期刊论文

Lu, HF

英文

理论物理

0253-6102

2004

41

5

707-714

10.1088/0253-6102/41/5/707

Fok Ying Tung Education Foundation of China under Grant;Fok Ying Tung Education Foundation of China under Grant;National Natural Science Foundation of China under Grant

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An analysis expression for the stationary probability distribution of asymmetric superconducting quantum interference device with two Josephson junctions (dc SQUID) driven by thermal noise is derived from two-dimensional Fokker-Planck equation, where the potential condition is satisfied. Two of the three asymmetric parameters, inductance asymmetric parameter η and critical current asymmetric parameter a, can be changed in this condition, but resistance asymmetric parameter ρ cannot be changed. The "ripple" phenomenon of circulating current ca...

An analysis expression for the stationary probability distribution of asymmetric superconducting quantuminterference device with two Josephson junctions（dc SQUID）driven by thermal noise is derived from two-dimensionalFokker-Planck equation,where the potential condition is satisfied.Two of the three asymmetric parameters,inductanceasymmetric parameter η and critical current asymmetric parameter α,can be changed in this condition,but resistanceasymmetric parameter ρ cannot be changed.The"ripple"phenomenon of circulating current can disappea...