Electrical detection of spin-momentum locking in Bi2Se3 (Conference Presentation)

2016 ◽  
Author(s):  
Berend T. Jonker ◽  
Connie H. Li ◽  
Olaf M. J. van 't Erve ◽  
Y. Liu ◽  
Y.Y. Li ◽  
...  
2014 ◽  
Vol 9 (3) ◽  
pp. 218-224 ◽  
Author(s):  
C. H. Li ◽  
O. M. J. van ‘t Erve ◽  
J. T. Robinson ◽  
Y. Liu ◽  
L. Li ◽  
...  

2018 ◽  
Vol 30 (33) ◽  
pp. 335404 ◽  
Author(s):  
Shi-Han Zheng ◽  
Hou-Jian Duan ◽  
Mou Yang ◽  
Liang-Bin Hu ◽  
Rui-Qiang Wang

2021 ◽  
Author(s):  
Novi Angeline ◽  
Sung-Sik Choo ◽  
Cheol-Hwi Kim ◽  
Suk Ho Bhang ◽  
Tae-Hyung Kim

2020 ◽  
Vol 6 (1) ◽  
Author(s):  
M. Umar Farooq ◽  
Arqum Hashmi ◽  
Tomoya Ono ◽  
Li Huang

AbstractUsing first-principles calculations, we investigate the possibility of realizing valley Hall effects (VHE) in blistered graphene sheets. We show that the Van Hove singularities (VHS) induced by structural deformations can give rise to interesting spin–valley Hall phenomena. The broken degeneracy of spin degree of freedom results in spin-filtered VH states and the valley conductivity have a Hall plateau of ±e2/2h, while the blistered structures with time-reversal symmetry show the VHE with the opposite sign of $$\sigma _{xy}^{K/K^{\prime}}$$ σ x y K / K ′ (e2/2h) in the two valleys. Remarkably, these results show that the distinguishable chiral valley pseudospin state can occur even in the presence of VHS induced spin splitting. The robust chiral spin–momentum textures in both massless and massive Dirac cones of the blistered systems indicate significant suppression of carrier back-scattering. Our study provides a different approach to realize spin-filtered and spin-valley contrasting Hall effects in graphene-based devices without any external field.


2009 ◽  
Vol 94 (5) ◽  
pp. 053105 ◽  
Author(s):  
Sebastian Sorgenfrei ◽  
Inanc Meric ◽  
Sarbajit Banerjee ◽  
Austin Akey ◽  
Sami Rosenblatt ◽  
...  

2011 ◽  
Vol 47 (38) ◽  
pp. 10593 ◽  
Author(s):  
Girjesh Dubey ◽  
Federico Rosei ◽  
Gregory P. Lopinski

2013 ◽  
Vol 103 (20) ◽  
pp. 201606 ◽  
Author(s):  
Yilin Wang ◽  
Wenzhong Bao ◽  
Shudong Xiao ◽  
Michael S. Fuhrer ◽  
Janice Reutt-Robey

2010 ◽  
Vol 08 (03) ◽  
pp. 517-528 ◽  
Author(s):  
M. A. JAFARIZADEH ◽  
M. MAHDIAN

This paper is concerned with the spin–momentum correlation in single-particle quantum states, which is described by the mixed states under Lorentz transformations. For convenience, instead of using the superposition of momenta we use only two momentum eigenstates (p1 and p2) that are perpendicular to the Lorentz boost direction. Consequently, in 2D momentum subspace we show that the entanglement of spin and momentum in the moving frame depends on the angle between them. Therefore, when spin and momentum are perpendicular the measure of entanglement is not an observer-dependent quantity in the inertial frame. Likewise, we have calculated the measure of entanglement (by using the concurrence) and have shown that entanglement decreases with respect to the increase in observer velocity. Finally, we argue that Wigner rotation is induced by Lorentz transformations and can be realized as a controlling operator.


2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Mahmoud Al Ahmad ◽  
Neena G. Panicker ◽  
Tahir A. Rizvi ◽  
Farah Mustafa

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