Xu Zhang, Jia-Hui Cao, Bao-Quan Ai, Tian-Fu Gao, Zhi-Gang Zheng. Investigation on the directional transportation of coupled Brownian motors with asymmetric friction [J]. Acta Physica Sinica, 2020, 69(10): 100503-1
- Acta Physica Sinica
- Vol. 69, Issue 10, 100503-1 (2020)
Fig. 1. Coupling particles model with broken friction symmetry.
Fig. 2. The average velocity
of coupled particles varying with the free length l , where
,
,
,
,
.
of coupled particles varying with the free length ,
,
,
,
. 
Fig. 3. The average velocity
of coupled particles varying with the strength of coupling k , the insert figure described the average velocity curve when
, where
,
,
,
,
.
of coupled particles varying with the strength of coupling , where
,
,
,
,
. Fig. 4. The average velocity
of coupled particles varying with the amplitude A of external force, where
,
,
,
,
.
of coupled particles varying with the amplitude ,
,
,
,
. Fig. 5. The average velocity
of coupled particles varying with the frictional damping coefficient ratio
, the insert figure described the average velocity curve when
, where
,
,
,
,
.
of coupled particles varying with the frictional damping coefficient ratio
, the insert figure described the average velocity curve when
, where
,
,
,
,
. 
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