Elementary simulation of tethered Brownian motion

被引:20
作者
Beausang, John F. [1 ]
Zurla, Chiara
Finzi, Laura
Sullivan, Luke
Nelson, Philip C.
机构
[1] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA
[2] Emory Univ, Dept Phys, Atlanta, GA 30322 USA
[3] Ursinus Coll, Collegeville, PA 19426 USA
关键词
D O I
10.1119/1.2710484
中图分类号
G40 [教育学];
学科分类号
040101 ; 120403 ;
摘要
We describe a simple simulation, suitable for an undergraduate project or graduate problem set, of the Brownian motion of a particle in a Hooke's law potential well. Understanding this physical situation is necessary in many experimental contexts, for instance in single molecule biophysics, and its simulation helps students appreciate the. dynamical character of thermal equilibrium. The simulation captures behavior seen in experimental data on tethered particle motion. (C) 2007 American Association of Physics Teachers.
引用
收藏
页码:520 / 523
页数:4
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