. . . ? – – URL: http://maildbs.c.u-tokyo.ac.jp/˜fukushima mailto:hukusima@phys.c.u-tokyo.ac.jp DEX-SMI @ 2006 12 17 ( ) What is scaling theory? DEX-SMI 1 / 40 Outline Outline 1 2 3 – – 4 ( ) What is scaling theory? DEX-SMI 2 / 40 r → αr =⇒ S(r) → S(αr) =? r S(r) S(r) = πr2 r → αr α ? S(αr) = π(αr)2 = α2 S(r) 2 2 = d dr log S(r) ¯ ¯ ¯ ¯ r=1 ( ) What is scaling theory? DEX-SMI 4 / 40 S(r) r L R(L)