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Routledge eBooks

PHYSICS

Simon W. Saunders

Published Jan 31, 2008• 0 citations
Publisher

Abstract

Quantum mechanics was all but completed in 1926. But it only compounded – entrenched – a problem that had been obvious for years: wave-particle duality. For a simple example, consider Young’s two-slit experiment, in which monochromatic light, incident on two narrow, parallel slits, subsequently produces an interference pattern on a distant screen (in this case, closely spaced bands of light and dark parallel to the slits). If either of the slits is closed, the pattern is lost. If one or other slit is closed sporadically and randomly, so that only one is open at any one time, the pattern is lost.

DOI
10.4324/9780203000502-63

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Quantum mechanics was all but completed in 1926. But it only compounded – entrenched – a problem that had been obvious for years: wave-particle duality. For a simple example, consider Young’s two-slit experiment, in which monochromatic light, incident on two narrow, parallel slits, subsequently produces an interference pattern on a distant screen (in this case, closely spaced bands of light and dark parallel to the slits). If either of the slits is closed, the pattern is lost. If one or other slit is closed sporadically and randomly, so that only one is open at any one time, the pattern is lost.
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After eighty years of Quantum Mechanics (QM) we have learned to live with wave functions without worrying about their physical nature. This attitude is certainly justifled by the extraordinary success of the theory in predicting and explaining not only all the phenomena encountered in the domain of microphysics, but also some spectacular nonclassical macroscopic behaviors of matter. Nevertheless one cannot ignore that the wave{particle duality of quantum objects not only still raises conceptual problems among the members of the small community of physicists who are still interested in the foundations of our basic theory of matter, but also induces thousands and thousands of physics students all around the world to ask each year, at their flrst impact with Quantum Mechanics, embarrassing questions to their teachers without receiving really convincing answers. Remember that Feynman once said \It is fair to say that nobody understands
Abstract The Young's double slit experiment and the electron double slit experiment are generally considered to prove the wave nature of light and electrons. The most obvious sign of the double-slit experiment is that there are bright and dark stripes on the screen. However, people have not carefully studied the causes of the light and dark stripes. Here, we demonstrates that the light and dark fringe in Young's double-slit experiment is not actually the diffraction and interference pattern of light wave, and tries to reveal the real reason for its formation. We have studied the scattering phenomenon of particle flow after passing through the gap, and found that the scattering type and scattering degree of freedom of particle flow are determined by the physical parameters of particles and the gap, and the uniform scattering of particle flow can form a "yes" and "no" discrete distribution pattern on the receiving screen. Based on the "diffraction like" and "interference like" mechanism of particle flow, this paper explains the electron diffraction and interference experiment, as well as the Young's double-slit interference experiment and the diffraction of light through circular holes and plates. This paper negates the wave-particle duality and the de Broglie material wave hypothesis, fundamentally shaking the foundation of modern quantum mechanics, and has great scientific significance.
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