"Critical phenomena"의 두 판 사이의 차이

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2020년 11월 16일 (월) 02:15 판

introduction

  •   In this sense, the thermodynamic functions seem to display scale invariance around the critical point (for systems that have a critical point!), with the scaling variable t=(1-T/Tc).
  • Note that the logarithm y=log x obeys y(ax)=y(x) + log a.
  • It is scale invariant with exponent 0 (and a scale-dependent shift.) 
  • This is related to the famous formula\(\lim_{p\to 0}\frac{x^p-1}{p} = \log x\) which shows that logs are a special case of power law functions with power 0.
  • basics of magnetism

 

 

examples

  • liquid-vapour critical point
  • paramagnetic-ferromagnetic transition
  • multicomponent fluids
  • alloys
  • superfulids
  • superconductors
  • polymers
  • fully developed turbulence
  • quark-gluon plasma
  • early universe

 

 

E.A. Guggenheim, The Journal of Chemical Physics 13, 253-261 (1945).

Tromp, R. M., W. Theis, and N. C. Bartelt. 1996. Real-Time Microscopy of Two-Dimensional Critical Fluctuations: Disordering of the Si(113)-( 3 x 1) Reconstruction. Physical Review Letters 77, no. 12: 2522. doi:10.1103/PhysRevLett.77.2522

 

 

 

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