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Artificial Quantum Matter


Design and engineering approach to artificial topological quantum matter ...



Growth, MBE-STM route to Artificial Quantum Matter


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Bi2Se3 single crystals prepared by G. Bian, P. Shibayev, D. Sanchez, I. Belopolski and Raman Sankar in our Jadwin labs.


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Weyl Semimetal TaAs single crystals prepared by Dr. Raman Sankar


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  Preliminary (theoretical and experimental) Results etc.

Atomic-scale resolution visualization of quasiparticle interference on a type-II Weyl semimetal surface;

Hao Zheng, Guang Bian, Guoqing Chang, Hong Lu, Su-Yang Xu, Guangqiang Wang, Tay-Rong Chang, Songtian Zhang, Ilya Belopolski, Nasser Alidoust, Daniel S. Sanchez, Fengqi Song, Horng-Tay Jeng, Nan Yao, Arun Bansil, Shuang Jia, Hsin Lin, M. Zahid Hasan
Phys. Rev. Lett. 117, 266804 (2016)

 
  Signatures of Fermi Arcs in the Quasiparticle Interferences of the Weyl Semimetals TaAs and NbP

G. Chang, S.-Y. Xu, H. Zheng, C.-C. Lee, S.-M. Huang, I. Belopolski, D. S. Sanchez, G. Bian, N. Alidoust, T.-R. Chang, C.-H. Hsu, H.-T. Jeng, A. Bansil, H. Lin, M. Z. Hasan
Phys. Rev. Lett. 116, 066601 (2016)

 
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Atomic Scale Visualization of Quantum Interference on a Weyl Semimetal Surface by Scanning Tunneling Microscopy/Spectroscopy

H. Zheng, S.-Y. Xu, G. Bian, C. Guo, G. Chang, D. S. Sanchez, I. Belopolski, C.-C. Lee, S.-M. Huang, X. Zhang, R. Sankar, N. Alidoust, T.-R. Chang, F. Wu, T. Neupert, F. Chou, H.-T. Jeng, N. Yao, A. Bansil, S. Jia, H. Lin, M. Z. Hasan
ACS Nano DOI: 10.1021/acsnano.5b06807 (2016, submitted Oct 2015)

 
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  Weyl semimetal topography, Quasiparticle Interference etc.

Atomic-scale resolution visualization of quasiparticle interference on a type-II Weyl semimetal surface;

Hao Zheng, Guang Bian, Guoqing Chang, Hong Lu, Su-Yang Xu, Guangqiang Wang, Tay-Rong Chang, Songtian Zhang, Ilya Belopolski, Nasser Alidoust, Daniel S. Sanchez, Fengqi Song, Horng-Tay Jeng, Nan Yao, Arun Bansil, Shuang Jia, Hsin Lin, M. Zahid Hasan
Phys. Rev. Lett. 117, 266804 (2016)

 
 
 

Mirror-protected Dirac fermions on Weyl Semimetal Surfaces (2017)


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(Theoretical prediction and experimental observation of) "Mirror Protected Dirac Fermions on a Weyl Semimetal NbP Surface"
Hao Zheng, Guoqing Chang, Shin-Ming Huang, Cheng Guo, Xiao Zhang, Songtian Zhang, Jiaxin Yin, Su-Yang Xu, Ilya Belopolski, Nasser Alidoust, Daniel S. Sanchez, Guang Bian, Tay-Rong Chang, Titus Neupert, Horng-Tay Jeng, Shuang Jia, Hsin Lin, and M. Zahid Hasan
Phys. Rev. Lett. 119, 196403 (2017)



 
 
"A novel artificial condensed matter lattice and a new platform for one-dimensional topological phases"
I. Belopolski et.al.,
"A novel artificial condensed matter lattice and a new platform for one-dimensional topological phases"
Science Advances 3, e1501692 (2017)

(Collaborative work with groups at Rutgers, SOLIEL and LBNL)