The asymmetric effects on the escape rates from the stable states x±in the bistable system are analyzed. The results indicate that the multiplicative noise and the additive noise always enhance the particle escap...The asymmetric effects on the escape rates from the stable states x±in the bistable system are analyzed. The results indicate that the multiplicative noise and the additive noise always enhance the particle escape from stable states x±of bistable.However,the asymmetric parameter r enhances the particle escape from stable state x_+,and holds back the particle escape from stable state x_-.展开更多
本文根据Suzuki and Munakata的新的效率定义,研究了两耦合布朗马达在非对称周期性闪烁棘轮和摇摆棘轮中的整流效率.这里,力是非对称的无偏外力,闪烁是无偏非对称的闪烁,模拟了复杂外界环境下分子马达的运动,根据结果可以看出传统效率...本文根据Suzuki and Munakata的新的效率定义,研究了两耦合布朗马达在非对称周期性闪烁棘轮和摇摆棘轮中的整流效率.这里,力是非对称的无偏外力,闪烁是无偏非对称的闪烁,模拟了复杂外界环境下分子马达的运动,根据结果可以看出传统效率定义中效率随流的线性变化关系在新效率定义下发生了变化,同时通过闪烁棘轮和摇摆棘轮单一分子马达与两耦合布朗马达的流和效率曲线,讨论了非对称参数对有结构分子马达定向输运的影响.展开更多
基金Supported by the Natural Science Foundation of China under Grant No.10865006the Natural Science Foundation of Shaanxi Province under Grant No.2010JQ1014the Science Foundation of Baoji University of Science and Arts of China under Grant No.ZK0954
文摘The asymmetric effects on the escape rates from the stable states x±in the bistable system are analyzed. The results indicate that the multiplicative noise and the additive noise always enhance the particle escape from stable states x±of bistable.However,the asymmetric parameter r enhances the particle escape from stable state x_+,and holds back the particle escape from stable state x_-.
文摘本文根据Suzuki and Munakata的新的效率定义,研究了两耦合布朗马达在非对称周期性闪烁棘轮和摇摆棘轮中的整流效率.这里,力是非对称的无偏外力,闪烁是无偏非对称的闪烁,模拟了复杂外界环境下分子马达的运动,根据结果可以看出传统效率定义中效率随流的线性变化关系在新效率定义下发生了变化,同时通过闪烁棘轮和摇摆棘轮单一分子马达与两耦合布朗马达的流和效率曲线,讨论了非对称参数对有结构分子马达定向输运的影响.