杨乐仙 - 清华大学

个人简介

教育背景 2002/09-2006/07 复旦大学物理系学士 2006/09-2011/06 复旦大学物理系博士（导师：封东来教授）工作经历 2011/10-2014/06 德国基尔大学博士后 2014/07-2016/07 清华大学物理系博士后（合作导师：陈宇林教授） 2016/09-2018/12 清华大学物理系助理教授 2019/01-今清华大学物理系副教授奖励、荣誉和学术兼职 2011-2012 德国洪堡学者 2014-2016 清华大学物理系彭桓武奖学金 2015 国家自然科学二等奖 2016 清华大学优秀博士后 2019,2022 清华大学物理系优秀教学奖 2022 清华大学物理系金锝科研奖励

研究领域

主要从事凝聚态物理实验研究，主要关注量子材料新奇物性的研究，利用（时间、空间及自旋分辨的）角分辨光电子能谱在微小空间和超快时间尺度上研究固体材料的电子结构及物理性质。目前研究方向： 1. 关联电子体系，非常规超导材料的电子机构； 2. 拓扑量子材料（拓扑绝缘体、拓扑半金属、拓扑超导体等）的电子结构、自旋结构及其动力学过程； 3. 新型二维材料，异质结等。

近期论文

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J. S. Zhou, R. Z. Xu, X. Q. Yu, F. J. Cheng, W. X. Zhao, X. Du, S. Z. Wang, Q. Q. Zhang, X. Gu, S. M. He, Y. D. Li, M. Q. Ren, X. C. Ma, Q. K. Xue, Y. L. Chen, C. L. Song, and L. X. Yang* Evidence for Band Renormalizations in Strong-Coupling Superconducting Alkali-Fulleride Films. Physical Review Letters, 130, 216004 (2023). Q. Q. Zhang, Y. Shi, K. Y. Zhai, W. X. Zhao, X. Du, J. S. Zhou, X. Gu, R. Z. Xu, Y. D. Li, Y. F. Guo, Z. K. Liu, C. Chen, S.-K. Mo, T. K. Kim, C. Cacho, J. W. Yu, W. Li, Y. L. Chen*, Jiun-Haw Chu*, and L. X. Yang* Thermal hysteretic behavior and negative magnetoresistance in the charge density wave material EuTe4. Physical Review B, 107, 115141 (2023). Lixuan Xu, Yiwei Li, Yuqiang Fang, Huijun Zheng, Wujun Shi, Cheng Chen, Ding Pei, Donghui Lu, Makoto Hashimoto, Meixiao Wang, Lexian Yang, Xiao Feng, Haijun Zhang, Fuqiang Huang, Qikun Xue, Ke He, Zhongkai Liu, Yulin Chen Topology hierarchy of transition metal dichalcogenides built from quantum spin Hall layers. Advanced Materials, 35, 2300277 (2023). Haifeng Yang, Jingjing Gao, Yingying Cao, Yuanji Xu, Aiji Liang, Xiang Xu, Yujie Chen, Shuai Liu, Kui Huang, Lixuan Xu, Chengwei Wang, Shengtao Cui, Meixiao Wang, Lexian Yang, Xuan Luo, Yuping Sun, Yi-feng Yang, Zhongkai Liu, Yulin Chen. Observation of Mott instability at the valence transition of f-electron system. National Science Review, nwad035 (2023). Ke Zhang, Guo Chen, Shaohua Zhou, Zi Yuan, Xu Gu, Duanliang Zhou, Yuan Wang, Xinyu Gao, Yucheng Ma, Runzhe Xu, Zaiqiao Bai, Peng Liu, Lexian Yang, Shuyun Zhou, Shoushan Fan and Kaili Jiang. Carbon nanotube electron blackbody and its radiation spectra. PNAS, 120, e2209670120 (2023). R. Z. Xu, X. Gu, W. X. Zhao, J. S. Zhou, Q. Q. Zhang, X. Du, Y. D. Li, Y. H. Mao, D. Zhao, K. Huang, C. F. Zhang, F. Wang, Z. K. Liu, Y. L. Chen*, and L. X. Yang* Development of a laser-based angle-resolved-photoemission spectrometer with sub-micrometer spatial resolution and high-efficiency spin detection. Review of Scientific Instruments, 94, 023903 (2023). X. Du, L. Kang, Y. Y. Lv, J. S. Zhou, X. Gu, R. Z. Xu, Q. Q. Zhang, Z. X. Yin, W. X. Zhao, Y. D. Li, S. M. He, D. Pei, Y. B. Chen, M. X. Wang, Z. K. Liu, Y. L. Chen*, and L. X. Yang* Crossed Luttinger Liquid Hidden in a Quasi-two-dimensional Material η-Mo4O11. Nature Physics, 19, 40 (2023). Yiwei Li, Shihao Zhang, Fanqiang Chen, Liyang Wei, Zonglin Zhang, Hanbo Xiao, Han Gao, Moyu Chen, Shijun Liang, Ding Pei, Lixuan Xu, Kenji Watanabe, Takashi Taniguchi, L. X. Yang, Feng Miao, Jianpeng Liu, Bin Cheng, Meixiao Wang, Yulin Chen, and Zhongkai Liu Observation of Coexisting Dirac Bands and Moiré Flat Bands in Magic-Angle Twisted Trilayer Graphene. Advanced Materials, 34, 2205996 (2022). Na Qin, Cheng Chen, Shiqiao Du, Xian Du, Xin Zhang, Zhongxu Yin, Jingsong Zhou, Runzhe Xu, Xu Gu, Qinqin Zhang, Wenxuan Zhao, Yidian Li, Sung-Kwan Mo, Zhongkai Liu, Shilei Zhang, Yanfeng Guo, Peizhe Tang, Yulin Chen*, and L. X. Yang* Persistent exchange splitting in the chiral helimagnet Cr1/3NbS2. Physical Review B, 106, 035129 (2022). Runzhe Xu, Yunhe Bai, Jingsong Zhou, Jiaheng Li, Xu Gu, Na Qin, Zhongxu Yin, Xian Du, Qinqin Zhang, Wenxuan Zhao, Yidian Li, Yang Wu, Cui Ding, Lili Wang, Aiji Liang, Zhongkai Liu, Yong Xu, Xiao Feng, Ke He, Yulin Chen*, and L. X. Yang* Evolution of the Electronic Structure of Ultrathin MnBi2Te4 Films. Nano Letters, 22, 6320-6327 (2022). Z. X. Yin, X. Du, S. Zhang, C. Chen, D. Pei, J. S. Zhou, X. Gu, R. Z. Xu, Q. Q. Zhang, W. X. Zhao, Y. D. Li, Y. F. Xu, A. Bernevig, Z. K. Liu, E. K. Liu, Y. L. Chen, and L. X. Yang* Electronic structure of antiferromagnetic Dirac semimetal candidate GdIn3. Physical Review Materials, 6, 084203 (2022). Z. X. Yin, X. Du, W. Z. Cao, J. Jiang, C. Chen, S. R. Duan, J. S. Zhou, X. Gu, R. Z. Xu, Q. Q. Zhang, W. X. Zhao, Y. D. Li, Yi-feng Yang, H. F. Yang, A. J. Liang, Z. K. Liu, H. Yao, Y. P. Qi, Y. L. Chen*, and L. X. Yang* Hybridization and Correlation between f- and d-orbital electrons in a valence fluctuating compound EuNi2P2. Physical Review B, 105, 245106 (2022). Aiji Liang, Cheng Chen, Huijun Zheng, Wei Xia, Kui Huang, Liyang Wei, Haifeng Yang, Yujie Chen, Xin Zhang, Xuguang Xu, Meixiao Wang, Yanfeng Guo, Lexian Yang, Zhongkai Liu, Yulin Chen Approaching a Minimal Topological Electronic Structure in Antiferromagnetic Topological Insulator MnBi2Te4 via Surface Modification. Nano Letters, 22, 4307-4314 (2022). X. Gu, C. Chen, W. S. Wei, L. L. Gao, J. Y. Liu, X. Du, D. Pei, J. S. Zhou, R. Z. Xu, Z. X. Yin, W. X. Zhao, Y. D. Li, C. Jozwiak, A. Bostwick, E. Rotenberg, D. Backes, L. S. I. Veiga, S. Dhesi, T. Hesjedal, G. van der