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Spreading of a relativistic wave packet

 

作者: Carlos Almeida,   Arthur Jabs,  

 

期刊: American Journal of Physics  （AIP Available online 1984）
卷期: Volume 52, issue 10  

页码: 921-925

 

ISSN:0002-9505

 

年代: 1984

 

DOI:10.1119/1.13795

 

出版商: American Association of Physics Teachers

 

关键词: wave packets;quantum mechanics;relativity theory;velocity;de broglie wavelength

 

数据来源: AIP

 

摘要:

We present a simple general proof that the spreading velocity of a relativistic free wave packet of de Broglie waves is limited. For a wide class of packets we confirm that the limit is the velocity of light, and we show how this limit is approached when the width Δpof the wave packet in momentum space tends to infinity and the minimum width σ(t=0) in ordinary space tends to zero.

 

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