迄今已发表学术论文40余篇，包括Phys. Rev. Lett. 3篇（第一作者）以及Nature Physics 1篇（合作作者），H因子15；
主持国家自然科学基金面上项目、青年基金项目和中国博士后科学基金项目；
曾为本科生讲授《激光物理》和为研究生讲授《超快光学》，并负责《大学物理实验》的部分课程教学
2020年入选湖北省“百人计划”。
代表性成果
Effect of spin-orbit coupling in laser-induced ionization of atoms
Y Hu, K Liu*, K Renziehausen, Y Tian, Q Zhang, M Li, Y Zhou, P Lu Physical Review A 108 (1), 023113 (2023).
Detecting and characterizing the nonadiabaticity of laser-induced quantum tunneling K Liu, S Luo, M Li, Y Li, Y Feng, B Du, Y Zhou, P Lu, I Barth Physical Review Letters 122 (5), 053202 (2019).
Deformation of Atomic p± Orbitals in Strong Elliptically Polarized Laser Fields: Ionization Time Drifts and Spatial Photoelectron Separation K Liu, H Ni, K Renziehausen, JM Rost, I Barth Physical Review Letters 121 (20), 203201 (2018).
Ultrafast preparation and detection of ring currents in single atoms
S Eckart, M Kunitski, M Richter, A Hartung, J Rist, F Trinter, K Fehre, N Schlott, K Henrichs, L P H Schmidt, T Jahnke, M Sch?ffler, K Liu, I Barth, J Kaushal, F Morales, M Ivanov, O Smirnova, R D?rner Nature Physics 14 (7), 701-704 (2018).
Identifying the Tunneling Site in Strong-Field Ionization of H2+ K Liu*, I Barth Physical Review Letters 119 (24), 243204 (2017).
