Clustering of Periodic Orbits and Ensembles of Truncated Unitary Matrices
Clustering of Periodic Orbits and Ensembles of Truncated Unitary Matrices
复制标题
周期轨道的聚类和截断酉矩阵的系综
DOI:
10.1007/s10955-013-0859-9
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发表时间:
2013
影响因子:
1.6
通讯作者:
V.Al. Osipov
中科院分区:
文献类型:
--
作者:
B. Gutkin;V.Al. Osipov
In present article we consider a combinatorial problem of counting and classification of periodic orbits in dynamical systems on an example of the baker’s map. Periodic orbits of a chaotic system can be organized into a set of clusters, where orbits from a given cluster traverse approximately the same points of the phase space but in a different time-order.We show that counting of cluster sizes in the baker’s map can be turned into a spectral problem for matrices from truncated unitary ensemble (TrUE). We formulate a conjecture of universality of the spectral edge in the eigenvalues distribution of TrUE and utilize it to derive asymptotics of the second moment of cluster distribution in the regime when both the orbit lengths and the parameter controlling closeness of the orbit actions tend to infinity. The result obtained allows to estimate the size of average cluster for various numbers of encounters in periodic orbit.
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