Welcome to Choi Group at KIAS
Welcome to Choi Group at KIAS
We are interested in emerging phenomena in quantum materials and their applications for quantum information science. To this end, we develop and apply classical and quantum algorithms for quantum many-body problems.
We are interested in emerging phenomena in quantum materials and their applications for quantum information science. To this end, we develop and apply classical and quantum algorithms for quantum many-body problems.
Positions Opening
Positions Opening
Postdoctoral research fellow positions as well as graduate student fellow positions are available. Those interested should get in touch at sangkookchoi (at) kias (dot) re (dot) kr.
Postdoctoral research fellow positions as well as graduate student fellow positions are available. Those interested should get in touch at sangkookchoi (at) kias (dot) re (dot) kr.
News
News
2024
2023
• Dec. 15, 2023 We awarded 14.5K CPU node hours and 100 GPU node hours from NERSC.
• Dec. 15, 2023 We awarded 14.5K CPU node hours and 100 GPU node hours from NERSC.
• Oct. 6, 2023 Our paper on the first implementation of the fully self-consistent "GW+EDMFT" from first principles is on the arxiv.
• Oct. 6, 2023 Our paper on the first implementation of the fully self-consistent "GW+EDMFT" from first principles is on the arxiv.
• Sep. 1, 2023 We are participating in the project on the quantum simulator development for materials innovation.
• Sep. 1, 2023 We are participating in the project on the quantum simulator development for materials innovation.
• Aug. 20. 2023. Dr. Minsung Kim is starting a new position as an assistant professor at SeoulTech. Good luck and let's keep in touch.
• Aug. 20. 2023. Dr. Minsung Kim is starting a new position as an assistant professor at SeoulTech. Good luck and let's keep in touch.
• Jul. 12, 2023 Our paper on the two-orbital Hundness in the infinite-layer nickelates is finally published in npj Quantum Materials. Wow, it was a really long journey.
• Jul. 12, 2023 Our paper on the two-orbital Hundness in the infinite-layer nickelates is finally published in npj Quantum Materials. Wow, it was a really long journey.
• Aug. 25, 2023 The paper on the key measures of Hund metallic phases is accepted in Phys. Rev. Res.
• Aug. 25, 2023 The paper on the key measures of Hund metallic phases is accepted in Phys. Rev. Res.
• Apr. 11, 2023 The paper on the interplay between electron correlation and non-trivial band topology in Fe-baed superconductors, in collaboration with Prof. Choi, is on arxiv.
• Apr. 11, 2023 The paper on the interplay between electron correlation and non-trivial band topology in Fe-baed superconductors, in collaboration with Prof. Choi, is on arxiv.
2022
• Dec. 17, 2022 We awarded 6.5K CPU node hours and 100 GPU node hours from NERSC.
• Dec. 17, 2022 We awarded 6.5K CPU node hours and 100 GPU node hours from NERSC.
• Dec. 1, 2022 Prof. Choi will serve as a consultant to Brookhaven National Lab.
• Dec. 1, 2022 Prof. Choi will serve as a consultant to Brookhaven National Lab.
• Sep. 1, 2022 Dr. Choi is starting a new position as a professor at Korea Institute for Advanced Study (KIAS) in South Korea.
• Sep. 1, 2022 Dr. Choi is starting a new position as a professor at Korea Institute for Advanced Study (KIAS) in South Korea.
• Jun. 16, 2022 Dr. Choi gave a lecture on ab initio DMFT methods and led a hands-on session on Comsuite in the international summer school on computational quantum materials.
• Jun. 16, 2022 Dr. Choi gave a lecture on ab initio DMFT methods and led a hands-on session on Comsuite in the international summer school on computational quantum materials.
2021
• Dec. 11, 2020 We awarded 18K CPU node hours from NERSC.
• Dec. 11, 2020 We awarded 18K CPU node hours from NERSC.
• Nov. 17, 2021 The paper on the Kondo effect in spin-triplet superconductor candidate UTe2, in collaboration with me, is on arxiv.
• Nov. 17, 2021 The paper on the Kondo effect in spin-triplet superconductor candidate UTe2, in collaboration with me, is on arxiv.
• Oct. 6, 2021 Dr. Choi will serve as a representative on the DOE-BES early career network.
• Oct. 6, 2021 Dr. Choi will serve as a representative on the DOE-BES early career network.
• Mar. 29, 2021 Our paper on "Hund physics landscape of two-orbital system" has been accepted in Phys. Rev. Lett.
• Mar. 29, 2021 Our paper on "Hund physics landscape of two-orbital system" has been accepted in Phys. Rev. Lett.
2020
• Dec. 11, 2020 We awarded 3.3M computational hours from NERSC.
• Dec. 11, 2020 We awarded 3.3M computational hours from NERSC.
• Sep. 22, 2020 The paper on the electron correlation in LiFeAs, in collaboration with me, is on arxiv.
• Sep. 22, 2020 The paper on the electron correlation in LiFeAs, in collaboration with me, is on arxiv.
• Aug. 30, 2020 We just posted our preprint on "Unveiling Hund-coupling-induced correlated metals in two-orbital Hubbard model" available here.
• Aug. 30, 2020 We just posted our preprint on "Unveiling Hund-coupling-induced correlated metals in two-orbital Hubbard model" available here.
• Jul. 29, 2020 We just posted our preprint on "Infinite-layer nickelates as Ni-eg Hund’s metals" available here.
• Jul. 29, 2020 We just posted our preprint on "Infinite-layer nickelates as Ni-eg Hund’s metals" available here.