姓名:杨东铮
职称:特任研究员
单位:中国科学技术大学
邮箱:dzyang@ustc.edu.cn

1、分子碰撞态-态量子动力学。以量子力学为基础,在全量子态分辨层次研究分子单次碰撞过程。精准追踪反应物从确定振转态,经碰撞导致的非弹性散射或化学反应,生成特定量子态产物的演化规律。获取态-态散射截面、角分布等微观信息,揭示基元反应中量子干涉、共振等效应,理解化学反应本质的核心微观机制。
2、分子振动-转动红外光谱。以量子力学为核心工具,围绕分子振转能级结构与光谱响应规律展开研究。通过构建精确分子势能面,求解其薛定谔方程,获得振动-转动能级等微观信息,进而指认谱线位置与振转模式归属。为气相动力学、星际分子探测、环境痕量气体分析等提供精确的光谱标识与微观机理支撑。
3、气-固表界面分子散射动力学。以量子或经典动力学结合势能面为核心,研究气相分子在固体表面的碰撞、吸附、解离与散射行为。通过构建精确气-固相互作用势能面,模拟分子平动、振动、转动能量在界面的传递与弛豫过程,揭示直接散射、前驱态吸附、热脱附及反应解离的微观机制。重点探究分子的散射角分布、能量传递与产物态布居等动力学行为。该理论为催化反应机理、材料表面改性、气相沉积与大气非均相过程提供精确的微观动力学依据与预测支撑。
1. Tianyi Zhang, Junhua Wang, Dongzheng Yang, Daiqian Xie, “Full-dimensional time independent quantum dynamics approach to rovibrationally inelastic scattering between triatomic and diatomic molecules: A case study for H2O + H2”, J. Chem. Theo. Comput., 21, 11365-11376 (2025)
2. Dongzheng Yang, Daiqian Xie, Hua Guo, “Stereodynamical Control of Cold Collisions of Polyatomic Molecules with Atoms”, J. Phys. Chem. Lett. , 13, 1777–1784 (2022)
3. Yu Liu, Ming-Guang Hu, Matthew A. Nichols, Dongzheng Yang, Daiqian Xie, Hua Guo, Kang-Kuen Ni, “Precision Test of Statistical Dynamics with State-to-state Ultracold Chemistry”, Nature , 593, 379–384 (2021)
4. Dongzheng Yang, Jing Huang, Xixi Hu, Hua Guo, Daiqian Xie, “Breakdown of Energy Transfer Gap Laws Revealed by Full-dimensional Quantum Scattering between HF Molecules”, Nat. Commun. , 10, 4658 (2019)
5. Dongzheng Yang, Xixi Hu, Dong H. Zhang, Daiqian Xie, “An improved coupled-states approximation including the nearest neighbor Coriolis couplings for diatom-diatom inelastic collision”, J. Chem. Phys., 148, 084101 (2018)
