Physics News

Semiconductor scientists discover effect that was thought impossible

A physical effect known as superinjection underlies modern light-emitting diodes (LEDs) and lasers. For decades this effect was believed to occur only in semiconductor heterostructuresŚthat ...

7 hours ago from

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Repelling charges prevent Cooper pairs from 'island hopping' in insulating state

Superconductors are able to conduct electricity with zero resistance thanks to Cooper pairs, electron duos that team up and skate through a material unimpeded. In 2007, Brown University researchers ...

Mon 22 Apr 19 from

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Supersolid behaviour spotted in dipolar quantum gases

Three independent groups catch sight of an elusive state of matter The post Supersolid behaviour spotted in dipolar quantum gases appeared first on Physics World.

Sat 20 Apr 19 from Physicsworld Blog

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CEBAF turns on the charm

The world's most advanced particle accelerator for investigating the quark structure of the atom's nucleus has just charmed physicists with a new capability. The production of charm quarks in ...

Thu 18 Apr 19 from

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Thermodynamic magic enables cooling without energy consumption

Physicists at the University of Zurich have developed an amazingly simple device that allows heat to flow temporarily from a cold to a warm object without an external power supply. Intriguingly, ...

Fri 19 Apr 19 from

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Triplet superconductivity demonstrated under high pressure

Researchers in France and Japan have demonstrated a theoretical type of unconventional superconductivity in a uranium-based material, according to a study published in the journal Physical Review ...

Thu 18 Apr 19 from

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New method enables quantum simulations on larger systems

Through randomly selected measurements, Austrian physicists can now determine the quantum entanglement of many-particle systems. With the newly developed method, quantum simulations can be extended ...

Thu 18 Apr 19 from

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Lasers make magnets behave like fluids

For years, researchers have pursued a strange phenomenon: When you hit an ultra-thin magnet with a laser, it suddenly de-magnetizes. Imagine the magnet on your refrigerator falling off.

Thu 18 Apr 19 from

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Disney princess inspires dark matter detector

Using supercooled water could be a nifty way of finding the mysterious substance that makes up most of the universe. Richard Lovett reports.

Mon 22 Apr 19 from Cosmos Magazine

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Electric skyrmions charge ahead for next-generation data storage

A team of researchers has observed chirality for the first time in polar skyrmions, in a material with reversible electrical properties -- a combination that could lead to more powerful data ...

Thu 18 Apr 19 from ScienceDaily

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