Home People Teaching Staff WANG Qisi

Education:

• PhD in Physics, Fudan University, China (2018)
• BS in Physics, Fudan University, China (2012)

Position:

• 2023-now, Assistant Professor, Department of Physics, The Chinese University of Hong Kong
• 2022-2023, Senior Scientist, Department of Physics, University of Zurich, Switzerland
• 2018-2022, Postdoctoral Fellow, Department of Physics, University of Zurich, Switzerland

Research Interest:

• Unconventional superconductivity, quantum magnetism and correlated electron physics
• X-ray and neutron scattering of elementary excitations and phase transitions in quantum matter
• Crystal growth of novel materials

Selected Recent Publications:

• Q. Wang, K. von Arx, D. G. Mazzone, S. Mustafi, M. Horio, J. Küspert, J. Choi, D. Bucher, H. Wo, J. Zhao, W. Zhang, T. C. Asmara, Y. Sassa, M. Månsson, N. B. Christensen, M. Janoschek, T. Kurosawa, N. Momono, M. Oda, M. H. Fischer, T. Schmitt, J. Chang, "Uniaxial pressure induced stripe order rotation in La1.88Sr0.12CuO4", Nature Communications 13, 1795 (2022).
• J. Choi, Q. Wang, S. Jöhr, N. B. Christensen, J. Küspert, D. Bucher, D. Biscette, M. H. Fischer, M. Hücker, T. Kurosawa, N. Momono, M. Oda, O. Ivashko, M. V. Zimmermann, M. Janoschek, J. Chang, "Unveiling unequivocal charge stripe order in a prototypical cuprate superconductor", Physical Review Letters 128, 207002 (2022).
• Q. Wang, K. von Arx, M. Horio, D. John Mukkattukavil, J. Küspert, Y. Sassa, T. Schmitt, A. Nag, S. Pyon, T. Takayama, H. Takagi, M. Garcia-Fernandez, K.-J. Zhou, J. Chang, "Charge order lock-in by electron-phonon coupling in La1.675Eu0.2Sr0.125CuO4", Science Advances 7, eabg7394 (2021).
• Q. Wang, M. Horio, K. von Arx, Y. Shen, D. John Mukkattukavil, Y. Sassa, O. Ivashko, C. E. Matt, S. Pyon, T. Takayama, H. Takagi, T. Kurosawa, N. Momono, M. Oda, T. Adachi, S. M. Haidar, Y. Koike, Y. Tseng, W. Zhang, J. Zhao, K. Kummer, M. Garcia-Fernandez, K.-J. Zhou, N. B. Christensen, H. M. Rønnow, T. Schmitt, J. Chang, "High-temperature charge-stripe correlations in La1.675Eu0.2Sr0.125CuO4", Physical Review Letters 124, 187002 (2020).
• H. Wo, Q. Wang, Y. Shen, X. Zhang, Y. Hao, Y. Feng, S. Shen, Z. He, B. Pan, W. Wang, K. Nakajima, S. Ohira-Kawamura, P. Steffens, M. Boehm, K. Schmalzl, T. R. Forrest, M. Matsuda, Y. Zhao, J. W. Lynn, Z. Yin, J. Zhao, "Coexistence of ferromagnetic and stripe-type antiferromagnetic spin fluctuations in YFe2Ge2", Physical Review Letters 122, 217003 (2019).
• Q. Wang, Y. Shen, B. Pan, Y. Hao, M. Ma, F. Zhou, P. Steffens, K. Schmalzl, T. R. Forrest, M. Abdel-Hafiez, X. Chen, D. A. Chareev, A. N. Vasiliev, P. Bourges, Y. Sidis, H. Cao, J. Zhao, "Strong interplay between stripe spin fluctuations, nematicity and superconductivity in FeSe", Nature Materials 15, 159 (2016).
• Q. Wang, Y. Shen, B. Pan, X. Zhang, K. Ikeuchi, K. Iida, A. D. Christianson, H. C. Walker, D. T. Adroja, M. Abdel-Hafiez, X. Chen, D. A. Chareev, A. N. Vasiliev, J. Zhao, "Magnetic ground state of FeSe", Nature Communications 7, 12182 (2016).
• Q. Wang, J. T. Park, Y. Feng, Y. Shen, Y. Hao, B. Pan, J.W. Lynn, A. Ivanov, S. Chi, M. Matsuda, H. Cao, R. J. Birgeneau, D. V. Efremov, J. Zhao, "Transition from sign-reversed to sign-preserved Cooper-pairing symmetry in sulfur-doped iron selenide superconductors", Physical Review Letters 116, 197004 (2016).

Open Position:

PhD student in x-ray scattering study of correlated electron systems and crystal growth.