徐长松

青年研究员

2016年清华大学物理系博士

电话：+86-21-31243291

Email: csxu@fudan.edu.cn

个人网站/Website：链接/Link

主要经历:
2007.8-2011.6   兰州大学物理学基地班学士

2011.8-2016.6   清华大学物理系博士

2016.8-2016.11 北京计算科学中心访问学者

2016.12-2021.11阿肯色大学物理系博士后

2021.11-至今    复旦大学物理系

教学与研究领域:
研究领域：计算凝聚态物理。主要采用和发展密度泛函理论和基于第一性原理的有效哈密顿量方法，研究铁性体系，如铁磁、铁电和多铁等体系的新奇相互作用和物理性质。近期研究内容涉及磁性拓扑缺陷（如斯格明子），量子自旋液体，磁电耦合和相互调控，以及二维材料等。

Changsong Xu

Associate Professor

Ph.D (2016), Department of Physics, Tsinghua University

Research Interests:
Computational condensed matter physics; Density functional theory; first-principles-based effective Hamiltonian; Micromagnetic simulations; Terahertz fields; Topological defects; Spintronics; Multiferroics; Quantum spin liquids; 2D materials.

Selected Publications:
1) Oliver Paull^#, Changsong Xu^#, Xuan Cheng, Yangyang Zhang, Bin Xu, Kyle Kelley, Rama K. Vasudevan, L. Bellaiche, Valanoor Nagarajan, Daniel Sando, Anisotropic epitaxial stabilization of a low-symmetry ferroelectric with enhanced electromechanical response，Nat. Mater.published online (2021).

2) Temuujin Bayaraa, Changsong Xu*, L. Bellaiche, Magnetization compensation temperature and frustration-induced topological defects in ferrimagnetic antiperovskite Mn₄N, Phys. Rev. Lett. 127, 217204 (2021).

3) Changsong Xu^#, Junsheng Feng^#, Mitsuaki Kawamura, Youhei Yamaji, Yousra Nahas, Sergei Prokhorenko, Yang Qi, Hongjun Xiang, L. Bellaiche, Possible Kitaev quantum spin liquid state in 2D materials with S=3/2, Phys. Rev. Lett. 124, 087205 (2020) (Editors' Suggestion & On the Cover & Web of Science Highly Cited).

4) Changsong Xu, Peng Chen, Hengxin Tan, Yurong Yang, Hongjun Xiang, L. Bellaiche, Electric-field switching of magnetic topological charge in type-I multiferroics, Phys. Rev. Lett. 125, 037203 (2020).

5) Temuujin Bayaraa, Changsong Xu*, Yali Yang, Hongjun Xiang, L. Bellaiche, Magnetic-domain-wall-induced electrical polarization in rare-earth iron garnet systems: A first-principles study, Phys. Rev. Lett. 125, 067602 (2020).

6) Changsong Xu^#, Junsheng Feng^#, Hongjun Xiang, L. Bellaiche, Interplay between Kitaev interaction and single ion anisotropy in ferromagnetic CrI₃ and CrGeTe₃ monolayers, npj Computational Materials 4, 57 (2018).