"Classical field theory and classical mechanics"의 두 판 사이의 차이

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<h5>equation of continuity</h5>
 
<h5>equation of continuity</h5>
  
*  current density<br>  <br>
+
*  current density<br>  <br>  <br>
  
 
 
 
 

2010년 3월 3일 (수) 17:31 판

introduction
  • can be formulated using classical fields and lagrangian density
  • change the coordinates and fields accordingly
  • require the invariance of action integral over arbitrary region

 

 

Euler-Lagrange equation
  • if field satisfies the equation of motion, EL is satisfied

 

 

equation of continuity
  • current density
     
     

 

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