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1930 – Cooper – bio

Leon Cooper was born in 1930 in New York, USA. He is most known for discovering how electrons pair together, creating a state of less resistance, known as superconductivity. These are now called, “Cooper pairs”. Bardeen, Cooper, and Schrieffer, built on this concept to create a theory of superconductivity in 1957. The three of them […]

Plasmons Used in Optical Communications

When ripples in the fluid-like free electrons in conducting metals form oscillations, they can act like virtual particles and are called “plasmons”, a category of quasiparticles. Controlling plasmons which interact with light allows fast and efficient modulation of light based communications. What is a plasmon? – [nanoscale.blogspot.com] A plasmon is a collective excitation of the […]

Quasiparticles

Elementary particles are not so much discrete “balls” of matter like marbles or planets as they are “clouds” of localized characteristics. Particles are often “fuzzy” around the edges, in terms of describing their physical limits and their location in space. But we know that these clouds or lumps that we call particles can interact with […]