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Brownian flights over a circle.
Physical Review E ( IF 2.2 ) Pub Date : 2020-07-09 , DOI: 10.1103/physreve.102.012124
Alexander Vladimirov 1 , Senya Shlosman 1, 2, 3 , Sergei Nechaev 4, 5
Affiliation  

The stationary radial distribution, P(ρ), of a random walk with the diffusion coefficient D, which winds at the tangential velocity V around an impenetrable disk of radius R for RD/V converges to the distribution involving the Airy function. Typical trajectories are localized in the circular strip [R,R+δR1/3], where δ is a constant which depends on the parameters D and V and is independent of R.

中文翻译:

布朗飞行一圈。

静态径向分布 Pρ,具有扩散系数的随机游走 d,以切线速度缠绕 V 绕着半径不可穿透的圆盘 [R 对于 [Rd/V收敛到涉及Airy函数的分布。典型轨迹位于圆带中[[R[R+δ[R1个/3],在哪里 δ 是一个常数,取决于参数 dV 并且独立于 [R
更新日期:2020-07-09
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