Eriksson Group: Quantum Computing

Spin channels for transport in Si double quantum dots
Nakul Shaji, C. B. Simmons, Madhu Thalakulam, Levente J. Klein, Hua Qin, H. Luo, D. E. Savage, M. G. Lagally, A. J. Rimberg, R. Joynt, M. Friesen, R. H. Blick, S. N. Coppersmith, M. A. Eriksson, submitted for publication.

Single electron occupation in a Si quantum dot.
“Single-electron quantum dot in Si/SiGe with integrated charge sensing,” C.B. Simmons, Madhu Thalakulam, Nakul Shaji, Levente J. Klein, Hua Qin, R.H. Blick, D.E. Savage, M.G. Lagally, S.N. Coppersmith, and M.A. Eriksson, Appl. Phys. Lett. 91, 213103 (2007).

Valley Splitting
“Controllable Valley Splitting in Si/SiGe Quantum Devices,” Srijit Goswami, K. A. Slinker, Mark Friesen, L. M. McGuire, J. L. Truitt, Charles Tahan, L. J. Klein, J. O. Chu, P. M. Mooney, D. W. van der Weide, Robert Joynt, S. N. Coppersmith, and M.A. Eriksson,
Nature Physics 3, 41 (2007).

Kondo Effect in Silicon Quantum Dots
“Coulomb blockade and Kondo effect in a few-electron silicon/silicon-germanium quan- tum dot,” L.J. Klein, D.E. Savage, and M.A. Eriksson, Appl. Phys. Lett. 90, 033103 (2007).

Overview of One Approach to QC in Silicon
Quantum Gate Simulation
Simulation of a swap-gate in silicon/silicon-germanium 2DEG-based quantum dots. White bars indicate the outline of metallic surface gates, and the color scale indicates electron charge density.
"Practical design and simulation of silicon-based quantum-dot qubits, "
Mark Friesen , Paul Rugheimer , Donald E. Savage, Max G. Lagally , Daniel W. van der Weide, Robert Joynt , and Mark A. Eriksson,
Phys. Rev. B Rapid Communications 67, 121301(R) (2003)

Coulomb Blockade in a Si/SiGe Etched Quantum Dot
"Coulomb Blockade in a Si:SiGe Two-Dimensional Electron Gas Quantum Dot," L.J. Klein, K. Slinker, J.L. Truitt, S Goswami, K.L.M. Lewis, S.N. Coppersmith, D.W. van der Weide, Mark Friesen , R. Blick, D.E. Savage, M.G. Lagally, Charlie Tahan , Robert Joynt, M.A. Eriksson (University of Wisconsin Madison), J.O. Chu, J.A. Ott, P.M. Mooney (IBM Research Division, T. J. Watson Research Center),
Appl. Phys. Lett. 84, 4047-4049 (2004).

Spin Readout
"Spin readout and initialization in a semiconductor quantum dot,"
Mark Friesen , Charles Tahan , Robert Joynt, M.A. Eriksson,
Phys. Rev. Lett. 92, 037901 (2004).

Exchange gate control:
Pseudo-Digital Quantum Bits,
Mark Friesen, Robert Joynt,
and M. A. Eriksson,
Appl. Phys. Lett. 81, 4619 (2002).

Many other related publications here.