bibcode: 2009NatPh...5..438Z. 
  13. ↑ 13.0 13.1 Qi, X. L.; Hughes, T.L.; Zhang, S. C. (2008). "Topological field theory of time-reversal invariant insulators.". Physical Review B 78 (19): 195424. doi:10.1103/PhysRevB.78.195424. Bibcode: 2008PhRvB..78s5424Q. 
  14. ↑ Zhang, S. C. (1992). "The Chern–Simons–Landau–Ginzburg theory of the fractional quantum Hall effect.". International Journal of Modern Physics B 6 (1): 25–58. doi:10.1142/S0217979292000037. 
  15. ↑ Zhang, S. C. (1997). "A unified theory based on SO (5) symmetry of superconductivity and antiferromagnetism.". Science 275 (5303): 1089–1096. doi:10.1126/science.275.5303.1089. PMID 9027303. 
  16. ↑ Prof. Shoucheng Zhang, Shoucheng Zhang: "Quantum Computing, AI and Blockchain: The Future of IT" on YouTube, Lecture at Google Corp. / June 2018, minutes 7:42 - ff.
  17. ↑ 17.0 17.1 "Topological quintet bags Europhysics prize". Physics World. June 21, 2010. https://physicsworld.com/a/topological-quintet-bags-europhysics-prize/. "Five physicists who brought us the quantum spin-Hall effect and topological insulators have been awarded this year’s Europhysics Prize from the European Physical Society’s condensed-matter division. The winners are Shoucheng Zhang of Stanford University; Charles Kane and Eugene Mele of the University of Pennsylvania; and Hartmut Buhmann and Laurens Molenkamp of Würzburg University in Germany." 
  18. ↑ "Meet The Scientists Who Could Win This Year's Physics Nobel Prize". Business Insider. September 25, 2014. https://www.businessinsider.com/computing-physics-nobel-prize-candidates-2014-9. 
  19. ↑ "Thomson Reuters Predicts 2014 Nobel Laureates, Researchers Forecast for Nobel Recognition". Thomson Reuters. September 20, 2014. http://thomsonreuters.com/press-releases/092014/2014-nobel-laureates-predictions. 
  20. ↑ "Eight Stanford scholars named to American Academy of Arts and Sciences". News.stanford.edu. April 22, 2011. https://news.stanford.edu/news/2011/april/aaas-stanford-fellows-042211.html. 
  21. ↑ "Oliver E. Buckley Condensed Matter Prize". Aps.org. July 27, 2011. https://www.aps.org/programs/honors/prizes/prizerecipient.cfm?last_nm=Zhang&first_nm=Shoucheng&year=2012. "For the theoretical prediction and experimental observation of the quantum spin Hall effect, opening the field of topological insulators." 
  22. ↑ "A Triumph for Theoretical Physics: Medallists recognise Dirac's undeniable influence in the development of topological insulator theories". International Center for Theoretical Physics. July 4, 2013. https://www.ictp.it/about-ictp/media-centre/news/news-archive/2013/7/a-triumph-for-theoretical-physics.aspx. "The three condensed matter physicists, F. Duncan M. Haldane (Princeton University, USA), Charles L. Kane (University of Pennsylvania, USA) and Shoucheng Zhang (Stanford University, USA), whose research paved the way for advancing knowledge about topological insulators were presented their Dirac Medals at an award ceremony held on 4 July 2013 at ICTP." 
  23. ↑ "Physics Frontier Prize". physics.stanford.edu. January 2013. https://physics.stanford.edu/news/shoucheng-zhang-wins-2013-physics-frontiers-prize. 
  24. ↑ "Laureates: Shoucheng Zhang". BreakthroughPrize.org. 2013. https://breakthroughprize.org/Laureates/L47. "2013 Physics Frontiers Prize in Fundamental Physics: For the theoretical prediction and experimental discovery of topological insulators" 
  25. ↑ "Thomson Reuters Predicts 2014 Nobel Laureates, Researchers Forecast for Nobel Recognition". Thomson Reuters. http://thomsonreuters.com/press-releases/092014/2014-nobel-laureates-predictions. 
  26. ↑ "Benjamin Franklin Medal". news.stanford.edu. November 3, 2014. https://news.stanford.edu/thedish/2014/11/03/shoucheng-zhang-wins-franklin-medal-in-physics/. 
  27. ↑ "Shoucheng Zhang". Franklin Institute. 2015. https://www.fi.edu/laureates/shoucheng-zhang. "Citation: With Charles Kane and Eugene Mele, for their groundbreaking theoretical contributions leading to the discovery of a new class of materials called topological insulators, and for their prediction of specific compounds exhibiting the novel properties expected of these new materials." 
  28. ↑ "Nine Stanford faculty members elected to National Academy of Sciences". news.stanford.edu. April 30, 2015. https://news.stanford.edu/2015/04/30/national-academy-sciences-043015/. 
  29. ↑ Bernevig, B. A.; Hughes, T. L.; Zhang, S.-C.; Roth, Andreas; Buhmann, Hartmut; Molenkamp, Laurens W.; Qi, Xiao-Liang; Zhang, Shou-Cheng (December 15, 2006). "Quantum Spin Hall Effect and Topological Phase Transition in HgTe Quantum Wells". Science 314 (5806): 1757–1761. doi:10.1126/science.1133734. PMID 17170299. Bibcode: 2006Sci...314.1757B. 
  30. ↑ Konig, M.; Wiedmann, S.; Brune, C.; Roth, A.; Buhmann, H.; Molenkamp, L. W.; Qi, X.-L.; Zhang, S.-C. (2007). "Quantum Spin Hall Insulator State in HgTe Quantum Wells". Science 318 (5851): 766–770. doi:10.1126/science.1148047. PMID 17885096. Bibcode: 2007Sci...318..766K. 
  31. ↑ Zhang, Shou-Cheng; Fang, Zhong; Dai, Xi; Qi, Xiao-Liang; Liu, Chao-Xing; Zhang, Haijun (June 2009). "Topological insulators in Bi2Se3, Bi2Te3 and Sb2Te3 with a single Dirac cone on the surface". Nature Physics 5 (6): 438–442. doi:10.1038/nphys1270. Bibcode: 2009NatPh...5..438Z. 
  32. ↑ Qi, X. L.; Zhang, S. C. (2011). "Topological insulators and superconductors". Reviews of Modern Physics 83 (4): 1057–1110. doi:10.1103/RevModPhys.83.1057. Bibcode: 2011RvMP...83.1057Q. 

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