Quantum Physics

   

Ultrafast Spintronics

Authors: George Rajna

One of the leading candidates, spintronics, is based on the idea of carrying information via the spin of electrons. [43] Now, researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed a polarization-insensitive metalens comprised of non-symmetric nanofins that can achromatically focus light across the visible spectrum without aberrations. [42] A team led by Rice University scientists used a unique combination of techniques to observe, for the first time, a condensed matter phenomenon about which others have only speculated. The research could aid in the development of quantum computers. [41] A half-century ago, the theorist Walter Henneberger wondered if it were possible to use a laser field to free an electron from its atom without removing it from the nucleus. [40]

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[v1] 2019-01-22 04:17:19

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