de Broglie waves
Propagation of de Broglie waves in 1 dimension (the real part of the complex amplitude is blue and the imaginary part is green; top: plane wave, bottom: wave packet.). The probability (shown as the color opacity) of finding the particle at a given point x is spread out like a waveform, with no definite position of the particle. As the amplitude increases above zero the curvature decreases, so the amplitude decreases again, and vice versa – the result is an alternating amplitude: a wave.
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"Propagation of a de broglie wave."
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