双分子-单分子反应模型(DM模型)中的噪声和延迟诱导相变

来源 :第二届全国统计物理与复杂系统学术会议暨第七届海峡两岸统计物理研讨会 | 被引量 : 0次 | 上传用户:blaze1982
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  建立含有噪声和时间延迟反馈的DM模型.应用小延迟近似,我们构建随机延迟微分方程和它的Fokker-Planck方程去描述DM模型的稳态变化.结果表明:噪声仅仅能诱导DM模型中一级相变,而噪声和时间延迟的结合能同时诱导DM模型中一级和二级相变.因此,考虑噪声和时间延迟影响后,DM模型中一级和二级相变点的理论预测值(Ys1=0.389和Ys2=0.5175)和模拟值(文献Phys.Rev.Lett.56 (1986)2553中Y1=0.389±0.005和Y2=0.525±0.001)比较吻合.从这个意义上说,DM模型中一级和二级相变可以看作是噪声和延迟诱导的相变.
其他文献
  Generally, strong intracycle memory is evident from the profile of the sunspot numbers and hence forecasting activities within an ongoing cycle is successfu
  Bleher, Ott and Grebogi found numerically an interesting chaotic phenomenon in 1989 for the scattering of a particle in a plane from a potential field with
  以一类包含离子通道效应的神经元模型在二维空间构建规则网络,研究神经元网络中各类螺旋波的形成过程和诱发机制.1)以分布式电流刺激网络中神经元,发现在一定条件下,网络中
  Financial markets are dynamic systems with complex interactions, which share common features in various aspects with those in traditional physics.In recent
  Protein assumes specified conformations from their chemical compositions or sequences to develop biological activity and functional specificity.The correspo
  在这篇论文中,我们研究了考虑自然死亡和非自然死亡的空间囚徒困境博弈。与此同时,我们假设在博弈中的个体采用的是混合策略。自然死亡和非自然死亡的引入能够对动物社会和
  We find that an intrinsic curvature affects greatly the mechanical property of a semiflexible biopolymer.We model the semiflexible biopolymer as an elastic
  We use the size gap of the largest cluster in a network to study the phase transition of network evolution.From the finite-size effects of the largest size
  The flow of current through an ionic channel is studied using the energetic variational approach of Liu applied to the primitive (implicit solvent) model of
  关于small RNA协调原核生物和真核生物的基因表达的复杂的网络研究已经呈现爆炸性成长,遗传信息由DNA到RNA再到蛋白质的过程的中心思想(Central dogma)已为一般分子生物