Harmonic oscillator in quantum mechanics

수학노트
http://bomber0.myid.net/ (토론)님의 2010년 9월 22일 (수) 16:55 판
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introduction

 

 

 

harmonic oscillator in classical mechanics
  • 고전역학에서의 조화진동자

 

 

 

creation and annhilation operators

 

 

 

energy

According to quantum mechanics, a harmonic oscillator that vibrates with frequency \(\omega\) can have energy \(1/2\omega, (1 +1/2)\omega, (2 +1/2)\omega,(3 +1/2)\omega,\cdots\) in units where Planck’s constant equals 1. 

The lowest energy is not zero! It’s \(\omega/2\). This is called the ground state energy of the oscillator.

 

 

path integral formulation

 

 

 

 

history

 

 

related items

 

 

encyclopedia

 

 

books

 

 

 

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articles

 

 

 

question and answers(Math Overflow)

 

 

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