Laan, H. F. Du, W. J. Jiang, Y. P. Qi, G. Li, W. J. Shi, Z. K. Liu, Y.L. Chen*, and L. X. Yang* Robust kagome electronic structure in the topological quantum magnets XMn6Sn6 (X = Dy,Tb, Gd,Y). Physical Review B, 105, 155108 (2022). K. Huang, Z. X. Li, D. P. Guo, H. F. Yang, Y. W. Li, A. J. Liang, F. Wu, L. X. Xu, L. X. Yang, W. Ji, Y. F. Guo, Y.L. Chen and Z. K. Liu Measurement of electronic structure in van der Waals ferromagnet Fe5–xGeTe2. Chinese Physics B, 31, 5 (2022). Jing Zhang, Yangyang Lv, Xiaolong Feng, Aiji Liang, Wei Xia, Sung-Kwan Mo, Cheng Chen, Jiamin Xue, Shengyuan A. Yang, Lexian Yang, Yanfeng Guo, Yanbin Chen, Yulin Chen, Zhongkai Liu Observation of Dimension-Crossover of a Tunable 1D Dirac Fermion in Topological Semimetal NbSixTe2. npj Quantum Materials, 7, 54 (2022). Na Qin, Xian Du, Yangyang Lv, Lu Kang, Zhongxu Yin, Jingsong Zhou, Xu Gu, Qinqin Zhang, Runzhe Xu, Wenxuan Zhao, Yidian Li, Shuhua Yao, Yanfeng Chen, Zhongkai Liu, Lexian Yang and Yulin Chen Electronic structure and spin-orbit coupling in ternary transition metal chalcogenides Cu2TlX2 (X = Se, Te). Chinese Physics B, 31, 037101 (2022). Yun Cheng, Alfred Zong, Jun Li, Wei Xia, Shaofeng Duan, Wenxuan Zhao, Yidian Li, Fengfeng Qi, Jun Wu, Lingrong Zhao, Pengfei Zhu, Xiao Zou, Tao Jiang, Yanfeng Guo, Lexian Yang, Dong Qian, Wentao Zhang, Anshul Kogar, Michael W. Zuerch, Dao Xiang & Jie Zhang Light-induced dimension crossover dictated by excitonic correlations. Nature Communications, 13:963 (2022). L. Kang, X. Du, J. S. Zhou, X. Gu, Y. J. Chen, R. Z. Xu, Q. Q. Zhang, S. C. Sun, Z. X. Yin, Y. W. Li, D. Pei, J. Zhang, R. K. Gu, Z. G. Wang, Z. K. Liu, R. Xiong, J. Shi, Y. Zhang, Y. L. Chen* & L. X. Yang* Band-selective Holstein polaron in Luttinger liquid material A0.3MoO3 (A = K, Rb). Nature Communications, 12: 6183 (2021). Y. W. Li, H. J. Zheng, Y. Q. Fang, D. Q. Zhang, Y. J. Chen, C. Chen, A. J. Liang, W. J. Shi, D. Pei, L. X. Xu, S. Liu, J. Pan, D. H. Lu, M. Hashimoto, A. Barinov, S. W. Jung, C. Cacho, M. X. Wang, Y. He, L. Fu, H. J. Zhang*, F. Q. Huang*, L. X. Yang*, Z. K. Liu*, and Y. L. Chen* Observation of topological superconductivity in a stoichiometric transition metal dichalcogenide 2M-WS2. Nature Communications, 12: 2874 (2021). Wujun Shi, Benjamin J. Wieder, H. L. Meyerheim, Yan Sun, Yang Zhang, Yiwei Li, Lei Shen, Yanpeng Qi, Lexian Yang, Jagannath Jena, Peter Werner, Klaus Koepernik, Stuart Parkin, Yulin Chen, Claudia Felser, B. Andrei Bernevig and Zhijun Wang A Charge-Density-Wave Weyl Semimetal. Nature Physics, 17, 381 (2021). Yujie Chen, Juan Jiang, Haifeng Yang, Pavel Dudin, Alexey Barinov, Zhongkai Liu, Haihu Wen, Lexian Yang* & Yulin Chen* Visualization of the electronic phase separation in superconducting KxFe2−ySe2. Nano Reserach, 14, 823 (2021). D. Pei, Y.