(R. B. Griffiths, Phys. Rev. Lett. 23, 17 (1969))

1
(R. B. Griffiths, Phys. Rev. Lett. 23, 17
(1969))

Infinite clusters of any concentration 0 ? x ?
x0

• Local phase transitions at Tc(0) ? Tc(x) ?
  Tc(x0)

Weak singularities?
Non-exponential decay of spin-spin
autocorrelation function