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Category: Previous Postdocs

Yuichi Ohnuma (大沼 悠一）

 

 

Position

Postdoctoral Fellow (2018 - 2019)

View Dr. Y. Ohnuma's Personal CV

 

 

Education

Ph.D (2011 - 2016)

Ph.D. in Physics, Tohoku University, Japan

B. S. (2007 - 2011)

B. S. in Physics, Tohoku University, Japan

 

 

Professional Experience

Postdoctoral Fellow, Advanced Science Research Center, Japan Atomic Energy Agency, 2016.04–2018.03

Postdoctoral Fellow, Kavli Institute for Theoretical Sciences, University of Chinese Academy of Sciences, 2018.04–2019.03

 

 

Research Activities

  • Spin Seebeck and spin Peltier effects
  • Spin pumping and modulation of FMR linewidth
  • Spin current noise
  • Spin Hall effect
  • Spin transport with spin vorticity coupling

 

 

Publications

M. Mamoru, Y. Ohnuma, T. Kato, and S. Maekawa

“Spin Current Noise of the Spin Seebeck Effect and Spin Pumping”

Physical Review Letters 120, 037201 (2018).

 

Y. Ohnuma, M. Mamoru, and S. Maekawa

“Theory of the spin Peltier effect”

Physical Review B 96, 134412 (2017).

 

M. Mamoru, Y. Ohnuma, and S. Maekawa

“Theory of spin hydrodynamic generation”

Physical Review B 96, 020401(R) (2017).

 

Y. Ohnuma, M. Mamoru, and S. Maekawa

“Spin transport in half-metallic ferromagnets”

Physical Review B 94, 184405 (2016).

 

S. Geprägs, A. Kehlberger, F. D. Coletta, Z. Qiu, E.-J. Guo, T. Schulz, C. Mix, S. Meyer, A. Kamra, M. Althammer, H. Huebl, G. Jakob, Y. Ohnuma, H. Adachi, J. Barker, S. Maekawa, G. E. W. Bauer, E. Saitoh, R. Gross, S. T. B. Goennenwein, and M. Kläui

“Origin of the spin Seebeck effect in compensated ferrimagnets”

Nature Communications 7, 10452 (2016).

 

Y. Ohnuma, H. Adachi, E. Saitoh, and S. Maekawa

“Magnon instability driven by heat current in magnetic bilayers”

Physical Review B 92, 224404 (2015).

 

Y. Ohnuma, H. Adachi, E. Saitoh, and S. Maekawa

“Enhanced dc spin pumping into a fluctuating ferromagnet near Tc”

Physical Review B 89, 174417 (2014).

 

Y. Ohnuma, H. Adachi, E. Saitoh, and S. Maekawa

“Spin Seebeck effect in antiferromagnets and compensated ferrimagnets”

Physical Review B 87, 014423 (2013).

 

 

Contact

Email: This email address is being protected from spambots. You need JavaScript enabled to view it.; This email address is being protected from spambots. You need JavaScript enabled to view it.

Office: Rm. 407, Building A, Institute of Physics, CAS, Haidian Dist., Beijing

 

 

 

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Category: Previous Postdocs

Cong-Cong Le （勒聪聪）

Cong Cong Le

 

 

 

 

Position 

Postdoctoral Scholar (2017 - 2019)

 

 

 

Education

Sep. 2012-Jul. 2017       Institute of Physics, CAS PhD Candidate for Condensed Matter Physics

Sep. 2008-Jul. 2012       Jiangxi Normal University, Nanchang, Jiangxi, China    B. Sc. in Physics

 

 

Research Activities

  • Study of the electronic structure of iron-based superconductors through first-principles calculation software, like the Vienna Ab initio simulation package (VASP) and WIEN2k.
  • Study of topological insulators (TIs) and semimetals by using band structure theory and group theory.

