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Albert Einstein correctly described the photoelectric effect by suggesting that electrons had certain discrete energy levels, and that light was composed of particles which carried certain discrete energies. He showed that the energy that these light particles (photons) carried was proportional to the frequency of the light. So for certain frequencies of light, electrons in a material could absorb the photons and gain the energy needed to leave the material. Albert Einstein discovered the quantum of light.
Louis de Broglie then suggested that if light (a wave) could also be described by photons (particles), then perhaps electrons (particles) could be described as waves. A series of experiments showed that de Broglie's theory was correct.
Erwin Schrödinger later discovered an equation which correctly modeled the wave nature of matter.
Many textbooks attribute the discovery of quantum mechanics to Max Planck, and he won the 1918 Nobel prize for "the discovery of energy quanta," but neither he nor the vast majority of the scientific community at the time (at the time of his 1900 discovery of the Planck radiation law, that is) recognized that his use of energy quanta in describing black body radiation suggested a new hypothesis that would be later known as quantum theory (see Kragh, Helge. "Max Planck: The Reluctant Revolutionary." Physics World. December 2000)
In short, the discovery of quantum mechanics was an extended process which could not have been made possible if it were not for several physicists.
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoAs it's currently understood now, lots of people, including Max Planck, Werner Heisenberg, Erwin Schrödinger, Max Born, Paul Dirac, Wolfgang Pauli... If you had to pick out one single person ... arguably Planck was the one who got the ball rolling.
Wiki User
∙ 14y agoFundamental equation developed in 1926 by Erwin Schrödinger that established the mathematics of quantum mechanics. The equation determines the behaviour of the wave function that describes the wavelike properties of a subatomic system. It relates kinetic energy andpotential energy to the total energy, and it is solved to find the different energy levels of the system. Schrödinger applied the equation to the hydrogen atom and predicted many of its properties with remarkable accuracy. The equation is used extensively in atomic, nuclear, and solid-state physics
Wiki User
∙ 14y agoIt's not quite correct to say that quantum theory was "discovered"; it isn't a thing, but an idea, a concept. It was developed starting in 1905 and continuing through the present. "Quantum theory" is still evolving as we learn more and more about the structure of the universe.
Wiki User
∙ 13y agoWiki User
∙ 14y agoRoughly 1859 -- at least it can be traced back to then..
Google it like the rest of us would.
Wiki User
∙ 13y agoIt was discovered in the mid 1800's to 1900's.
Wiki User
∙ 14y agoMax Planck in 1900.
Wiki User
∙ 13y agoIt was discovered in 1913.
Wiki User
∙ 13y ago1913
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