Abstract
The quantum anomalous Hall effect is characterized by a quantized Hall resistance with a vanishing longitudinal resistance. Many experiments reported the quantization of the Hall resistance, which is always accompanied by a non-vanishing longitudinal resistance that is several kΩ. Meanwhile, the non-vanishing longitudinal resistance exhibits a universal exponential decay with the increase in magnetic field. We propose that the coupling of chiral edge states, which has not been properly evaluated in the previous theories, can give rise to the non-vanishing longitudinal resistance. The coupling between the chiral edges states along the opposite boundaries can be assisted by magnetic domains or defects inside the sample bulk, which has been already identified in recent experiments. Our theory provides a potential mechanism to understand the experimental result in both magnetic topological insulator and moiré superlattice systems.
Similar content being viewed by others
References
C. Z. Chang, J. Zhang, X. Feng, J. Shen, Z. Zhang, M. Guo, K. Li, Y. Ou, P. Wei, L. L. Wang, Z. Q. Ji, Y. Feng, S. Ji, X. Chen, J. Jia, X. Dai, Z. Fang, S. C. Zhang, K. He, Y. Wang, L. Lu, X. C. Ma, and Q. K. Xue, Science 340, 167 (2013).
N. Nagaosa, J. Sinova, S. Onoda, A. H. MacDonald, and N. P. Ong, Rev. Mod. Phys. 82, 1539 (2010).
R. Yu, W. Zhang, H. J. Zhang, S. C. Zhang, X. Dai, and Z. Fang, Science 329, 61 (2010).
C. X. Liu, S. C. Zhang, and X. L. Qi, Annu. Rev. Condens. Matter Phys. 7, 301 (2016).
C. Z. Chang, C. X. Liu, and A. H. MacDonald, Rev. Mod. Phys. 95, 011002 (2023).
H. Chi, and J. S. Moodera, APL Mater. 10, 090903 (2022).
W. B. Dai, H. Li, D. H. Xu, C. Z. Chen, and X. C. Xie, Phys. Rev. B 106, 245425 (2022).
T. Devakul, and L. Fu, Phys. Rev. X 12, 021031 (2022).
J. Henk, M. Flieger, I. V. Maznichenko, I. Mertig, A. Ernst, S. V. Eremeev, and E. V. Chulkov, Phys. Rev. Lett. 109, 076801 (2012).
H. Jiang, Z. Qiao, H. Liu, and Q. Niu, Phys. Rev. B 85, 045445 (2012).
K. Jiang, S. Zhou, X. Dai, and Z. Wang, Phys. Rev. Lett. 120, 157205 (2018).
J. Jiang, D. Xiao, F. Wang, J. H. Shin, D. Andreoli, J. Zhang, R. Xiao, Y. F. Zhao, M. Kayyalha, L. Zhang, K. Wang, J. Zang, C. Liu, N. Samarth, M. H. W. Chan, and C. Z. Chang, Nat. Mater. 19, 732 (2020).
M. Kawamura, M. Mogi, R. Yoshimi, T. Morimoto, K. S. Takahashi, A. Tsukazaki, N. Nagaosa, M. Kawasaki, and Y. Tokura, Nat. Phys. 19, 333 (2023).
Y. H. Li, and R. Cheng, Phys. Rev. Lett. 126, 026601 (2021).
Z. Li, Y. Han, and Z. Qiao, Phys. Rev. Lett. 129, 036801 (2022).
S. Li, T. Liu, C. Liu, Y. Wang, H. Z. Lu, and X. C. Xie, Natl. Sci. Rev. nwac296 (2023).
X. Liu, H. C. Hsu, and C. X. Liu, Phys. Rev. Lett. 111, 086802 (2013).
F. Qin, C. H. Lee, and R. Chen, Phys. Rev. B 106, 235405 (2022).
Y. Okazaki, T. Oe, M. Kawamura, R. Yoshimi, S. Nakamura, S. Takada, M. Mogi, K. S. Takahashi, A. Tsukazaki, M. Kawasaki, Y. Tokura, and N. H. Kaneko, Nat. Phys. 18, 25 (2022).
H. Polshyn, J. Zhu, M. A. Kumar, Y. Zhang, F. Yang, C. L. Tschirhart, M. Serlin, K. Watanabe, T. Taniguchi, A. H. MacDonald, and A. F. Young, Nature 588, 66 (2020).
