Tag Archives: Quantum Physics

Quasiparticles Repel, Then Attract

Resonant excitation of a thin-film semiconductor leads to impurities that attract rather than repel each other, providing a possible tool for manipulating superconductivity. Continue reading

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Photovoltaic Effect Goes Symmetric

A flower-petal pattern of light could induce electrical currents in a wider array of crystalline materials. Continue reading

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Global Quantum Communication via a Satellite Train

Long-distance quantum communication can be achieved by directly sending light through space using a train of orbiting satellites that function as optical lenses. Continue reading

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Writing the Rules of Turbulence

An experimentally derived equation of state captures a turbulent energy cascade in a far-from-equilibrium quantum gas. Continue reading

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Zap with Microwaves to Reverse Spin

Irradiating a uniaxial magnetic system with a specific sequence of microwave pulses can induce in the system quantum oscillations that cause the material’s spins to flip back and forth. Continue reading

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Large Photonic Processor Solves Graph Problems

A quantum photonic device can perform some real-world tasks more efficiently than classical computers. Continue reading

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Light Boosts Magnetism in a Crystal

Ultrafast laser pulses drive spin alignment that strengthens a titanate crystal’s magnetism and extends it to higher temperatures. Continue reading

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Universal Quantum Logic through Spin Swapping

Researchers have demonstrated quantum gate operations in a system where voltage pulses cause neighboring electron spins to swap with one another. Continue reading

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A Dense, Cold Gas of EuropiumAtoms

A Bose-Einstein condensate of europium atoms provides a new experimental platform for studying quantum spin interactions. Read more at APS Physics…

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Expanding Universe in the Lab

Researchers control the speed of sound in an ultracold gas, mimicking features of a curved spacetime and reproducing quantum field behavior predicted in early Universe models. Continue reading

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