 

 

Awards

Dec. 2016    Director Scholarship honorable mention of Institute of Physics

Jun.  2016    Merit Student of University of Chinese Academy of Sciences

Dec. 2015    Director Scholarship Recognition Award of Institute of Physics

Dec. 2014    Director Scholarship Recognition Award of Institute of Physics

Sep. 2010 - Jul. 2011    professional second-class scholarship of Jiangxi Normal University

Sep. 2009 - Jul. 2010    professional first-class scholarship of Jiangxi Normal University

Sep. 2008 - Jul. 2009    professional third-class scholarship of Jiangxi Normal University

 

 

 

Publications

  1. Xianxin Wu, Congcong Le, Yi Liang, Shengshan Qin, Heng Fan, and Jiangping Hu, Effect of As-chain layers in CaFeAs2, Phys. Rev. B. 89, 205102 (2014)
  2. Dachun Gu, Xia Dai, Congcong Le, Liling Sun, QiWu, Bayrammurad Saparov, Jing Guo,Peiwen Gao, Shan Zhang, Yazhou Zhou, Chao Zhang, Shifeng Jin, Lun Xiong, Rui Li, Yanchun Li,Xiaodong Li, Jing Liu, Athena S. Sefat, Jiangping Hu and Zhongxian Zhao, Robust antiferromagnetism preventing superconductivity in pressurized (Ba0.61K0.39)Mn2Bi2, Scientific Reports. 07342(2014)
  3. Xianxin Wu, Shengshan Qin, Yi Liang, Congcong Le, Heng Fan, and Jiangping Hu, CaFeAs2: A staggered intercalation of quantum spin Hall and high-temperature superconductivity, Phys. Rev. B. 91, 081111(R) (2015)
  4. Run Yang, Congcong Le, Lei Zhang, Bing Xu, Wei Zhang, Kashif Nadeem, Hong Xiao, Jiangping Hu, and Xianggang Qiu, Formation of As-As bond and its effect on absence of superconductivity in the collapsed tetragonal phase of Ca0.86Pr0.14Fe2As2: An optical spectroscopy study, Phys. Rev. B. 91, 224507 (2015)
  5. Xianxin Wu, Fan Yang, Congcong Le, Heng Fan, and Jiangping Hu, Triplet pz-wave pairing in quasi-one-dimensional A2Cr3As3 superconductors (A = K,Rb,Cs), Phys. Rev. B. 92, 104511 (2015)
  6. Jiangping Hu, Congcong Le and Xianxin Wu, Predicting Unconventional High-Temperature Superconductors in Trigonal Bipyramidal Coordinations, Phys. Rev. X. 5. 041012(2015)
  7. WU Xian-Xin, LE Cong-Cong, YUAN Jing, FAN Heng, HU Jiang-Ping, Magnetism in Quasi-One-Dimensional A2Cr3As3 (A=K,Rb) Superconductors, CHIN. PHYS. LETT. 5 (2015) 057401
  8. Xianxin Wu, Xia Dai, Yi Liang, Congcong Le, Heng Fan, and Jiangping Hu, Density functional calculations of a staggered FeSe monolayer on a SrTiO3 (110) surface, Phys. Rev. B. 94, 045114 (2016)
  9. Xia Dai, Cong-Cong Le, Xian-Xin Wu, and Jiang-Ping Hu, Hybrid crystals of cuprates and iron-based superconductors, Chin. Phys. B. 7 (2016) 077402
  10. Xia Dai, Cong-Cong Le, Xian-Xin Wu, Sheng-Shan Qin, Zhi-Ping Lin, Jiang-Ping Hu, Topological Phase in Non-centrosymmetric Material NaSnBi, CHIN. PHYS. LETT. 12 (2016) 127301
  11. Congcong Le, Shengshan Qin, Xianxin Wu, Xia Dai, Peiyuan Fu, Jiangping Hu, Three-dimensional Critical Dirac semimetal in KMgBi, Phys. Rev. B.96, 115121 (2017)
  12. Jiangping Hu, Congcong Le, A possible new family of unconventional high temperature superconductors, Science Bulletin 62 (2017) 212-217 
  13. Zhiping Lin, Gang Wang, Congcong Le, Huaizhou Zhao, Ning Liu, Jiangping Hu, and Xiaolong Chen, Thermal conductivities in NaSnAs, NaSnP,and NaSn2As2: Effect of double lone-pair electrons, Phys. Rev. B 95, 165201(2017)
  14. Jinfeng Zeng,Shengshan Qin, Congcong Le, and Jiangping Hu, Magnetism and superconductivity in the layered hexagonal transition metal pnictides, Phys. Rev. B 96, 174506 (2017)
  15. Yinxiang Li, Xinloong Han, Shengshan Qin, Congcong Le, Qiang-Hua Wang, Jiangping Hu, Robust d-wave pairing symmetry in multi-orbital cobalt high temperature superconductors, Phys. Rev. B 96, 024506 (2017)
  16. Shengshan Qin, Congcong Le, Xianxin Wu, Jiangping Hu, Topological critical materials of ternary compounds, Journal of Physics and Chemistry of Solids 2017.12.006
  17. Congcong le, Shengshan Qin, Jiangping Hu, Electronic Physics and Possible Superconductivity in Layered Orthorhombic Cobalt Oxychalcogenides, Science Bulletin(2017), 62(8)563-571
  18. Shengshan Qin, Yinxiang Li, Qiang Zhang, Congcong Le, Jiangping Hu, Theoretical studies of superconductivity in doped BaCoSO, arXiv:1702.08304
  19. Congcong Le, Jinfeng Zeng, Guang-Han Cao, Jiangping Hu, A Possible Family of Ni-based High Temperature Superconductors, arXiv:1712.05962