S. Qi, Z. Qiao, X. Deng, E. D. Cubuk, H. Chen, W. Zhu, E. Kaxiras, S. B. Zhang, X. Xu, and Z. Zhang, Phys. Rev. Lett. 117, 056804 (2016).
J. X. Qiu, C. Tzschaschel, J. Ahn, A. Gao, H. Li, X. Y. Zhang, B. Ghosh, C. Hu, Y. X. Wang, Y. F. Liu, D. Bérubé, T. Dinh, Z. Gong, S. W. Lien, S. C. Ho, B. Singh, K. Watanabe, T. Taniguchi, D. C. Bell, H. Z. Lu, A. Bansil, H. Lin, T. R. Chang, B. B. Zhou, Q. Ma, A. Vishwanath, N. Ni, and S. Y. Xu, Nat. Mater. 22, 583 (2023).
J. Wang, B. Lian, H. Zhang, Y. Xu, and S. C. Zhang, Phys. Rev. Lett. 111, 136801 (2013).
J. Wang, B. Lian, and S. C. Zhang, Phys. Rev. Lett. 115, 036805 (2015).
S. W. Wang, D. Xiao, Z. Dou, M. Cao, Y. F. Zhao, N. Samarth, C. Z. Chang, M. R. Connolly, and C. G. Smith, Phys. Rev. Lett. 125, 126801 (2020).
P. Wang, J. Ge, J. Li, Y. Liu, Y. Xu, and J. Wang, Innovation 2, 100098 (2021).
Y. Wang, X. M. Ma, Z. Hao, Y. Cai, H. Rong, F. Zhang, W. Chen, C. Zhang, J. Lin, Y. Zhao, C. Liu, Q. Liu, and C. Chen, Natl. Sci. Rev. nwad066 (2023).
J. Wu, J. Liu, and X. J. Liu, Phys. Rev. Lett. 113, 136403 (2014).
D. Xiao, J. Jiang, J. H. Shin, W. Wang, F. Wang, Y. F. Zhao, C. Liu, W. Wu, M. H. W. Chan, N. Samarth, and C. Z. Chang, Phys. Rev. Lett. 120, 056801 (2018).
R. Chen, H. P. Sun, and B. Zhou, Phys. Rev. B 107, 125304 (2023).
Y. F. Zhao, R. Zhang, R. Mei, L. J. Zhou, H. Yi, Y. Q. Zhang, J. Yu, R. Xiao, K. Wang, N. Samarth, M. H. W. Chan, C. X. Liu, and C. Z. Chang, Nature 588, 419 (2020).
Y. F. Zhao, R. Zhang, L. J. Zhou, R. Mei, Z. J. Yan, M. H. W. Chan, C. X. Liu, and C. Z. Chang, Phys. Rev. Lett. 128, 216801 (2022).
C. Z. Chen, J. Qi, D. H. Xu, and X. C. Xie, Sci. China-Phys. Mech. Astron. 64, 127211 (2021).
J. Qi, H. Liu, C. Z. Chen, H. Jiang, and X. C. Xie, Sci. China-Phys. Mech. Astron. 63, 227811 (2020).
J. G. Checkelsky, R. Yoshimi, A. Tsukazaki, K. S. Takahashi, Y. Kozuka, J. Falson, M. Kawasaki, and Y. Tokura, Nat. Phys. 10, 731 (2014).
X. Kou, S. T. Guo, Y. Fan, L. Pan, M. Lang, Y. Jiang, Q. Shao, T. Nie, K. Murata, J. Tang, Y. Wang, L. He, T. K. Lee, W. L. Lee, and K. L. Wang, Phys. Rev. Lett. 113, 137201 (2014).
A. J. Bestwick, E. J. Fox, X. Kou, L. Pan, K. L. Wang, and D. Goldhaber-Gordon, Phys. Rev. Lett. 114, 187201 (2015).
T. Li, S. Jiang, B. Shen, Y. Zhang, L. Li, Z. Tao, T. Devakul, K. Watanabe, T. Taniguchi, L. Fu, J. Shan, and K. F. Mak, Nature 600, 641 (2021).
C. Z. Chang, W. Zhao, D. Y. Kim, H. Zhang, B. A. Assaf, D. Heiman, S. C. Zhang, C. Liu, M. H. W. Chan, and J. S. Moodera, Nat. Mater. 14, 473 (2015).
