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ϵģ

WattsStrogatz[7]Уڽ˼֮оһ򵥴Ⱦģ͡ڴģУӴȾΪ1ȾĶ һλʱԺ˳ϵͳκ磬ĴȾɢоɢʱ䣬ֶڴӹ絽 p $ \in$ $ \left(\vphantom{0, 1}\right.$0, 1$ \left.\vphantom{0, 1}\right)$磬ɢʱպ·һ¡Ҳ˵ڹϴʱ䳤ֻҪpԴ0 ͻõѸٴܺõ˵·һáʵȾģһ㶼ͬʱнڴȻ ʱƽ̾ˡڴ˹֮΢ַϵͳSmall World磬оԥ̡ͬ[15] Small WorldϵHodgkin-HuxleỵģSmall Worldͬʱгԥʱ̣ԺõֱԴ С̾͸߼۳̶ȡNewmanоSmall Worldϵ봫Ⱦģ[37]ȾģУ˿ɸȾ߱q [7]еģڹϵоqһֵֻq > qcȾܴΧСSmall World оqcȻڣDZȹСöࡣScale FreeϴȾģ͵оǣSISSIRģͣƵ ֵ[2,38,39]Ҳ˵ֻҪȾͽΧˣϵĴȾĿƾͲȫ ҽˮƽߣҪӸıṹ֡ƻṹĵͷǸ룬ǿжϿijЩӣȥijЩ㡣ȥ ȥķʽоΪĹԣIJͬʽµĽṹȶϵģͽϵһġ

ṹݻصģ⣬ܶоϵĴͳͳģͣͷϵĽ ԱȡϵIsingģ[60,61]XYģ[62]ٽ[63]Samll Worldϵ Isingģо֣һάάάΪͨõIJͬSmall World磬㣬вͬĹɡҲ ˵άȻӰ϶ѧģ͵һҪءǣһ磬ǴӹSmall World磬 άһȻļôһϵĶѧģǷҲάӦijֺӰأ ʣôһϵάļζҲһд⡣


wwwwjs 2004-01-04