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Theory of Quantum Mechanics
Neils Bohr postulated that electrons orbited atoms in a planetary fashion. Heisenberg based his own theory only on what could be observed. He argued that an electron could not be assigned a specific position at a specific time. Using matrices he showed that Bohr's visualization could not be shown to be accurate. Quantum physics is still working on the atomic model. Werner Heisenberg - Biographical. Nobelprize.org. https://www.nobelprize.org/prizes/physics/1932/heisenberg/biographical/. -
The Three Man Work
In a joint work with Max Born and Pascual and Pascual Jordan, Heisenberg formalized matrix theory, establishing the groundwork for modern quantum physics in "Zeitschrift für Physik" which has come to be known colloquially as "The three man paper". Zeitschrift für Physik A Hadrons and Nuclei In Zeitschrift für Physik, Vol. 35, No. 8-9. (1 August 1926), pp. 557-615, doi:10.1007/bf01379806 Key: citeulike:4768916 -
The Physical Principles of the Quantum Theory
Explaining that errors cannot be ignored on the quantum scale, Heisenberg established his Uncertainty Principle. Attempting to establish both the momentum and the position of a particle will always provide errors that cannot be less than the quantum constant "h". What is the Heisenberg Uncertainty Principle? - Chad Orzel Heisenberg W, Eckart C, Hoyt FC. The Physical Principles of the Quantum Theory. Mineola, NY: Dover Publ.; 2009. -
Neutrons Discovered
James Chadwick discovered the Neutron but it was Heisenberg that proved that they could not be a proton/electron pairing but had to be a particle all their own. The discovery of a third particle revolutionized how we see the atom and the proton/neutron nucleus is the model we still use today.