Condensed Matter

   

Plasmons Display Color

Authors: George Rajna

Professor Laura Na Liu at the University of Heidelberg in Germany has created it with magnesium blocks which shine because free electrons inside them perform a kind of Mexican wave known as a plasmon. [17] Multiplexing, the ability to send multiple signals through a single channel, is a fundamental feature of any voice or data communication system. [16] Energy loss due to scattering from material defects is known to set limits on the performance of nearly all technologies that we employ for communications, timing, and navigation. [15] An international collaborative of scientists has devised a method to control the number of optical solitons in microresonators, which underlie modern photonics. [14] Solitary waves called solitons are one of nature's great curiosities: Unlike other waves, these lone wolf waves keep their energy and shape as they travel, instead of dissipating or dispersing as most other waves do. In a new paper in Physical Review Letters (PRL), a team of mathematicians, physicists and engineers tackles a famous, 50-year-old problem tied to these enigmatic entities. [13] Theoretical physicists studying the behavior of ultra-cold atoms have discovered a new source of friction, dispensing with a century-old paradox in the process. Their prediction, which experimenters may soon try to verify, was reported recently in Physical Review Letters. [12]

Comments: 27 Pages.

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Submission history

[v1] 2017-08-10 07:42:36

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