 

 

Contact

Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Office: Rm. S401, Kavli ITS, UCAS (Map);

            Building A, IoP, CAS

 

 

 

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Category: Previous Postdocs

Jian-Jian Miao （苗舰舰）

 

Jian Jian Miao

 

 

Position

  Postdoctoral Scholar  (2017 - 2019) 

 

 

Education

Ph. D (2012 - 2017)

Doctor of Philosophy in Physics

Zhejiang Institute of Modern Physics, Zhejiang University, Hangzhou, P.R.China.

B.Sc. (2008 - 2012)

Bachelor of Science in Physics

Department of Physics, Zhejiang University, Hangzhou, P.R.China.

 

 

Research Interests

I am interested in theoretical condensed matter physics. My research mainly focus on quantum magnetism and superconductivity. I also study strongly correlated electron systems in condensed matter.

 

 

Publications

1. Jian-Jian Miao, Hui-Ke Jin, Fu-Chun Zhang, Yi Zhou, Instability of three-band Tomonaga-Luttinger liquid: renormalization group analysis and possible application to K2Cr3As3, Phys. Rev. B 94, 205129 (2016).

2. Jian-Jian Miao, Hui-Ke Jin, Fu-Chun Zhang, and Yi Zhou, Exact Solution to Interacting Kitaev Chain at Symmetric Point, Phys. Rev. Lett. 118, 267701 (2017).

3. Yucheng Wang, Jian-Jian Miao, Hui-Ke Jin, and Shu Chen, Characterization of topological phases of dimerized Kitaev chain via edge correlation functions, Phys. Rev. B 96, 205428 (2017).

 

 

Contact

Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Office: Rm S401, Kavli ITS, UCAS (map);

            Building A, IoP, CAS

 

 

 

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Category: Previous Postdocs

Yu Li (李宇)

YuLi

 

 

 

 

Position

        2019 - 2023 Postdoctoral Fellow

 

 

Education

        2008-2012, B.S.. Donghua University, Shanghai, China

        2012-2018, Ph. D., Institute of Physics, Chinese Academy of Sciences, Beijing, China

 

 

Professional Experience

05/2019-08/2019: Research Assistant, South University of Science and Technology, Shenzhen, China

09/2019-NOW: Postdoctoral Fellow, Kavli ITS, UCAS, Beijing, China

 

 

Research Interest

        Pairing symmetry and pairing mechanism in unconventional superconductivity

        Novel phenomena in strongly correlated systems (such as heavy fermions)

        Topological superconductivity

 

 

 

Publications

[1] Yu Li, Zhiqiang Wang, and Wen Huang, Anomalous Hall effect in chiral superconductors from impurity superlattices, arXiv:1909.08012 (2019).

