Physics News


How hot is Schrodinger's coffee?

A new uncertainty relation, linking the precision with which temperature can be measured and quantum mechanics, has been discovered at the University of Exeter.

Tue 14 Aug 18 from Phys.org

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Terahertz technology creates new insight into how semiconductor lasers work

Lasers are widely used as high power sources of light operating at a specific frequency. But how does this frequency get selected when a laser is turned on, and how quickly?

Mon 13 Aug 18 from Phys.org

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A new artificial quantum material for future high-efficiency computers

Scientists at Tsinghua University and Institute of Physics, Chinese Academy of Sciences in Beijing, have demonstrated the ability to control the states of matter, thus controlling internal resistance, ...

Tue 14 Aug 18 from Phys.org

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Another step forward on universal quantum computer

Researchers have demonstrated holonomic quantum gates under zero-magnetic field at room temperature, which could enable the realization of fast and fault-tolerant universal quantum computers.

Mon 13 Aug 18 from Phys.org

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Superconductivity above 10 K in a novel quasi-one-dimensional compound

In the past century, superconductivity has been observed in thousands of substances with multifarious chemical compositions and crystal structures; however, researchers have still not found ...

Mon 13 Aug 18 from Phys.org

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Researchers suggest phonons may have mass and perhaps negative gravity

A trio of physicists with Columbia University is making waves with a new theory about phononsthey suggest they might have negative mass, and because of that, have negative gravity. Angelo Esposito, ...

Wed 15 Aug 18 from Phys.org

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Breaking down the Wiedemann-Franz law

A study exploring the coupling between heat and particle currents in a gas of strongly interacting atoms highlights the fundamental role of quantum correlations in transport phenomena, breaks ...

Mon 13 Aug 18 from Phys.org

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Team makes first particle accelerator beam measurement in six dimensions

The first full characterization measurement of an accelerator beam in six dimensions will advance the understanding and performance of current and planned accelerators around the world.

Fri 10 Aug 18 from Phys.org

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Quantum chains in graphene nanoribbons

Empa researchers, together with colleagues from the Max Planck Institute for Polymer Research in Mainz and other partners, have achieved a breakthrough that could eventually be used for precise ...

Fri 10 Aug 18 from Phys.org

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For UW physicists, the 2-D form of tungsten ditelluride is full of surprises

The general public might think of the 21st century as an era of revolutionary technological platforms, such as smartphones or social media. But for many scientists, this century is the era of ...

Thu 9 Aug 18 from Phys.org

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