Singlet-triplet physics and shell filling in carbon nanotube double quantum dots

Nature Physics

Volumn 4, Issue 7, 2008, Pages 536-539

  Ingerslev Jorgensen H ^a,b   Grove Rasmussen, K ^b   Wang, K Y ^a   Blackburn, A M ^a   Flensberg, K ^b   Lindelof, P E ^b   Williams, D A ^a  

^a HITACHI CAMBRIDGE LABORATORY   (United Kingdom)

^b UNIVERSITY OF COPENHAGEN   (Denmark)

Author keywords

[No Author keywords available]

Indexed keywords

ATOMIC PHYSICS; CURRENT VOLTAGE CHARACTERISTICS; ELECTRONS; NANOCRYSTALS; SEMICONDUCTOR QUANTUM DOTS; SHELLS (STRUCTURES); YARN;

ATOMIC MOLECULES; DOUBLE QUANTUM DOTS; ELECTRON PHYSICS; SHELL STRUCTURE; SINGLET AND TRIPLET STATE; SINGLET-TRIPLET; SPIN COHERENCE TIME; TWO-LEVEL SYSTEM;

CARBON NANOTUBES;

EID: 46649109902     PISSN: 17452473     EISSN: 17452481     Source Type: Journal    
DOI: 10.1038/nphys987     Document Type: Article

References (23)

1. van der Wiel, W. G. et al. Electron transport through double quantum dots. Rev. Mod. Phys. 75, 1-22 (2002).
2. Hanson, R., Kouwenhoven, L. P., Petta, J. R., Tarucha, S. & Vandersypen, L. M. K. Spins in few-electron quantum dots. Rev. Mod. Phys. 79, 1217-1265 (2007).
3. Petta, J. R. et al. Coherent manipulation of coupled electron spins in semiconductor quantum dots. Science 309, 2180-2184 (2005).
4. Koppens, F. H. L. et al. Control and detection of singlet-triplet mixing in a random nuclear field. Science 309, 1346-1350 (2005).
5. Johnson, A. C. et al. Triplet-singlet spin relaxation via nuclei in a double quantum dot. Nature 435, 925-928 (2005).
6. Johnson, A. C., Petta, J. R., Marcus, C. M., Hanson, M. P. & Gossard, A. C. Singlet-triplet spin blockade and charge sensing in a few-electron double quantum dot. Phys. Rev. B 72, 165308 (2005).
7. Ono, K., Austing, D. G., Tokura, Y. & Tarucha, S. Current rectification by Pauli exclusion in a weakly coupled double quantum dot system. Science 297, 1313-1317 (2002).
8. Mason, N., Biercuk, M. J. & Marcus, C. M. Local gate control of a carbon nanotube double quantum dot. Science 303, 655-658 (2004).
9. Biercuk, M. J., Garaj, S., Mason, N., Chow, J. M. & Marcus, C. M. Gate-defined quantum dots on carbon nanotubes. Nano Lett. 5, 1267-1271 (2005).
10. Sapmaz, S., Meyer, C., Beliczynski, P., Jarillo-Herrero, P. & Kouwenhoven, L. P. Excited state spectroscopy in carbon nanotube double quantum dots. Nano Lett. 6, 1350-1355 (2006).
11. Gräber, M. R. et al. Molecular states in carbon nanotube double quantum dots. Phys. Rev. B 74, 075427 (2006).
12. Jørgensen, H. I., Grove-Rasmussen, K., Hauptmann, J. R. & Lindelof, P. E. Single wall carbon nanotube double quantum dot. Appl. Phys. Lett. 89, 232113 (2006).
13. Gräber, M. R., Weiss, M. & Schönenberger, C. Defining and controlling double quantum dots in single-walled carbon nanotubes. Semicond. Sci. Technol. 21, 64-68 (2006).
14. Nowack, K. C., Koppens, F. H. L., Nazarov, Y. V. & Vandersypen, L. M. K. Coherent control of a single electron spin with electric fields. Science 318, 1430-1433 (2007).
15. Pfund, A., Shorubalko, I., Ensslin, K. & Leturcq, R. Suppression of spin relaxation in an InAs nanowire double quantum dot. Phys. Rev. Lett. 99, 036801 (2007).
16. Elzerman, J. M. et al. Few-electron quantum dot circuit with integrated charge read out. Phys. Rev. B 67, 161308 (2003).
17. Fuhrer, A. et al. Few electron double quantum dots in InAs/InP nanowire heterostructures. Nano Lett. 7, 243-246 (2007).
18. Hayashi, T., Fujisawa, T., Cheong, H. D., Jeong, Y. H. & Hirayama, Y. Coherent manipulation of electronic states in a double quantum dot. Phys. Rev. Lett. 91, 226804 (2003).
19. Cobden, D. H. & Nygård, J. Shell filling in closed single-wall carbon nanotube quantum dots. Phys. Rev. Lett. 89, 046803 (2002).
20. Moriyama, S., Fuse, T., Suzuki, M., Aoyagi, Y. & Ishibashi, K. Four-electron shell structures and an interacting two-electron system in carbon-nanotube quantum dots. Phys. Rev. Lett. 94, 186806 (2005).
21. Buitelaar, M. R., Bachtold, A., Nussbaumer, T., Iqbal, M. & Schönenberger, C. Multiwall carbon nanotubes as quantum dots. Phys. Rev. Lett. 88, 156801 (2002).
22. Moriyama, S., Fuse, T., Aoyagi, Y. & Ishibashi, K. Excitation spectroscopy of two-electron shell structures in carbon nanotube quantum dots in magnetic fields. Appl. Phys. Lett. 87, 073103 (2005).
23. Sapmaz, S. et al. Electronic excitation spectrum of metallic carbon nanotubes. Phys. Rev. B 71, 153402 (2005).