-Y. Lv, Y. Y. Y. Xia, Y. W. Li, J. Y. Liu, N. B. M. Schröter, C. Cacho, Z. K. Liu, L. X. Yang, G. Li, Y. B. Chen, and Y. L. Chen Electronic structure of a thermoelectric material: BiCuSO. Physical Review B 103, 245121 (2021). Menghan Liao, Heng Wang, Yuying Zhu, Runan Shang, Mohsin Rafique, Lexian Yang, Hao Zhang, Ding Zhang, Qi-Kun Xue Coexistence of resistance oscillations and the anomalous metal phase in a lithium intercalated TiSe2 superconductor. Nature communications 12:5342 (2021). L. X. Yang*, G. Rohde, K. Hanff, A. Stange, R. Xiong, J. Shi, M. Bauer, and K. Rossnagel Bypassing the structural bottleneck in the ultrafast melting of electronic order. Physical Review Letter 125, 266402 (2020). Shucui Sun, Yiwei Li, Yujie Chen, Xiang Xu, Lu Kang, Jingsong Zhou, Wei Xia, Shuai Liu, Meixiao Wang, Juan Jiang, Aiji Liang, Ding Pei, Kunpeng Zhao, Pengfei Qi, Xun Shi, Lidong Chen, Yanfeng Guo, Zhengguo Wang, Yan Zhang, Zhongkai Liu, Lexian Yang*, Yulin Chen* Electronic origin for the enhanced thermoelectric efficiency of Cu2Se. Science Bulletin 65, 1888 (2020). X. Xu, Y. W. Li, S. R. Duan, S. L. Zhang, Y. J. Chen, L. Kang, A. J. Liang, C. Chen, W. Xia, Y. Xu, P. Malinowski, X. D. Xu, J.-H. Chu, G. Li, Y. F. Guo, Z. K. Liu, L. X. Yang*, and Y. L. Chen Signature for non-Stoner ferromagnetism in the van der Waals ferromagnet Fe3GeTe2. Physical Review B 101, 201104(R) (2020). Yujie Chen, Xu Gu, Yiwei Li, Xian Du, Lexian Yang*, and Yulin Chen* Recent advances in topological quantum materials by angle-resolved photoemission spectroscopy. Matter, 3, 1114 (2020). T Zhang, G Li, S C Sun, N Qin, L Kang, S H Yao, H M Weng, S K Mo, L Li, Z K Liu, L X Yang and Y L Chen Electronic structure of correlated topological insulator candidate YbB6 studied by photoemission and quantum oscillation. Chinese Physics B 29, 017304 (2020). Y. J. Chen, L. X. Xu, J. H. Li, Y. W. Li, C. F. Zhang, H. Li, Y. Wu, A. J. Liang, C. Chen, S. W. Jung, C. Cacho, H. Y. Wang, Y. H. Mao, S. Liu, M. X. Wang, Y. F. Guo, Y. Xu, Z. K. Liu*, L. X. Yang*, and Y. L. Chen* Topological Electronic Structure and Its Temperature Evolution in Antiferromagnetic Topological Insulator MnBi2Te4. Physical Review X 9, 041040 (2019). H. F. Yang#, L. X. Yang#, Z. K. Liu#, Y. Sun#, C. Chen, H. Peng, M. Schmidt, D. Prabhakaran, B. A. Bernevig, C. Felser, B. H. Yan and Y. L. Chen Topological Lifshitz Transitions and Fermi Arc Manipulation in Weyl Semimetal NbAs. Nature Communications 10:3478 (2019). X. Xu, J. Jiang, W. J. Shi, Vicky Süß, C. Shekhar, S. C. Sun, Y. J. Chen, S.