Symmetry protected Josephson supercurrents in three-dimensional topological insulators

Nature Communications

Volumn 4, Issue , 2013, Pages

  Cho, Sungjae ^a   Dellabetta, Brian ^b   Yang, Alina ^c   Schneeloch, John ^c   Xu, Zhijun ^c   Valla, Tonica ^c   Gu, Genda ^c   Gilbert, Matthew J ^a   Mason, Nadya ^a  

^a University of Illinois at Urbana Champaign   (United States)

^b UNIVERSITY OF ILLINOIS AT URBANA CHAMPAIGN   (United States)

^c BROOKHAVEN NATIONAL LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

INSULATION; MEASUREMENT METHOD; NUMERICAL MODEL; PARTICULATE MATTER; THREE-DIMENSIONAL MODELING; TOPOLOGY;

ARTICLE; ELECTRIC CURRENT; ELECTRICAL EQUIPMENT; MAGNETIC FIELD; QUANTUM MECHANICS; SIMULATION; SUPERCONDUCTOR; SUPERCURRENT; TOPOLOGICAL INSULATOR;

EID: 84877740685     PISSN: None     EISSN: 20411723     Source Type: Journal    
DOI: 10.1038/ncomms2701     Document Type: Article

References (26)

1. Hasan, M. Z. & Kane, C. L. Colloquium: topological insulators. Rev. Mod. Phys. 82, 3045-3067 (2010).
2. Fu, L. & Kane, C. L. Superconducting proximity effect and Majorana fermions at the surface of a topological insulator. Phys. Rev. Lett. 100, 096407 (2008).
3. Qi, X.-L. & Zhang, S.-C. Topological insulators and superconductors. Rev. Mod. Phys. 83, 1057-1110 (2011).
4. Nilsson, J., Akhmerov, A. R. & Beenakker, C. W. Splitting of a Cooper pair by a pair of Majorana bound states. Phys. Rev. Lett. 101, 120403 (2008).
5. Tanaka, Y., Yokoyama, T. & Nagaosa, N. Manipulation of the Majorana fermion, Andreev reflection, and Josephson current on topological insulators. Phys. Rev. Lett. 103, 107002 (2009).
6. Veldhorst, M. et al. Josephson supercurrent through a topological insulator surface state. Nat. Mater. 11, 417-421 (2012).
7. Zhang, D. M. et al. Superconducting proximity effect and possible evidence for Pearl vortices in a candidate topological insulator. Phys. Rev. B 84, 165120 (2011).
8. Sacépé, B. et al. Gate-tuned normal and superconducting transport at the surface of a topological insulator. Nat. Commun. 2, 575 (2011).
9. Williams, J. R. et al. Unconventional Josephson effect in hybrid superconductor-topological insulator devices. Phys. Rev. Lett. 109, 056803 (2012).
10. 3. Phys. Rev. Lett. 106, 196801 (2011).
11. Cho, S., Butch, N. P., Paglione, J. & Fuhrer, M. S. Insulating behavior in ultrathin bismuth selenide field effect transistors. Nano Lett. 11, 1925-1927 (2011).
12. 3. Nat. Phys. 8, 459-463 (2012).
13. 3 by composition tuning. Nat. Nanotech. 6, 705-709 (2011).
14. 3 topological insulator nanoribbons. Nat. Commun. 3, 757 (2012).
15. Hsieh, D. et al. A tunable topological insulator in the spin helical Dirac transport regime. Nature 460, 1101-1105 (2009).
16. 3. Phys. Rev. Lett. 105, 076802 (2010).
17. Adam, S., Hwang, E. H. & Das Sarma, S. Two-dimensional transport and screening in topological insulator surface states. Phys. Rev. B 85, 235413 (2012).
18. Adam, S., Hwang, E. H., Galitski, V. M. & Das Sarma, S. A self-consistent theory for graphene transport. Proc. Natl Acad. Sci. USA 104, 18392-18397 (2007). (Pubitemid 350210707)
19. Beidenkopf, H. et al. Spatial fluctuations of helical Dirac fermions on the surface of topological insulators. Nat. Phys. 7, 939-943 (2011).
20. Martin, J. et al. Observation of electron-hole puddles in graphene using a scanning single-electron transistor. Nat. Phys. 4, 144-148 (2008).
21. Cho, S. & Fuhrer, M. Massless and massive particle-in-a-box states in singleand bi-layer graphene. Nano Res. 4, 385-392 (2011).
22. Abrahams, E., Kravchenko, S. V. & Sarachik, M. P. Metallic behavior and related phenomena in two dimensions. Rev. Mod. Phys. 73, 251-266 (2001).
23. Datta, S. Quantum transport : atom to transistor (Cambridge University Press, 2005).
24. Dellabetta, B., Hughes, T. L., Gilbert, M. J. & Lev, B. L. Imaging topologically protected transport with quantum degenerate gases. Phys. Rev. B 85, 205442 (2012).
25. Novoselov, K. S. et al. Two-dimensional atomic crystals. Proc. Natl Acad. Sci. USA 102, 10451-10453 (2005). (Pubitemid 41061574)
26. Grimaldi, G., Gambardella, U. & Pace, S. Inhomogeneous magnetic flux focusing in superconducting Josephson networks. Phys. Rev. B 59, 13608-13611 (1999).