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1.
Focus

Cooling with a Warm Glow

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Physics 5, 36 (2012) – Published March 23, 2012
Incoherent light from the sun or from an LED could cool a small object, according to two theory papers.
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Viewpoint

Microwaving and stirring the quantum Hall spaghetti

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Michael M. Fogler, Physics 4, 39 (2011) – Published May 16, 2011
An ingenious experiment has probed the collective response of the quantum Hall stripe phase.
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Viewpoint

A defect controls transport in graphene

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Patrik Recher and Björn Trauzettel, Physics 4, 25 (2011) – Published March 28, 2011
A line defect that seems to naturally form in graphene grown on a nickel substrate may provide additional control of transport characteristics.
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Synopsis

Disorder and dissonance in nanostructures

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Published June 9, 2010
The phase coherence time of electrons in certain nanostructures may diverge at very low temperatures.
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Synopsis

Quantum oscillations in a high-mobility electron gas

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Published May 5, 2010
Microwave illumination of a high-mobility two-dimensional electron gas reveals quantum magneto-oscillations in both absorption coefficient and dc resistance.
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Synopsis

The space between

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Published January 19, 2010
LaAlO3/SrTiO3 interfaces grown by different methods all show a metal-insulator transition, but the observed interfacial electric field strength is not consistent with a widely studied model.
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Viewpoint

Carbon nanotubes help pairs survive a breakup

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Nadya Mason, Physics 3, 3 (2010) – Published January 11, 2010
A new experiment shows that entangled electron pairs can be spatially split into different arms of a carbon nanotube. Is a nanotube quantum teleporter on the horizon?
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Synopsis

Eliminating charge noise

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Published November 23, 2009
A proposal for how to design a superconducting qubit solves the problem of decoherence caused by randomly charged impurities.
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Viewpoint

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.
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Viewpoint

Atypical is normal at the metal-insulator transition

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Thomas Vojta, Physics 2, 66 (2009) – Published August 3, 2009
Quantum states in disordered solids are characterized by wild spatial fluctuations. As a result, the behavior of a single typical wave function differs markedly from the ensemble average.
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Synopsis

Fragile state

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Published March 30, 2009
Optical measurements in electron gases at low temperatures and high magnetic fields show the electron spins are, as predicted, polarized, but that this state is surprisingly delicate.
12.
Viewpoint

A view from the edge

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H. A. Fertig, Physics 2, 15 (2009) – Published February 23, 2009
Measurements of the heat transport at the edges of two-dimensional electron systems appear to provide explanations about the quantum Hall state that have not been forthcoming via charge transport experiments.
13.
Synopsis

Relaxing in a nanotube

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Published January 26, 2009
Measurements of how out-of-equilibrium electrons lose energy along a carbon nanotube reveal that they do not significantly scatter over several microns.