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Einstein Dictionary Terms
polariton
A polariton is a quasiparticle resulting from the strong coupling between photons (light particles) and certain types of...
Bose-Einstein condensate
A Bose-Einstein condensate (BEC) is a state of matter that forms at temperatures close to absolute zero. It is named after...
cold atom
Cold atoms refer to atoms that have been cooled to extremely low temperatures, typically in the microkelvin (µK) to...
quantum optics
The area of optics in which quantum theory is used to describe light in discrete units or "quanta" of energy known as...
Einstein shift
A shift in the direction of the red in the spectral lines of light which, defined by the relativity theory, will have...
spontaneous emission
Radiation emitted when a quantum mechanical system drops spontaneously from an excited level to a lower level. This...
Einstein coefficients
Three proportional coefficients labeled Am, Bmn, and Bnm, that respectively characterize the rate of spontaneous emission,...
gravitational waves
Postulated by Einstein in his theory of relativity. They are waves traveling at the speed of light and exerting force on...
quantum entanglement
Quantum entanglement is a phenomenon in quantum mechanics where two or more particles become correlated to such an extent...
einstein
A unit of energy equal to the amount of energy absorbed by one molecule of material undergoing a photochemical reaction, as...
(10 results found)
April 2024
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