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Electrons Take Their Places on a Liquid Helium Grid

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Kimitoshi Kono, Physics 4, 110 (2011) – Published December 19, 2011
A device that efficiently transfers single electrons from one grid point to another on the surface of liquid helium could provide a scalable way to make arrays of electron qubits.
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One, Two, Bits of Spin

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Andrew Sachrajda, Physics 4, 75 (2011) – Published September 26, 2011
Combining operations with one and two spin qubits may lead to superior quantum computers.
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Spin qubits feel the strain

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Brendon W. Lovett, Physics 4, 6 (2011) – Published January 18, 2011
Strain can be used to shift the resonant frequency of electron spin to the point where quantum processing starts looking feasible.
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Towards superconductor-spin ensemble hybrid quantum systems

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Tim Duty, Physics 3, 80 (2010) – Published September 27, 2010
Ensembles of dilute spin impurities in condensed matter systems can be accessed using microelectronic circuits and therefore may offer a way for long-term storage and enhanced processing of quantum information.
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Quasiparticles do the twist

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Joel E. Moore, Physics 2, 82 (2009) – Published October 5, 2009
A theoretical analysis of recent experiments suggests that a key feature of a topological quantum computer—the unusual statistics of quasiparticles in the quantum Hall effect—may finally have been observed.