-K. Mo, C. Felser, B. H. Yan, H. F. Yang, Z. K. Liu, Y. Sun, L. X. Yang*, and Y. L. Chen* Strong spin-orbit coupling and Dirac nodal lines in the three-dimensional electronic structure of metallic rutile IrO2. Physical Review B 99, 195106 (2019). D. F. Liu, A. J. Liang, E. K. Liu, Q. N. Xu, Y. W. Li, C. Chen, D. Pei, W. J. Shi, S. K. Mo, P. Dudin, T. Kim, C. Cacho, G. Li, Y. Sun, L. X. Yang, Z. K. Liu, S. S. P. Parkin, C. Felser, Y. L. Chen Magnetic Weyl semimetal phase in a Kagomé crystal. Science 365, 1282 (2019). Yan Liang, Yujie Chen, Yuanwei Sun, Shipu Xu, Jinxiong Wu, Congwei Tan, Xiaofeng Xu, Hongtao Yuan, Lexian Yang, Yulin Chen, Peng Gao, Jiandong Guo, and Hailin Peng Molecular Beam Epitaxy and Electronic Structure of Atomically Thin Oxyselenide Films. Advanced Materials 2019, 1901964 (2019). J. Jiang, NBM Schröter, S-C Wu, N. Kumar, C. Shekhar, H. Peng, X. Xu, C. Chen, H. F. Yang, C-C Hwang, S-K Mo, C. Felser, B. H. Yan, Z. K. Liu, L. X. Yang, Y. L. Chen Observation of topological surface states and strong electron/hole imbalance in extreme magnetoresistance compound LaBi. Physical Review Materials 2, 024201 (2018). L Shen, C Liu, FW Zheng, X Xu, YJ Chen, SC Sun, L Kang, ZK Liu, QK Xue, LL Wang, YL Chen, LX Yang Evolution of electronic structure and electron-phonon coupling in ultrathin tetragonal CoSe films. Physical Review Materials 2, 114005 (2018). H. F. Yang, C. Chen, Huan Wang, Z. K. Liu, T. Zhang, Han Peng, NBM Schröter, Sandy Adhitia Ekahana, J. Jiang, L. X. Yang, V. Kandyba, A. Barinov, C. Y. Chen, J. Avila, M. C. Asensio, H. L. Peng, Z. F. Liu, Y. L. Chen Single crystalline electronic structure and growth mechanism of aligned square graphene sheets. APL Materials 6, 036107 (2018). Y. W. Li, J. Jiang, H. F. Yang, D. Prabhakaran, Z. K. Liu, L. X. Yang* and Y. L. Chen* Folded superstructure and degeneracy-enhanced band gap in the weak-coupling charge density wave system. Physical Review B 97, 115118 (2018). Qihang Zhang, Zhongkai Liu, Yan Sun, Haifeng Yang, Juan Jiang, Sung-Kwan Mo, Zahid Hussain, Xiaofeng Qian, Liang Fu, Shuhua Yao, Minghui Lu, Claudia Felser, Binghai Yan, Yulin Chen and Lexian Yang* Lifshitz Transitions Induced by Temperature and Surface Doping in Type-II Weyl Semimetal Candidate Td-WTe2. Physica Status Solidi, RRL 11, 1700209 (2017) (cover). J. Jiang, Z. K. Liu, Y. Sun, H. F. Yang, R. Rajamathi, Y. P. Qi, L. X. Yang, C. Chen, H. Peng, C.-C. Hwang, S. Z. Sun, S.