[2] Yu Li, and Wen Huang, Possible ‘symmetry-imposed’ near-nodal two-dimensional p-wave pairing in Sr2RuO4, arXiv:1909.03141 (2019).

[3] Yu Li, Qianqian Wang, Yuanji Xu, Wenhui Xie, and Yi-feng Yang, Nearly-degenerate px+ipy and dx2-y2 pairing symmetry in the heavy fermion superconductor YbRh2Si2, Phys. Rev. B 100, 085132 (2019).

[4] Zhe Liu, Yu Li, and Yi-feng Yang, Possible nodeless s±-wave superconductivity in twisted bilayer graphene, Chin. Phys. B 28, 077103 (2019).

[5] Yu Li, Min Liu, Zhaoming Fu, Xiangrong Chen, Fan Yang, and Yi-feng Yang, Gap symmetry of heavy fermion superconductor CeCu2Si2 at ambient pressure, Phys. Rev. Lett. 120, 217001 (2018).

[6] Yu Li and Yi-feng Yang, A phenomenological theory of heavy fermion superconductivity in CeCoIn5, Chin. Sci. Bull. 62, 4068 (2017).

[7] Yi-feng Yang and Yu Li, Heavy-fermion superconductivity and competing orders, Acta Physica Sinica 64, 217401 (2015).

[8] Yi-feng Yang, Neng Xie, and Yu Li, Two-fluid theory for heavy fermion materials, Progress in Physics 35, 191 (2015).

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Category: Previous Postdocs

Shengshan Qin（秦盛山）

SSQ

 

 

 

Position

Postdoctoral Fellow

view Dr. Shengshan Qin's CV

 

 

Education

09/2007-07/2011  B.Sc in Physics, School of Physics and Technology, Wuhan University, China

09/2011-12/2017 Ph.D in Physics, Institute of Physics, Chinese Academy of Sciences, China.

                             Supervisor: Prof. Jiangping Hu.

 

 

Professional Experience

2018-2023  Postdoctoral Fellow in Kavli Institute for Theoretical Sciences, University of Chinese Academy of Sciences, China.

                   Supervisor: Prof. Fu-Chun Zhang and Prof. Jiangping Hu.

 

 

Research Interests

My research focuses on the theoretical study in condensed matter physics, including novel topological systems (topological insulators, semimetal and superconductors), and unconventional superconductivity.

 

 

Publications

[1] Congcong Le, Kun Jiang, Yinxiang Li, Shengshan Qin, Ziqiang Wang, Fuchun Zhang, Jiangping Hu, Electronic structure and superconductivity in unconventional cuprates Ba2CuO3+ù, arXiv:1909.12620.

[2] Yinxiang Li, Xianxin Wu, Yuhao Gu, Congcong Le, Shengshan Qin, Ronny Thomale, Jiangping Hu, Topological superconductivity in Ni-based transition-metal trichalcogenide superconductors, arXiv:1906.05999.

