Matter wave | Wikipedia audio article
Channel: wikipedia tts
Date: 24/12/2018

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Matter_wave


00:01:37 1 Historical context
00:03:22 2 de Broglie hypothesis
00:04:43 3 Experimental confirmation
00:05:12 3.1 Electrons
00:06:37 3.2 Neutral atoms
00:07:52 3.3 Molecules
00:08:46 4 de Broglie relations
00:09:50 4.1 Special relativity
00:12:44 4.1.1 Group velocity
00:16:05 4.1.2 Phase velocity
00:16:30 4.2 Four-vectors
00:18:53 5 Interpretations
00:21:11 6 De Broglie's phase wave and periodic phenomenon
00:27:35 7 See also
00:30:38 8 References



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SUMMARY
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Matter waves are a central part of the theory of quantum mechanics, being an example of wave–particle duality. All matter can exhibit wave-like behavior. For example, a beam of electrons can be diffracted just like a beam of light or a water wave. The concept that matter behaves like a wave was proposed by Louis de Broglie () in 1924. It is also referred to as the de Broglie hypothesis. Matter waves are referred to as de Broglie waves.
The de Broglie wavelength is the wavelength, λ, associated with a massive particle and is related to its momentum, p, through the Planck constant, h:

  
    
      
        λ
        =
        
          
            h
            p
          
        
        =
        
          
            h
            
              m
              v
            
          
        
        .
      
    
    {\displaystyle \lambda ={\frac {h}{p}}={\frac {h}{mv}}.}
  Wave-like behavior of matter was first experimentally demonstrated by George Paget Thomson's thin metal diffraction experiment, and independently in the Davisson–Germer experiment both using electrons, and it has also been confirmed for other elementary particles, neutral atoms and even molecules. Recently, it was also found that investigating the elementary process of diffusion gives the theoretical evidence of the relation of matter wave, regardless of the photon energy. It is thus revealed that the relation of matter wave is now not a hypothesis but an actual equation relevant to a characteristic of micro particle. The wave-like behavior of matter is crucial to the modern theory of atomic  structure and particle physics.