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Wave-particle duality is the concept in quantum mechanics that quantum entities exhibit particle or wave properties according to the experimental circumstances. [ 1 ] : 59 It expresses the inability of the classical concepts such as particle or wave to fully describe the behavior of quantum objects. [ 2 ] :
Wave-particle duality is a fundamental concept in physics that describes the dual nature of matter and light. It suggests that particles like electrons and photons can exhibit wave-like and particle-like properties depending on the experimental setup.
The wave-particle dual nature of matter particles and of radiation is a declaration of our inability to describe physical reality within one unified classical theory because separately neither a classical particle approach nor a classical wave approach can fully explain the observed phenomena.
Wave-particle duality, possession by physical entities (such as light and electrons) of both wavelike and particle-like characteristics. On the basis of experimental evidence, German physicist Albert Einstein first showed (1905) that light, which had been considered a form of electromagnetic waves,
Particle, wave, both or neither? The experiment that challenges all we know about reality. Thomas Young’s double-slit experiment originally served to prove that light is a wave — but later...
Wave-particle duality is the term for the fact that fundamental objects in the universe such as photons or electrons appear to exhibit aspects of either waves or particles depending on the experiment.
Explaining wave-particle duality is an outstanding problem in quantum mechanics. Niels Bohr and his colleagues (including Heisenberg and Pauli) proposed that the connection between the concepts of “particle” and “matter wave” can be through statistical interpretation.
However, in quantum mechanics, waves sometimes act as particles, and particles sometimes act as waves—this strange behavior is known as wave-particle duality. In this chapter, we shall examine how wave-particle duality shapes the general features of quantum mechanics.