W. Wang, Y. Ou, C. Liu, Y. Wang, K. He, Q. K. Xue, and W. Wu, Nat. Phys. 14, 791 (2018).
J. Wang, B. Lian, H. Zhang, and S. C. Zhang, Phys. Rev. Lett. 111, 086803 (2013).
W. Lin, Y. Feng, Y. Wang, Z. Lian, H. Li, Y. Wu, C. Liu, Y. Wang, J. Zhang, Y. Wang, X. Zhou, and J. Shen, Phys. Rev. B 105, 165411 (2022).
G. Lippertz, A. Bliesener, A. Uday, L. M. C. Pereira, A. A. Taskin, and Y. Ando, Phys. Rev. B 106, 045419 (2022).
I. T. Rosen, M. P. Andersen, L. K. Rodenbach, L. Tai, P. Zhang, K. L. Wang, M. A. Kastner, and D. Goldhaber-Gordon, Phys. Rev. Lett. 129, 246602 (2022).
E. J. Fox, I. T. Rosen, Y. Yang, G. R. Jones, R. E. Elmquist, X. Kou, L. Pan, K. L. Wang, and D. Goldhaber-Gordon, Phys. Rev. B 98, 075145 (2018).
L. K. Rodenbach, I. T. Rosen, E. J. Fox, P. Zhang, L. Pan, K. L. Wang, M. A. Kastner, and D. Goldhaber-Gordon, APL Mater. 9, 081116 (2021).
K. M. Fijalkowski, N. Liu, P. Mandal, S. Schreyeck, K. Brunner, C. Gould, and L. W. Molenkamp, Nat. Commun. 12, 5599 (2021).
K. He, Physics 8, 41 (2015).
B. Zhou, H. Z. Lu, R. L. Chu, S. Q. Shen, and Q. Niu, Phys. Rev. Lett. 101, 246807 (2008).
R. Chen, and B. Zhou, Chin. Phys. B 25, 067204 (2016).
H. Jiang, H. Liu, J. Feng, Q. Sun, and X. C. Xie, Phys. Rev. Lett. 112, 176601 (2014).
J. Linder, T. Yokoyama, and A. Sudbø, Phys. Rev. B 80, 205401 (2009).
Y. Zhang, K. He, C. Z. Chang, C. L. Song, L. L. Wang, X. Chen, J. F. Jia, Z. Fang, X. Dai, W. Y. Shan, S. Q. Shen, Q. Niu, X. L. Qi, S. C. Zhang, X. C. Ma, and Q. K. Xue, Nat. Phys. 6, 584 (2010).
H. Z. Lu, W. Y. Shan, W. Yao, Q. Niu, and S. Q. Shen, Phys. Rev. B 81, 115407 (2010).
C. X. Liu, H. J. Zhang, B. Yan, X. L. Qi, T. Frauenheim, X. Dai, Z. Fang, and S. C. Zhang, Phys. Rev. B 81, 041307 (2010).
K. I. Imura, M. Okamoto, Y. Yoshimura, Y. Takane, and T. Ohtsuki, Phys. Rev. B 86, 245436 (2012).
Y. Takane, J. Phys. Soc. Jpn. 85, 124711 (2016).
R. Chen, D. H. Xu, and B. Zhou, Phys. Rev. B 95, 245305 (2017).
Z. Wang, Y. Sun, X. Q. Chen, C. Franchini, G. Xu, H. Weng, X. Dai, and Z. Fang, Phys. Rev. B 85, 195320 (2012).
Z. Wang, H. Weng, Q. Wu, X. Dai, and Z. Fang, Phys. Rev. B 88, 125427 (2013).
X. Xiao, S. A. Yang, Z. Liu, H. Li, and G. Zhou, Sci. Rep. 5, 7898 (2015).
H. Pan, M. Wu, Y. Liu, and S. A. Yang, Sci. Rep. 5, 14639 (2015).
T. Schumann, L. Galletti, D. Kealhofer, H. Kim, M. Goyal, and S. Stemmer, Phys. Rev. Lett. 120, 016801 (2018).
J. L. Collins, A. Tadich, W. Wu, L. C. Gomes, J. N. B. Rodrigues, C. Liu, J. Hellerstedt, H. Ryu, S. Tang, S. K. Mo, S. Adam, S. A. Yang, M. S. Fuhrer, and M. T. Edmonds, Nature 564, 390 (2018).
