Impurity Effects at Surfaces of a Photon-Dressed Bi$_2$Se$_3$ Thin Film
Qiu-Shi Wang1 , Bin Zhang1 , Wei-Zhu Yi1 , Meng-Nan Chen2 , Baigeng Wang1,3 , R. Shen1,3**
1 National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing 2100932 School of Science, Hangzhou Dianzi University, Hangzhou 3100183 Collaborative Innovation Center of Advanced Microstructures, Nanjing 210093
Abstract ：We investigate the impurity effects on surfaces of a thin film topological insulator, applied by an off-resonant circular polarized light. It is found that the off-resonant driving induces a quantized total Hall conductivity, when the driving strength is larger than a critical value and the Fermi level lies in the band gap, indicating that our system is converted into the topological phase. We also find that with the increasing disorder strength, the Dirac masses of top and bottom surfaces are renormalized and then fixed to half of their initial values, respectively, which will shrink the widths of the half-integer plateau of anomalous Hall conductivities.
收稿日期: 2018-07-02
出版日期: 2018-09-15
:
72.80.Ng
(Disordered solids)
73.23.-b
(Electronic transport in mesoscopic systems)
73.43.-f
(Quantum Hall effects)
03.65.Vf
(Phases: geometric; dynamic or topological)
[1] Bernevig B A, Hughes T L and Zhang S C 2006 Science 314 1757 [2] Fu L, Kane C L and Mele E J 2007 Phys. Rev. Lett. 98 106803 [3] Kane C L and Mele E J 2005 Phys. Rev. Lett. 95 146802 [4] Yang W M, Lin C J, Liao J and Li Y Q 2013 Chin. Phys. B 22 097202 [5] Hsieh D, Qian D, Wray L, Xia Y, Hor Y S, Cava R J and Hasan M Z 2008 Nature 452 970 [6] Roth A, Brune C, Buhmann H, Molenkamp L W, Maciejko J, Qi X L and Zhang S C 2009 Science 325 294 [7] Feng Y, Wang Y Y, Feng X et al 2016 Chin. Phys. B 25 087307 [8] Zhou B, Lu H Z, Chu R L, Shen S Q and Niu Q 2008 Phys. Rev. Lett. 101 246807 [9] Lu M H, He C, Sun X C et al 2017 Acta Phys. Sin. 66 224203 (in Chinese) [10] König M, Buhmann H, Molenkamp L W, Hughes T, Liu C X, Qi X L and Zhang S C 2008 J. Phys. Soc. Jpn. 77 031007 [11] König M, Buhmann H, Molenkamp L W, Hughes T, LiuC X, Qi X L and Zhang S C 2010 Phys. Today 63 33 [12] König M, Wiedmann S, Brune C, Roth A, Buhmann H, Molenkamp L W, Qi X L and Zhang S C 2007 Science 318 766 [13] Oka T and Aoki H 2009 Phys. Rev. B 79 081406(R) [14] Lindner N H, Refael G and Galitski V 2011 Nat. Phys. 7 490 [15] Kitagawa T, Oka T, Brataas A, FuL and Demler E 2011 Phys. Rev. B 84 235108 [16] Wang Y H, Steinberg H, Jarillo-Herrero P and Gedik N 2013 Science 342 453 [17] Chen M N, Su W, Deng M X, Ruan J W, Luo W, Shao D X, Sheng L and Xing D Y 2016 Phys. Rev. B 94 205429 [18] Liu H, Sun J T, Cheng C, Liu F and Meng S 2018 Phys. Rev. Lett. 120 237403 [19] Hübener H, Sentef M A, Giovannini U D, Kemper A F and Rubio A 2017 Nat. Commun. 8 13940 [20] Onoda M, Avishai Y and Nagaosa N 2007 Phys. Rev. Lett. 98 076802 [21] Liu Q, Liu C X, Xu C K, Qi X L and Zhang S C 2009 Phys. Rev. Lett. 102 156603 [22] Li J, Chu R L, Jain J K and Shen S Q 2009 Phys. Rev. Lett. 102 136806 [23] Song J T, Liu H W, Jiang H, Sun Q F and Xie X C 2012 Phys. Rev. B 85 195125 [24] Shon N H and Ando T 1998 J. Phys. Soc. Jpn. 67 2421 [25] Titum P, Lindner N H, Rechtsman M C and Refael G 2015 Phys. Rev. Lett. 114 056801 [26] Li H, Sheng L, Sheng D N and Xing D Y 2010 Phys. Rev. B 82 165104 [27] Wang H Q, Yang Y Y, Ju Y, Sheng L and Xing D Y 2013 Acta Phys. Sin. 62 037202 (in Chinese) [28] Rammer J 2004 Quantum Transport Theory (Boulder: Westview Press) [29] Sinitsyn N A, Hill J E, Min H, Sinova J and MacDonald A H 2006 Phys. Rev. Lett. 97 106804 [30] Rostami H and Cappelluti E 2017 Phys. Rev. B 96 054205 [31] March, D J J and Franz M 2012 Phys. Rev. B 86 155146 [32] Zhai X and Jin G J 2014 Phys. Rev. B 89 235416
[1]
.
[2]
.
[3]
LI Yu-Hong;**;XU Chun-Ping;GAO Chao;WANG Zhi-Guang
. Ne2+ Ion Irradiation Induced Swelling Effects in Pyrochlore Ho2 Ti2 O7 by Using a GIXRD Technique
[4]
LI Ning;ZHANG Yong-You;JIN Guo-Jun. Effective-Medium Approach for Conductivities in Multi-Component Granular Mixtures
[5]
XU Jie;ZHANG Duan-Ming;DENG Zong-Wei; YANG Feng-Xia;LI Zhi-Hua;PAN Yuan. Quasi-Random Resistor Network Model for Linear Magnetoresistance of Metal--Semiconductor Composite
[6]
N. Mehta;D. Kumar;A. Kumar. Comparative Analysis of Photo-Crystallization in a-Se95 Te5 and a-Se95 In5 Alloys
[7]
HU Dong-Sheng;ZHANG Gui-Ping;XIONG Shi-Jie. Transport Properties in a One-Dimensional Chain with Randomly Side-Coupled Impurities
[8]
HE Li-Qun;Eugene Kogan;Moshe Kaveh;Shlomo Havlin;Nehemia Schartz;LUO Dawei. Distribution Function of Mesoscopic Hopping Conductance
[9]
LIU Xiangna;HE Yuliang;F. Wang*;R. Schwarz*. Photoabsorption Spectra of Nano-Crystalline Silicon Films
[10]
HE Yuliang;YU Bin;LIU Xiangna. EFFECT OF NITROGEN CONTENT IN a-Si:H/a-SiNx:H MULTILAYERS ON CONDUCTIVE MECHANISM
[11]
LIU Xiangna;ZHAO Zhouyin*;WANG Yong. INVESTIGATION OF NITROGEN CONTENT INFLUENCE ON ELECTRON SPIN RESONANCE IN a-Si:H/a-SiNx :H MULATLATYERS
[12]
ZHU Meifang;SONGJun;LI Chenxi*. THE TEMPERATURE DEPENDENCE OF THE PHOTOCONDUCTIVITY IN a-Si:H/a-SiNx :H SUPERLATTICES
2018, Vol. 35 
