期刊
FLUCTUATION AND NOISE LETTERS
卷 4, 期 1, 页码 L151-L159出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0219477504001756
关键词
self-driven particles; enhanced diffusion
The zooplankton Daphnia or water flea - one of the most common crustacean to be found in freshwater - is subject to recent studies. It is known to perform vortex motions under certain light conditions as well as more complex navigational tasks. Experimental data show that Daphnia move with a preferred turning angle, what is of main interest in this paper. The above-mentioned experimental fact is taken in order to derive a diffusion law for these types of motion. Deviations from the free diffusive behavior are investigated, based on random walk theory.
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