Various concepts of limit in statistical physics

수학노트
http://bomber0.myid.net/ (토론)님의 2010년 8월 19일 (목) 20:33 판
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introduction

 

 

 

concept of limit
  • notations
    • N : number of sites
    • a : lattice spacing
    • V : volume
  • scaling limit
  • continuum limit
    • sending the lattice spacing a to zero, and the number N of sites to infinity, while keeping the volume V=Na constant
  • thermodynamic limit
  • infrared limit
    • sending V to infinity, while keeping a constant
  • ultraviolet limit

 

 

The c-theorem implies that the infra-red limit, where the scale
goes to innity, and the ultra-violet limit, where the scale vanishes, are xed points
of the renormalisation group.

http://iopscience.iop.org/1126-6708/2000/03/008/pdf/1126-6708_2000_03_008.pdf

 

 

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