Science, Space and Technology News 2023
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The seemingly physics-defying properties of quasiparticles could be harnessed for applications ranging from non-destructive imaging to computer-chip manufacturing. An international team of scientists has embarked on a mission to reshape the foundational principles of radiation physics with the intent of developing super-bright light sources. In a new study published in, and Laboratoire d’Optique Appliquée in France proposed ways to use quasiparticles to create light sources as powerful as the most advanced ones in existence today, but much smaller.Quasiparticles are remarkable entities formed by synchronized movements of multiple electrons.
“The most fascinating aspect of quasiparticles is their ability to move in ways that would be disallowed by the laws of physics governing individual particles,” says John Palastro, a senior scientist at the Laboratory for Laser Energetics, an assistant professor in the Department of Mechanical Engineering, and an associate professor at the Institute of Optics.
“The flexibility is enormous,” says Bernardo Malaca, a doctoral student at IST and the study’s primary author. “Even though each electron is performing relatively simple movements, the total radiation from all the electrons can mimic that of a particle moving faster than light or an oscillating particle, even though there isn’t a single electron locally that’s faster than light or an oscillating electron.
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