-K. Mo, I. Vobornik, J. Fujii, S. S. P. Parkin, C. Felser, B. H. Yan, Y. L. Chen Signature of type-II Weyl semimetal phase in MoTe2. Nature Communications 8, 13973 (2017). L. Shen, M. X. Wang, S. C. Sun, J. Jiang, X. Xu, T. Zhang, Q. H. Zhang, S. H. Yao, M. H. Lu, Y. F. Chen, C. Felser, B. H. Yan, Z. K. Liu, L. X. Yang and Y. L. Chen Spectroscopic evidence for the gapless electronic structure in bulk ZrTe5. J. Electron Spectrosc. 219, 45 (2017). Yiwei Li, Yunyouyou Xia, Sandy Adhitia Ekahana, Nitesh Kumar, Juan Jiang, Lexian Yang, Cheng Chen, Chaoxing Liu, Binghai Yan, Claudia Felser, Gang Li, Zhongkai Liu, Yulin Chen Topological origin of the type-II Dirac fermions in PtSe2. Physical Review Materials 1, 074202 (2017). I Avigo, S Thirupathaiah, EDL Rienks, L Rettig, A Charnukha, M Ligges, R Cortes, J Nayak, Hirale S Jeevan, T Wolf, Y Huang, S Wurmehl, MI Sturza, Philipp Gegenwart, MS Golden, LX Yang, K Rossnagel, M Bauer, B Büchner, M Vojta, Martin Wolf, C Felser, J Fink, U Bovensiepen Electronic structure and ultrafast dynamics of FeAs‐based superconductors by angle‐and time‐resolved photoemission spectroscopy. Physica Status Solidi (B) 254, 1600382 (2017). Z. K. Liu#, L. X. Yang#, Y. Sun, T. Zhang, H. Peng, H. F. Yang, C. Chen, Y. Zhang, Y. F. Guo, D. Prabhakaran, M. Schmidt, Z. Hussain, S.-K. Mo, C. Felser, B. Yan & Y. L. Chen Evolution of the Fermi surface of Weyl semimetals in the transition metal pnictide family. Nature Materials 15, 27 (2016). Zhongkai Liu, Lexian Yang, Shu-Chun Wu, Chandra Shekhar, Juan Jiang, Haifeng Yang, Yi Zhang, Sung-Kwan Mo, Zahid Hussain, Binghai Yan, Claudia Felser, Yulin Chen Observation of unusual topological surface states in half-Heusler compounds LnPtBi (Ln=Lu, Y). Nature Communications 7, 12924 (2016). P Hein, A Stange, K Hanff, LX Yang, G Rohde, K Rossnagel, M Bauer Momentum-resolved hot electron dynamics at the 2 H− MoS2 surface. Physical Review B 94, 205406 (2016). G Rohde, A Hendel, A Stange, K Hanff, LP Oloff, LX Yang, K Rossnagel, and M. Bauer Time-resolved ARPES with sub-15 fs temporal and near Fourier-limited spectral resolution. Review of Scientific Instruments 87, 103102 (2016). L. X. Yang, Z.K. Liu, Y. Sun, H. Peng, H. F. Yang, T. Zhang, B. Zhou, Y. Zhang, Y. F. Guo, M. Rahn, D. Prabhakaran, Z. Hussain, S-K Mo, C. Felser, B. Yan, Y. L. Chen Weyl semimetal phase in the non-centrosymmetric compound TaAs. Nature physics 11, 728 (2015). A. Stange, C. Sohrt, L. X. Yang, G. Rohde, K. Janssen, P. Hein, L.-P. Oloff, K. Hanff, K. Rossnagel, and M. Bauer Hot electron cooling in graphite: Supercollision versus hot phonon decay Physical Review B 92, 184303 (2015).