G. Qiu, P. Zhang, P. Deng, S. K. Chong, L. Tai, C. Eckberg, and K. L. Wang, Phys. Rev. Lett. 128, 217704 (2022).
L. J. Zhou, R. Mei, Y. F. Zhao, R. Zhang, D. Zhuo, Z. J. Yan, W. Yuan, M. Kayyalha, M. H. W. Chan, C. X. Liu, and C. Z. Chang, Phys. Rev. Lett. 130, 086201 (2023).
P. Deng, C. Eckberg, P. Zhang, G. Qiu, E. Emmanouilidou, G. Yin, S. K. Chong, L. Tai, N. Ni, and K. L. Wang, Nat. Commun. 13, 4246 (2022).
H. Z. Lu, A. Zhao, and S. Q. Shen, Phys. Rev. Lett. 111, 146802 (2013).
W. Y. Shan, H. Z. Lu, and S. Q. Shen, New J. Phys. 12, 043048 (2010).
C. X. Liu, X. L. Qi, H. J. Zhang, X. Dai, Z. Fang, and S. C. Zhang, Phys. Rev. B 82, 045122 (2010).
H. P. Sun, C. A. Li, S. J. Choi, S. B. Zhang, H. Z. Lu, and B. Trauzettel, Phys. Rev. Res. 5, 013179 (2023).
R. Landauer, Philos. Mag. 21, 863 (1970).
M. Büttiker, Phys. Rev. B 38, 9375 (1988).
D. S. Fisher, and P. A. Lee, Phys. Rev. B 23, 6851 (1981).
A. MacKinnon, Z. Phys. B-Cond. Matter 59, 385 (1985).
G. Metalidis, and P. Bruno, Phys. Rev. B 72, 235304 (2005).
H. Jiang, L. Wang, Q. Sun, and X. C. Xie, Phys. Rev. B 80, 165316 (2009).
M. Mogi, M. Kawamura, A. Tsukazaki, R. Yoshimi, K. S. Takahashi, M. Kawasaki, and Y. Tokura, Sci. Adv. 3, eaao1669 (2017).
S. Grauer, K. M. Fijalkowski, S. Schreyeck, M. Winnerlein, K. Brunner, R. Thomale, C. Gould, and L. W. Molenkamp, Phys. Rev. Lett. 118, 246801 (2017).
C. Z. Chang, W. Zhao, J. Li, J. K. Jain, C. Liu, J. S. Moodera, and M. H. W. Chan, Phys. Rev. Lett. 117, 126802 (2016).
Y. Feng, X. Feng, Y. Ou, J. Wang, C. Liu, L. Zhang, D. Zhao, G. Jiang, S. C. Zhang, K. He, X. Ma, Q. K. Xue, and Y. Wang, Phys. Rev. Lett. 115, 126801 (2015).
C. Z. Chen, J. J. He, D. H. Xu, and K. T. Law, Phys. Rev. B 96, 041118 (2017).
Author information
Authors and Affiliations
Corresponding authors
Additional information
Dong-Hui Xu was supported by the National Natural Science Foundation of China (Grant Nos. 12074108, and 12147102) and Natural Science Foundation of Chongqing (Grant No. CSTB2022NSCQ-MSX0568). Bin Zhou was supported by the National Natural Science Foundation of China (Grant No. 12074107), the Program of Outstanding Young and Middle-aged Scientific and Technological Innovation Team of Colleges and Universities in Hubei Province (Grant No. T2020001), and the Innovation Group Project of the Natural Science Foundation of Hubei Province of China (Grant No. 2022CFA012). Hai-Peng Sun was supported by the Würzburg-Dresden Cluster of Excellence ct.qmat, EXC2147 (Grant No. 390858490), and the Deutsche Forschungsgemeinschaft (Grant No. SFB 1170).
Supporting Information
The supporting information is available online at http://phys.scichina.com and https://link.springer.com. The supporting materials are published as submitted, without typesetting or editing. The responsibility for scientific accuracy and content remains entirely with the authors.
Electronic Supplementary Material
Rights and permissions
About this article
Cite this article
Chen, R., Sun, HP., Zhou, B. et al. Chiral edge state coupling theory of transport in quantum anomalous Hall insulators. Sci. China Phys. Mech. Astron. 66, 287211 (2023). https://doi.org/10.1007/s11433-023-2115-7
Received:
Accepted:
Published:
DOI: https://doi.org/10.1007/s11433-023-2115-7