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Sudden expansion or squeezing of a harmonic oscillator

 

作者: Claude Aslangul,  

 

期刊: American Journal of Physics  （AIP Available online 1995）
卷期: Volume 63, issue 11  

页码: 1021-1025

 

ISSN:0002-9505

 

年代: 1995

 

DOI:10.1119/1.18049

 

出版商: American Association of Physics Teachers

 

关键词: FREQUENCY DEPENDENCE;HARMONIC OSCILLATORS;PROPAGATOR;SCHROEDINGER EQUATION;TIME DEPENDENCE;WAVE FUNCTIONS

 

数据来源: AIP

 

摘要:

I consider the dynamics of a harmonic oscillator when its (circular) frequency ω is suddenly changed by a given factor λ. This exactly solvable time‐dependent system can be analyzed by using the basic tools of quantum mechanics and provides a simple illustration of their mutual relations and usefulness.

 

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