Jae­yoon Choi

Korea Advanced Institute of Science and Technology

EDUCATION

Seoul National University, Seoul, Korea

Doctor of Philosophy in Physics, February 2014

Thesis: Thermal phases fluctuations in a quasi­2D Bose Einstein condensate.

Research Advisor: Prof. Dr. Yong­il Shin

Korea Advanced Institute of Science and Technology, Daejeon, Korea

Bachelor of Science in Physics, February 2009 (Summa Cum Laude)

Thesis: Low temperature resistivity curve of Polyaniline.Research Advisor: Prof. Dr. Eunseong Kim

RESEARCH EXPERIENCE

Department of Physics, KAIST

Associate Professor (March 2022 ­ Present)

Assistant Professor (July 2017 ­February 2022)

Research topics: Quantum simulations with neutral atoms in optical lattices.

Max Planck Institute of Quantum Optics

Postdoctoral associate (October 2014 ­ July 2017)

Research advisor: Prof. Dr. Immanuel Bloch

Research topics: Many­body localization in the Bose­Hubbard Hamiltonian.

Center for Correlated Electron System, SNU

Postdoctoral associate (March 2014 ­ October 2014)

Research advisor: Prof. Dr. Tae Won Noh and Prof. Dr. Kyung Wan Kim

Research topics: Developing terahertz laser system.

Quantum Gas Laboratory, SNU

Research assistant (September 2009 ­ February 2014)

Research advisor: Prof. Dr. Yong­il Shin

Research topics: Berezinskii­Kosterlitz­Thouless superfluid of atomic gases.

Topological Skyrmion spin texture in spinor condensates.

Center for Supersolid and Quantum Matter Research, KAIST

Research assistant (September 2008 ­ January 2009)

Research advisor: Prof. Dr. EunSeong Kim

Research topics: Synthesizing and characterizing conducting polymer

MAJOR ACHIEVEMENTS

• First realization of Lithium­7 quantum gas microscope.

• First realization of strongly ferromagnetic spinor condensates of Lithium­7 atom.

• Many­body localization (MBL) in two dimensions.

• Evidence of diverging length scale near the MBL phase transition.

• First realization of Bose­Einstein condensates of atomic gases in Korea.

RECENT PUBLICATIONS

1. K. Kwon, K. Kim, J. Hur, S. Huh, and J. Choi† , “Site­resolved imaging of a bosonic Mott insulator of 7Li atoms ” Physical Review A 105, 033323 (2022).

2. K. Kwon, K. Mukherjee, S. Huh, K. Kim, S. I. Mistakidis, D. K. Maity, P. G. Kevrekidis, S. Majumder, P. Schmelcher, and J. Choi† , “Spontaneous Formation of Star­Shaped Surface Patterns in a driven Bose­Einstein Condensate ” Physical Review Letters 127, 113001 (2021).

3. K. Kim, J. Hur, S. Huh, S. Choi, and J. Choi† , “Emission of Spin­correlated Matter­wave jets from Spinor Bose­Einstein Condensates ” Physical Review Letters 127, 043401 (2021).

4. J. H. Lee, H. Jung, J. Choi, and J. Mun, “Transporting cold atoms using an optically compensated zoom lens ” Physical Review A 102, 063106 (2020).

5. S. Huh, K. Kim, K. Kwon, and J. Choi† , “Observation of a strongly ferromagnetic spinor Bose­Einstein condensate ” Physical Review Research 2, 033471 (2020) [Editor’s Suggestion].

6. A. Rubio­Abadal, J. Choi† , J. Zeiher, S. Hollerith, J. Rui, I. Bloch, and C. Gross, “Probing many­body localization in the presence of a quantum bath ” Physical Review X 9, 041017 (2019).

7. K. Kim, S. Huh, K. Kwon, and J. Choi† “Rapid production of large 7Li Bose­Einstein condensates using D1 gray molasses ” Physical Review A 99, 053604 (2019).

8. J. Zeiher, J. Choi, A. Rubio­Abadal, T. Pohl, R. van Bijnen, I. Bloch, C. Gross, “Coherent many­body spin dynamics in a long­range interacting Ising chain” Physical Review X 7, 041063 (2017).

9. J. Choi† , S. Hild, J. Zeiher, P. Schauß, A. Rubio­Abadal, T. Yefsah, V. Khemani, D. A. Huse, I. Bloch, and C. Gross, “Exploring the many­body localization transition in two dimensions” Science 352, 1547 (2016) [Cover story].

10. J. Zeiher, R. Bijnen, P. Schauß, S. Hild, J. Choi, T. Pohl, I. Bloch, and C. Gross, “Many­body interferometry of a Rydberg­dressed spin lattice” Nature Physics 12, 1095 (2016).

† Corresponding Author.

NVITED TALKS AND SEMINARS

1. Asia­Pacific Workshop on Trapped Quantum Systems 2022, Online. April 2022.

2. Colloquium at Korea University. Ocotober 2021.

3. International Conference on Quantum Computing, Seoul. June 2021.

4. Colloquium at POSTECH. March 2021.

5. US­Korea Conference, virtual. December, 2020.

6. International Workshop on Quantum Thermodynamics, Jeju. July, 2019.

7. American Physical Society March Meeting, Boston. March, 2019.

8. Colloquium at Chonnam National University. April 2018.

9. Yukawa Institute for Theoretical Physics Workshop, Kyoto. September, 2017.

AWARDS, HONORS, AND FELLOWSHIPS

1. Marie­Skłodowska­Curie fellowship from European Commission (2015 ­ 2017).

2. Young physicist award from Korean Physical Society (2014).

3. Award for outstanding doctoral thesis in college of natural science at Seoul National University (2014).

4. Fellowship from the National Research Foundation, Global Ph.D fellow (2011­2014).

5. Fellowship from Usan YukYeonghoe Foundation (2009­2010).

6. Fellowship from the Korea Foundation for Advanced Studies (2007­2009).

7. Honored student in the KAIST physics department (2006­2009).

8. Fellowship from the National Science and Technology Scholarship (2005­2009).