Spin qubits in graphene quantum dots

Nature Physics

Volumn 3, Issue 3, 2007, Pages 192-196

  Trauzettel, Björn ^a   Bulaev, Denis V ^a   Loss, Daniel ^a   Burkard, Guido ^a  

^a UNIVERSITY OF BASEL   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

GRAPHENE; NANOCRYSTALS; QUANTUM OPTICS; QUBITS;

CARBON BASED MATERIALS; COHERENCE TIME; DETUNINGS; HEISENBERG EXCHANGE; SOLID STATE QUBITS; SPIN-QUBITS; UNIQUE FEATURES;

SEMICONDUCTOR QUANTUM DOTS;

EID: 33847356032     PISSN: 17452473     EISSN: 17452481     Source Type: Journal    
DOI: 10.1038/nphys544     Document Type: Article

References (31)

1. Loss, D. & DiVincenzo, D. P. Quantum computation with quantum dots. Phys. Rev. A 57, 120-126 (1998).
2. Elzerman, J. M. et al. Single-shot read-out of an individual electron spin in a quantum dot. Nature 430, 431-435 (2004).
3. Hanson, R. et al. Single-shot readout of electron spin states in a quantum dot using spin-dependent tunnel rates. Phys. Rev. Lett. 94, 196802 (2005).
4. Petta, J. R. et al. Coherent manipulation of coupled electron spins in semiconductor quantum dots. Science 309, 2180-2184 (2005).
5. Koppens, F. H. L. et al. Driven coherent oscillations of a single electron spin in a quantum dot. Nature 442, 766-771 (2006).
6. Khaetskii, A. V. & Nazarov, Y. V. Spin relaxation in semiconductor quantum dots. Phys. Rev. B 61, 12639-12642 (2000).
7. Khaetskii, A. V. & Nazarov, Y. V. Spin-flip transitions between Zeeman sublevels in semiconductor quantum dots. Phys. Rev. B 64, 125316 (2001).
8. Golovach, V. N., Khaetskii, A. V. & Loss, D. Phonon-induced decay of the electron spin in quantum dots. Phys. Rev. Lett. 93, 016601 (2004).
9. Burkard, G., Loss, D. & DiVincenzo, D. P. Coupled quantum dots as quantum gates. Phys. Rev. B 59, 2070-2078 (1999).
10. Erlingsson, S. I., Nazarov, Y. V. & Fal'ko, V. I. Nucleus-mediated spin-flip transitions in GaAs quantum dots. Phys. Rev. B 64, 195306 (2001).
11. Khaetskii, A. V., Loss, D. & Glazman, L. Electron spin decoherence in quantum dots due to interaction with nuclei. Phys. Rev. Lett. 88, 186802 (2002).
12. Coish, W. A. & Loss, D. Hyperfine interaction in a quantum dot: Non-Markovian electron spin dynamics. Phys. Rev. B 70, 195340 (2004).
13. Johnson, A. C. et al. Triplet-singlet spin relaxation via nuclei in a double quantum dot. Nature 435, 925-928 (2005).
14. Koppens, F. H. L. et al. Control and detection of singlet-triplet mixing in a random nuclear field. Science 309, 1346-1350 (2005).
15. Min, H. et al. Intrinsic and Rashba spin-orbit interactions in graphene sheets. Phys. Rev. B 74, 165310 (2006).
16. Novoselov, K. S. et al. Electric field effect in atomically thin carbon films. Science 306, 666-669 (2004).
17. Novoselov, K. S. et al. Two-dimensional gas of massless Dirac fermions in graphene. Nature 438, 197-200 (2005).
18. Zhang, Y., Tan, Y.-W., Stormer, H. L. & Kim, P. Experimental observation of the quantum Hall effect and Berry's phase in graphene. Nature 438, 201-204 (2005).
19. Cheianov, V. V. & Fal'ko, V. I. Selective transmission of Dirac electrons and ballistic magnetoresistance of n-p junctions in graphene. Phys. Rev. B 74, 041403R (2006).
20. Dombay, N. & Calogeracos, A. Seventy years of the Klein paradox. Phys. Rep. 315, 41-58 (1999).
21. Katsnelson, M. I., Novoselov, K. S. & Geim, A. K. Klein paradox in graphene. Nature Phys. 2, 620-625 (2006).
22. McClure, J. W. Diamagnetism of graphite. Phys. Rev. 104, 666-671 (1956).
23. Semenoff, G. W. Condensed-matter simulation of a three-dimensional anomaly. Phys. Rev. Lett. 53, 2449-2452 (1984).
24. DiVincenzo, D. P. & Mele, E. J. Self-consistent effective-mass theory for intralayer screening in graphite intercalation compounds. Phys. Rev. B 29, 1685-1694 (1984).
25. Silvestrov, P. G. & Efetov, K. B. Quantum dots in graphene. Phys. Rev. Lett. 98, 016802 (2007).
26. Nilsson, J., Castro Neto, A. H., Guinea, F. & Peres, N. M. R. Transmission through a biased graphene bilayer barrier. Preprint at 〈http://www.arxiv.org/cond-mat/0607343〉 (2006).
27. De Martino, A., Dell'Anna, L. & Egger, R. Magnetic confinement of massless Dirac fermions in graphene. Preprint at 〈http://www.arxiv.org/ cond-mat/0610290〉 (2006).
28. Brey, L. & Fertig, H. A. Electronic states of graphene nanoribbons studied with the Dirac equation. Phys. Rev. B 73, 235411 (2006).
29. Tworzydło, J., Trauzettel, B., Titov, M., Rycerz, A. & Beenakker, C. W. J. Quantum-limited shot noise in graphene. Phys. Rev. Lett. 96, 246802 (2006).
30. Grabert, H. & Devoret, M. H. (eds) Single Charge Tunnelling (Plenum, New York, 1991).
31. Svore, K. M., Terhal, B. M. & DiVincenzo, D. P. Local fault-tolerant quantum computation. Phys. Rev. A 72, 022317 (2005).