Switching spin and charge between edge states in topological insulator constrictions

Physical Review Letters

Volumn 107, Issue 8, 2011, Pages

  Krueckl, Viktor ^a   Richter, Klaus ^a  

^a UNIVERSITY OF REGENSBURG   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

CHARGE CURRENT; CHARGE FLOW; EDGE STATE; ENERGY DEPENDENCE; HIGH FIDELITY; MERCURY TELLURIDE; NUMERICAL TRANSPORT; OPPOSITE EDGES; RASHBA SPIN ORBIT INTERACTION; SPIN SWITCHING; SPIN TRANSISTOR;

ELECTRIC INSULATORS; MERCURY (METAL);

SWITCHING FUNCTIONS;

EID: 84859795370     PISSN: 00319007     EISSN: 10797114     Source Type: Journal    
DOI: 10.1103/PhysRevLett.107.086803     Document Type: Article

References (23)

1. C.L. Kane and E.J. Mele, Phys. Rev. Lett. 95, 146802 (2005); PRLTAO 0031-9007 10.1103/PhysRevLett.95.146802 (Pubitemid 41777602)
2. C.L. Kane E.J. Mele Phys. Rev. Lett. 95, 226801 (2005). PRLTAO 0031-9007 10.1103/PhysRevLett.95.226801 (Pubitemid 41776999)
3. M.Z. Hasan and C.L. Kane, Rev. Mod. Phys. 82, 3045 (2010). RMPHAT 0034-6861 10.1103/RevModPhys.82.3045
4. B.A. Bernevig, T.L. Hughes, and S.-C. Zhang, Science 314, 1757 (2006). SCIEAS 0036-8075 10.1126/science.1133734 (Pubitemid 44969083)
5. B.A. Bernevig and S.-C. Zhang, Phys. Rev. Lett. 96, 106802 (2006). PRLTAO 0031-9007 10.1103/PhysRevLett.96.106802
6. M. König, Science 318, 766 (2007). SCIEAS 0036-8075 10.1126/science.1148047 (Pubitemid 351411764)
7. A. Roth, Science 325, 294 (2009). SCIEAS 0036-8075 10.1126/science. 1174736
8. M. Büttiker, Phys. Rev. B PRBMDO 0163-1829 38, 9375 (1988). 10.1103/PhysRevB.38.9375
9. S. Datta and B. Das, Appl. Phys. Lett. 56, 665 (1990). APPLAB 0003-6951 10.1063/1.102730
10. Y.A. Bychkov and E.I. Rashba, JETP Lett. 39, 78 (1984). JTPLA2 0021-3640
11. G. Schmidt, Phys. Rev. B PRBMDO 0163-1829 62, R4790 (2000). 10.1103/PhysRevB.62.R4790
12. A.R. Akhmerov, C.W. Groth, J. Tworzydło, and C.W.J. Beenakker, Phys. Rev. B PRBMDO 1098-0121 80, 195320 (2009). 10.1103/PhysRevB.80.195320
13. J. Maciejko, E.-A. Kim, and X.-L. Qi, Phys. Rev. B PRBMDO 1098-0121 82, 195409 (2010). 10.1103/PhysRevB.82.195409
14. F. Dolcini, Phys. Rev. B PRBMDO 1098-0121 83, 165304 (2011). 10.1103/PhysRevB.83.165304
15. L.B. Zhang, F. Cheng, F. Zhai, and K. Chang, Phys. Rev. B PRBMDO 1098-0121 83, 081402 (2011). 10.1103/PhysRevB.83.081402
16. D.G. Rothe, New J. Phys. 12, 065012 (2010). NJOPFM 1367-2630 10.1088/1367-2630/12/6/065012
17. See Supplemental Material at http://link.aps.org/supplemental/10.1103/ PhysRevLett.107.086803 for material parameters, relation between spin precession and channel width, wave packet algorithm, and details of the impurity and rough edge model.
18. B. Zhou, Phys. Rev. Lett. 101, 246807 (2008). PRLTAO 0031-9007 10.1103/PhysRevLett.101.246807
19. A similar model in terms of a spinful Luttinger liquid coupled to two helical ones was recently studied in C.-X. Liu, J.C. Budich, P. Recher, and B. Trauzettel, Phys. Rev. B PRBMDO 1098-0121 83, 035407 (2011). 10.1103/PhysRevB.83.035407
20. J.V. Gomes and N.M.R. Peres, J. Phys. Condens. Matter JCOMEL 0953-8984 20, 325221 (2008). 10.1088/0953-8984/20/32/325221
21. T. Kramer, C. Kreisbeck, and V. Krueckl, Phys. Scr. 82, 038101 (2010). PHSTBO 0031-8949 10.1088/0031-8949/82/03/038101
22. H. Tal-Ezer and R. Kosloff, J. Chem. Phys. 81, 3967 (1984). JCPSA6 0021-9606 10.1063/1.448136
23. V. Krueckl and T. Kramer, New J. Phys. 11, 093010 (2009). NJOPFM 1367-2630 10.1088/1367-2630/11/9/093010