[3] Shengshan Qin, Lunhui Hu, Congcong Le, Jinfeng Zeng, Fu-chun Zhang, Chen Fang, Jiangping Hu, Quasi-1D topological nodal vortex line phase in doped superconducting 3D Dirac Semimetals, Phys. Rev. Lett. 123, 027003 (2019). doi:10.1103/PhysRevLett.123.027003

[4] Shengshan Qin, Lunhui Hu, Xianxin Wu, Xia Dai, Chen Fang, Fu-chun Zhang, Jiangping Hu, Topological Vortex Phase Transitions in Iron-Based Superconductors, Sci. Bull. 64, 1207 (2019). doi:10.1016/j.scib.2019.07.011

[5] Zhesen Yang, Shengshan Qin, Qiang Zhang, Chen Fang, Jiangping Hu, i-Josephson Junction as Topological Superconductor, Phys. Rev. B 98, 104515 (2018). doi:10.1103/PhysRevB.98.104515

[6] Congcong Le, Xianxin Wu ∗ , Shengshan Qin, Yinxiang Li, Ronny Thomale, Fuchun Zhang, Jiangping Hu, β-CuI: a Dirac semimetal without surface Fermi arcs , PNAS 14, 8311-8315 (2018). doi:10.1073/pnas.1803599115

[7] Shengshan Qin, Congcong Le, Xianxin Wu, Jiangping Hu, Topological critical materials of ternary compounds , Journal of Physics and Chemistry of Solids 128, 218-224 (2019). doi:10.1016/j.jpcs.2017.12.006

[8] Shengshan Qin, Yinxiang Li, Qiang Zhang, Congcong Le, Jiangping Hu, Theoretical studies of superconductivity in doped BaCoSO, Front. Phys. 13, 137502 (2018). doi:10.1007/s11467018-0745-7

[9] Jinfeng Zeng, Shengshan Qin, Congcong Le, Jiangping Hu, Magnetism and superconductivity in the layered hexagonal transition metal pnictides, Phys. Rev. B 96, 174506 (2017). doi:10.1103/PhysRevB.96.174506

[10] Yinxiang Li, Xinloong Han, Shengshan Qin, Congcong Le, Qiang-Hua Wang, Jiangping Hu, Robust d-wave pairing symmetry in multi-orbital cobalt high temperature superconductors, Phys. Rev. B 96, 024506 (2017). doi:10.1103/PhysRevB.96.024506

[11] Congcong le, Shengshan Qin, Jiangping Hu, Electronic Physics and Possible Superconductivity in Layered Orthorhombic Cobalt Oxychalcogenides, Science Bulletin 62, 563 (2017). doi:10.1016/j.scib.2017.03.023

[12] Congcong Le, Shengshan Qin, Xianxin Wu, Xia Dai, Peiyuan Fu, Jiangping Hu, Three-dimensional Critical Dirac semimetal in KMgBi, Phys. Rev. B 96, 115121 (2017). doi:10.1103/PhysRevB.96.

[13] Xia Dai, Congcong Le, Xianxin Wu, Shengshan Qin, Zhiping Lin, Jiangping Hu, Topological phase in non-centrosymmetric material NaSnBi , Chin. Phys. Lett. 33, 127301 (2016). doi:10.1088/0256-307X/33/12/127301

[14] X. X. Wu, F. Yang, S. S. Qin, H. Fan, J. P. Hu, Experimental consequences of p z -wave spin triplet superconductivity in A2Cr3As3 , arXiv:1507.07451 (2015).

[15] X. X. Wu, S. S. Qin, Y. Liang, H. Fan, J. P. Hu, Topological Characters in Fe(Te 1−x Se x ) thin films, Phys. Rev. B 93, 115129 (2016). doi:10.1103/PhysRevB.93.115129.

[16] X. X. Wu, S. S. Qin, Y. Liang, C. C. Le, H. Fan, J. P. Hu, CaFeAs 2 : a Staggered Intercalation of Quantum Spin Hall and High Temperature Superconductivity, Phys. Rev. B 91, 081111(R)(2015). doi:10.1103/PhysRevB.91.081111

[17] X. X. Wu, C. C. Le, Y. Liang, S. S. Qin, H. Fan, J. P. Hu, The effect of As-Chain layers in CaFeAs 2 , Phys. Rev. B 89, 205102 (2014). doi:10.1103/PhysRevB.89.205102

  1. Wen-Xin Ding