Scientists invited without a mass demon particles

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1956 Physicist David Pines the theoretorizes that existed without a mass, neutral plasmon called “demon”, which could help explain the superconductivity of some exotic substances.
Now researchers at the University of Urbana-Champlain, the University of Illinois, have found evidence of this theoretical demon of metal strontium ruthenate.
Because this demon is likely to exist at room temperature, this discovery could help scientists better understand high -temperature superconductors.

Illinois University condensed matter physicists successfully summoned a demon but Probably Not the one you portray – think about less fire and Brimstone and more quantum mechanics. “Demon” in this case actually means “a separate motion of electron”, and the physics’s favorite suffix -on has been added for a good measure.

The theoret of the physicist David Pines in 1956, this demon (also known as Pine Demon) is a plasmon – discrete wave expanding through plasma electrons, is mass -free and has a neutral load. As you probably imagine something that is without mass and Neutral is not exactly easy to detect.

However, the document published by the University of Illinois shows how they accidentally stumbled upon the plasmon of this demon. Initially, the team only analyzed the metal Stonco Ruthenate to find out why it contains similar properties as high -temperature superconducties (approximately -130 degrees Celsius), in fact. Then they noticed a quasipartil that was too slow to be a surface plasmon, but too fast to be acoustic phonon.

“At first we didn’t even realize what it was. There’s no demon in the main part. The opportunity arose early, and we were essentially laughing,” co-author Ali Husain said in a press release. “But when we started to manage our affairs, we began to suspect that we really found a demon.”

To find a demon, the team pulled out electrons from metal strontium russenat crystal and measure of measured energy to incredibly high accuracy. With these energy data, scientists could then follow the dismissal of demon in the material until they finally learned that Kvaziparticle had a close match for PINE’s 67 -year -old PINE forecasts about mass e -mail or demon. The results were published in the magazine Nature;

“This means that it is only important to measure things,” Urbana-Champlain and co-author Peter Abbamonte said in a press release. “Most big discoveries are not planned. You go looking somewhere new and see what’s out there.”

The demon’s discovery is especially important for understanding superconductors. Because this quasipartil is not massive, it can occur with any energy and possibly at any temperature.

The standard superconduct theory known as BCS theory is attributed to superconductivity to the interaction between electrons and phonons – the natural vibrations caused by the atomic crystal lattice. However, BCS theory may not always be explained by high temperature superconductors by zero energy resistance, which indicates that some materials are reached by other means by other means. One of these measures could Be this newly discovered demon Kvaziparticle, as they were theoretical to play the role in semi -transition to superconductivity.

The first step of any breakthrough is first and foremost to face your demons – you can say very much about superconductors.

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