Accuracy where electronic interactions matter

We leverage computational power to solve problems dominated by electronic interactions. Because of the many-body fermionic nature of electrons, these problems must be approached approximately—choosing a level of theory that balances accuracy with feasible time and resources.

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Themes that define the group

Orbital-free density functional theory

Approximate electronic structure without orbitals, enabling large-scale first-principles simulations while balancing accuracy and cost.

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Kohn–Sham density functional theory

Conventional KS-DFT with careful numerical convergence—pseudopotentials, basis sets, and k-point grids—across chemical space.

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Reduced density matrix functional theory

One- and two-body density matrix methods that go beyond standard DFT when electronic correlations matter.

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Extreme conditions and warm dense matter

Materials from absolute zero to billion-Kelvin regimes and from ambient pressure to thousands of GPa.

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Current group

All members全部成员
Photo of Kai Luo

Kai Luo (罗凯)

Principal Investigator课题组长

Research研究方向 Orbital-free density functional theory, density functional theory, reduced density matrix functional theory, warm dense matter

Photo of Xuyang Long

Xuyang Long (龙旭扬)

Graduate研究生

Years时间 2024.09 --

Research研究方向 Exchange-correlation functional, deorbitalization

Photo of Jinfan Liu

Jinfan Liu (刘锦繁)

Undergraduate本科生

Years时间 2025.1 --

Research研究方向 ABACUS graphical user interface

Selected recent work

Full list完整列表
  1. Location of the liquid-vapor critical point in aluminum

    Xuyang Long, Kai Luo

    Physical Review B 113, 174106 (2026)

  2. Pressure dependence of liquid iron viscosity from machine-learning molecular dynamics

    Kai Luo, Xuyang Long, and R.E. Cohen

    Geochemistry, Geophysics, Geosystems, 27 (4), e2025GC012684 (2026)

  3. Semilocal Kinetic Energy Density Functionals on Atoms and Diatoms

    Tingwei Wang, Kai Luo, and Ruifeng Lu

    Journal of Chemical Theory and Computation 20 (12), 5176-5187 (2024)

Mathematical methods in physics

Course materials for 数学物理方法, including Fall 2024 lectures and homework.

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Notes from the lab

Software install diaries and computational workflow notes for scientific codes.

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