Laboratory for Quantum Matter Research
Johan Chang


10 - Observation of collective charge excitations in a cuprate superconductor
Xunyang Hong, Yujie Yan, L. Martinelli, I. Biało, K. von Arx, J. Choi, Y. Sassa, S. Pyon, T. Takayama, H. Takagi, Zhenglu Li, M. Garcia-Fernandez, Ke-Jin Zhou, J. Chang, Qisi Wang
arXiv: 2503.04334 (2025)
9 - Anatomy of anomalous Hall effect due to magnetic fluctuations
Ola Kenji Forslund, Xiaoxiong Liu, Soohyeon Shin, Chun Lin, Masafumi Horio, Qisi Wang, Kevin Kramer, Saumya Mukherjee, Timur Kim, Cephise Cacho, Chennan Wang, Tian Shang, Victor Ukleev, Jonathan S. White, Pascal Puphal, Yasmine Sassa, Ekaterina Pomjakushina, Titus Neupert, Johan Chang
arXiv: 2502.11702 (2025)
8 - Dynamic Competition between Cooper-Pair and Spin-Density-Wave Condensation
B. Decrausaz, M. Pikulski, O. Ivashko, N. B. Christensen, J. Choi, L. Udby, Ch. Niedermayer, K. Lefmann, H. M. Rønnow, J. Mesot, J. Ollivier, T. Kurosawa, N. Momono, M. Oda, J. Chang, D. G. Mazzone
arXiv: 2501.17724 (2025)
7 - Strange metal from spin fluctuations in a cuprate superconductor
D. J. Campbell, M. Frachet, V. Oliviero, T. Kurosawa, N. Momono, M. Oda, J. Chang, D. Vignolles, C. Proust, D. LeBoeuf
arXiv: 2412.03720 (2024)
6 - Pressure induced transition from chiral charge order to time-reversal symmetry-breaking superconducting state in Nb-doped CsV3Sb5
J.N. Graham, S.S. Islam, V. Sazgari, Y. Li, H. Deng, G. Janka, Y. Zhong, O. Gerguri, P. Kral, A. Doll, I. Bialo, J. Chang, Z. Salman, A. Suter, T. Prokscha, Y. Yao, K. Okazaki, H. Luetkens, R. Khasanov, Z. Wang, J.-X. Yin, Z. Guguchia
arXiv: 2411.18744 (2024)
5 - Decoupled static and dynamical charge correlations in La2−xSrxCuO4
L. Martinelli, I. Biało, X. Hong, J. Oppliger, C. Lin, T. Schaller, J. Küspert, M. H. Fischer, T. Kurosawa, N. Momono, M. Oda, J. Choi, S. Agrestini, M. Garcia-Fernandez, K.-J. Zhou, Q. Wang, J. Chang
arXiv: 2406.15062 (2024)
4 - Charge orders with distinct magnetic response in a prototypical kagome superconductor LaRu3Si2
C. Mielke III, V. Sazgari, I. Plokhikh, S. Shin, H. Nakamura, J.N. Graham, J. Küspert, I. Bialo, G. Garbarino, D. Das, M. Medarde, M. Bartkowiak, S.S. Islam, R. Khasanov, H. Luetkens, M.Z. Hasan, E. Pomjakushina, J.-X. Yin, M.H. Fischer, J. Chang, T. Neupert, S. Nakatsuji, B. Wehinger, D.J. Gawryluk, Z. Guguchia
arXiv: 2402.16219 (2024)
3 - Resolving the Orbital Character of Low-energy Excitations in Mott Insulator with Intermediate Spin-orbit Coupling
K. von Arx, P. Rothenbühler, Q. Wang, J. Choi, M. Garcia-Fernandez, S. Agrestini, K.-J. Zhou, A. Vecchione, R. Fittipaldi, Y. Sassa, M. Cuoco, F. Forte, J. Chang
arXiv: 2312.04406 (2023)
2 - Searching for the signature of a pair density wave in YBa2Cu3O6.67 using high energy X-ray diffraction
E. Blackburn, O. Ivashko, E. Campillo, M. von Zimmermann, R. Liang, D. A. Bonn, W. N. Hardy, J. Chang, E. M. Forgan, S. M. Hayden
arXiv: 2310.18302 (2023)
1 - Bulk charge stripe order competing with superconductivity in La2-xSrxCuO4 (x=0.12)
N. B. Christensen, J. Chang, J. Larsen, M. Fujita, M. Oda, M. Ido, N. Momono, E. M. Forgan, A. T. Holmes, J. Mesot, M. Huecker, M. v. Zimmermann
arXiv: 1404.3192 (2014)