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Acta Physica Sinica (Overseas Edition), 1999, Vol. 8(11): 808-812    DOI: 10.1088/1004-423X/8/11/002
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THE TRANSITION RATE OF A DOUBLE WELL SYSTEM DRIVEN BY CROSS-CORRELATED NOISES

MEI DONG-CHENG (梅冬成)abc, CHEN LUO-EN (陈洛恩)d, XIE GUANG-ZHONG (谢光中)abc, CAO LI (曹力)e, WU DA-JIN (吴大进)e
a Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, China; 
The National Astronomical Observatories, The Chinese Academy of Sciences
c Yunnan Astrophsics Center, Yunnan University, Kunming 650091, China;
d Department of Physics, Yuxi Teachers College, Yuxi 653100, China
e Department of Physics, Huazhong University of Science and Technology, Wuhan 430074, China
Abstract  The transition rate of a double well system driven by cross-correlated noises has been investigated, in when the correlation times between the noises are nonzero. From numerical computation, we find followings: (1) The transition rate decreases as the $\lambda$ ($\lambda$  is the strength of the correlations between noises) increases. (2) The transition rate increases as the $\tau$ ($\tau$  is the correlation time between noises) increases. It imglies that $\tau$  and $\lambda$ play opposite roles in the transition rate of the system (3). For the case of perfectly correlated noises ($\lambda$= 1), there is no the suppressed phenomenon in the double well system with cross-correlated noise sources.
Received:  24 March 1999      Accepted manuscript online: 
PACS:  05.40.Ca (Noise)  
  02.50.Ey (Stochastic processes)  
Fund: Project supported by the National Science Foundation of China (Grant No.19863001) and the Applied Basic Research[7] Foundation of Yunnan Province, China.

Cite this article: 

MEI DONG-CHENG (梅冬成), CHEN LUO-EN (陈洛恩), XIE GUANG-ZHONG (谢光中), CAO LI (曹力), WU DA-JIN (吴大进) THE TRANSITION RATE OF A DOUBLE WELL SYSTEM DRIVEN BY CROSS-CORRELATED NOISES 1999 Acta Physica Sinica (Overseas Edition) 8 808

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