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17/03/1905 Albert Einstein proposes the existence of photon

1:19

Albert Einstein: Why Light is Quantum

4:08

Einstein and the discovery of photon - Douglas Hofstadter - Stanford Lecture

4:44

A Level Physics - The Photon

15:11

Quantum Mechanics 2 - Photons

In 1905 physicists knew, that electromagnetic energy is made of some small chunks called quanta. Einstein suggested that these quanta are actually the particles of light, photons. These particles, however, exhibit many properties of waves. This strange behavior of matter is called the wave-particle duality.
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    • Essentials 

    • Nomenclature 

    • Physical properties 

    • Historical development 

    • Wave–particle duality and uncertainty principles 

    • Bose–Einstein model of a photon gas 

    • Stimulated and spontaneous emission 

    • Quantum field theory 

    • In matter 

    • Technological applications 

    • Quantum optics and computation