複雜系統之簡介(梁鈞泰) - 中研院物理研究所- Academia Sinica
複雜系統之簡介(梁鈞泰) - 中研院物理研究所- Academia Sinica
複雜系統之簡介(梁鈞泰) - 中研院物理研究所- Academia Sinica
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The motion of a random walker is described by<br />
an equation known as Langevin equation ( 朗 ):<br />
dx<br />
dt<br />
= µ f + ξ<br />
f<br />
=<br />
−<br />
dU<br />
dx<br />
力 µ mobility ξ <br />
<br />
流 不 粒 不<br />
粒 粒 度 ρ( x,<br />
t)<br />
度 <br />
:<br />
∂ρ<br />
= C<br />
∂t<br />
∂<br />
∂<br />
2<br />
ρ<br />
2<br />
x<br />
ρ<br />
x
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