Rigidity Percolation

• Percolation: Connectivity

• Rigidity Percolation: Deformabilityfloppy, isostatically rigid, overconstrained

• Different universality classes:

  • 2d-percolation: a = 2/3
  • 2d-rigidity perc.: a = 0.48

p=0.62

p=0.70

Jacobs & Thorpe, PRL 75, 4051 (1995)

2nd deriv. of #

of flopy modes

~ specific heat

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