# Browse Physics

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Two objects made of the exotic materials known as topological insulators could repel one another through the quantum-mechanical forces that cause most other solids to attract, theorists predict.

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A new topological insulator that approaches true insulating behavior in the bulk is synthesized.

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The potential discovery of anyons in a fractional quantum Hall device tests the limits of what is known about particles confined to two dimensions.

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Measuring the quantized magnetoelectric response in topological insulators could help establish precise values for basic physical constants.

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Fractional quantum Hall effect is observed in a new system, a CdTe quantum well with strong intrinsic Zeeman energy.

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The combination of stress and corrosion that can prove deadly in bridges and other structures also allows silicon to be sliced with the nanometer-scale precision required for the latest computer chips, according to simulations.

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The exactly quantized magneto-optical response of a topological insulator is a direct result of the Berry phase protected states on its surface.

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The phase coherence time of electrons in certain nanostructures may diverge at very low temperatures.

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By doping the topological insulator Bi2Te3 with magnetic manganese, researchers have turned it into a dilute ferromagnetic semiconductor.

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Microwave illumination of a high-mobility two-dimensional electron gas reveals quantum magneto-oscillations in both absorption coefficient and dc resistance.