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Research Highlight

• Uncertainty principle; Information theoretic quantum uncertainty.

• Generalization of non-locality; What is the most general form of non-locality?

• Estimation theory and precision measurement; Does entanglement help?

• Quantum control and quantum biology;

• Quantum cryptography and information;

• Many-body & complex quantum system; How can the multipartite entanglement relate with exotic phase of materials?

• Contextuality and graph theory for high-dimensional systems;

A few selected articles

• "Optimized entropic uncertainty for successive projective measurements",

Kyunghyun Baek, Tristan Farrow, and Wonmin Son, Phys. Rev. A. 89, 032108 (2014)

• "Quantum phase transition between cluster and antiferromagnetic states",

W. Son, L. Amico, R. Fazio, A. Hamma, S. Pascazio, V. Vedral, Europhys. Lett. vol. 95, 50001 (2011)

• "Quantum instability in a quasi-long-range ordered phase",

W. Son, L. Amico, F. Plastina, V. Vedral, Phys. Rev. A, 79, 022302 (2009)

• "Test of nonlocality for a continuous-variable state based on arbitrary number of measurement outcomes",

W. Son, C. Brukner and M. S. Kim, Phys. Rev. Lett., 97, 110401 (2006)

• "Joint measurements and Bell inequalities",

W. Son, E. Andersson, S. M. Barnett and M. S. Kim,Phys. Rev. A, 72, 052116, (2005)

• "Entanglement by a beam splitter: nonclassicality as a prerequisite for entanglement",

M. S. Kim, W. Son, V. Buzek, and P.L. Knight, , Phys. Rev. A, 65, 032323 (2002)

more Publications 

General Articles

• 손원민, "양자역학에서 측정과 불확실성; 불확정성 원리에 대하여", 물리학과 첨단기술 제22권 5호, 2013.

• 손원민, 정현석, 물리법칙의 발견 vs 프로그래밍 유니버스 "사이언스 북스" 2012, "물리학과 첨단기술 제21권 10호", 2013.

• 손원민, "순간이동 가능한 날 올까", 과학동아 2012년 11월호, 2012.

Books

• 고중숙 외 22인 지음, 책 대 책 : 코스모스에서 뉴런 네트워크까지 13편의 사이언스 북 토크, 2014

• 블라트코 베드럴 저/손원민 역, 물리법칙의 발견, 2011

Lecture Note

• Entanglement (양자 얽힘 현상이란 무엇인가?) (2013년 2월 18일 KIAS Winter School)

 "Entanglement", 2013

What is happening at QOQI lab

• 2019/04/30 There was the celebration of the award for outstanding graduate student (2019 1st semester) by department of physics, Sogang university. [Link]
  • Y. Jo was selected as one of the winners, and he presented his works.

• 2019/04/24-26 There was 2019 KPS spring conference in the Daejeon, Republic of Korea.
  • Poster : Bell type measurements for the phase quantification of the 1D spin-1 chain / Dongkeun Lee and Wonmin Son
  • Poster : Semi-device-independent multiparty quantum key distribution in the asymptotic limit / Yonggi Jo and Wonmin Son

• 2019/02/20 There was the seminar by Prof. Kim Kihwan (Tsinghua Univ.), "Quantum computation and quantum simulation with trapped ions."

• 2018/11/14-15 There was Future Crypto Workshop 2018 in the Ramada Seoul Hotel.
  • There was the awards ceremony of the 2018 Korean Crypto Competition (2018 국가암호공모전).
  • Y. Jo received honourable mention. [Link]

• 2018/10/24-26 ​There was 2018 KPS fall conference in the Changwon, Republic of Korea.
  • Poster : A family of Bell inequalities for maximally entangled states / Kwangil Bae and Wonmin Son
  • Poster : ​Efficient high-dimensional quantum key distribution with hybrid encoding / Yonggi Jo, Hee Su Park, Seung-Woo Lee, and Wonmin Son
  • Y. Jo received the grand prize for outstanding poster presentation award.

• 2018/04/25-27 There was 2018 KPS spring conference in Daejeon, Republic of Korea.
  • Poster : Numerical evaluation of the localizable entanglement in 1D spin chain model / Dongkeun Lee and Wonmin Son

• 2018/04/23-24 There was the first 'Quantim information conference' in OSK(Optical Society Korea) conference 2018 in Seoul, Republic of Korea.
  • Analytic approach to tight Bell’s ineqaulities in bi-partite system / Kwangil Bae and Wonmin Son
  • Numerical evaluation of the localizable entanglement in 1D spin chain model / Donggeun Lee and Wonmin Son

• 2018/01/04-07 There was Workshop on quantum information theory 2018 in Jeju, Republic of Korea.
  • Invited talk : Generalization of Bell-CHSH non-locality and beyond / Wonmin Son
  • Contributed talk : Role of measurement unsharpness in entropic uncertainty relations / Kyunghyun Baek and Wonmin Son
  • Contributed talk : Enhanced Bell state measurement for efficient measurement-device-independent quantum key distribution using 3-dimensional quantum states / Yonggi Jo, Kwangil Bae, and Wonmin Son

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