Hyeong Jun LEE

Hello, I am Hyeong Jun, a postdoctoral researcher at the Korea Advanced Institute of Science and Technology (KAIST), Korea.

EMPLOYMENT

Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea
Postdoctoral Researcher (MJ Han's group), Department of Physics [2022.4 - present]
Institute for Basic Science (IBS), Daejeon, Korea
Postdoctoral Researcher, Center for Theoretical Physics of Complex Systems [2018.3 - 2022.3]
Seoul National University (SNU), Seoul, Korea
Postdoctoral Fellow, Department of Physics and Astronomy (jointly in IBS-CCES) [2017.4 - 2018.2]

EDUCATION

Seoul National University, Seoul, Korea
PhD in Physics (2017), MSc in Physics (2012)
Sogang University, Seoul, Korea
BSc in Physics (2009)

more below

RESEARCH INTERESTS

Quantum materials - strong correlations, transition metal compounds, quantum magnetism, non-equilibrium physics
Quantum information and tensor network
Computational physics and optimizations

COMPUTATION SKILLS

Dynamical mean-field theory (DMFT) with exact diagonalization (ED) solver
[main-developer - (i) Julia-project (link), (ii) C++-project (link)]
Density-matrix renormalization group (DMRG) [from scratch, C++-project (link); using ITensor library in Julia]
DMFT+MFT (Magnetic force response theory calculation with DMFT) [main-developer, Julia-project (link)]
Hartree-Fock mean-field theory [from scratch, C/C++-project]
Coding languages/tools:
C/C++ (modern C++; <=c++17), Python (<=3.12), Julia (<=1.10); OpenMP and/or MPI, Git
Experience with other tools/packages:
PyTorch, TensorFlow,
DFT (VASP, WIEN2k, OpenMX),
Quantum Monte Carlo solver (TRIQS, EDMFTF, ComCTQMC),
ITensor (DMRG, TEBD)

PUBLICATIONS

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