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Atoms Hollowed by Laser Form Novel Plasma

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YORK, England, April 1, 2013 — A highly unusual plasma composed of hollow atoms has been created using one of the world’s most powerful lasers. The surprising result shows that a little-explored region of physics is now accessible through the unprecedented intensities being reached at some laser facilities. A hollow atom occurs when an electron buried in an atom is removed, usually by being hit by another electron, creating a hole while leaving all the other electrons attached. This process creates plasma, a form of ionized gas. An x-ray is released when the hole is filled. Normally, the process involves...Read full article

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    Published: April 2013
    Glossary
    plasma
    A gas made up of electrons and ions.
    Alexei ZhidkovAmericasAsia-PacificBasic ScienceCentral Laser FacilityenergyEnglandEuropehollow atomsJames ColganJapanLANLLos Alamos National LaboratoryNigel WoolseyOsaka Universitypetawatt laserplasmaRachel DanceResearch & TechnologyRussian Academy of Sciences’ Joint Institute for High TemperaturesRutherford Appleton LaboratorySergey PikuzSTFCUniversity of YorkVulcan laserx-ray radiationLasers

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