Hyperbolicity of the trace map for the weakly coupled Fibonacci Hamiltonian

被引:34
作者
Damanik, David [1 ]
Gorodetski, Anton [2 ]
机构
[1] Rice Univ, Dept Math, Houston, TX 77005 USA
[2] Univ Calif Irvine, Dept Math, Irvine, CA 92697 USA
关键词
HAUSDORFF DIMENSION; LIMIT CAPACITY; SPECTRUM;
D O I
10.1088/0951-7715/22/1/007
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We consider the trace map associated with the Fibonacci Hamiltonian as a diffeomorphism on the invariant surface associated with a given coupling constant and prove that the non-wandering set of this map is hyperbolic if the coupling is sufficiently small. As a consequence, for these values of the coupling constant, the local and global Hausdorff dimension and the local and global box counting dimension of the spectrum of the Fibonacci Hamiltonian all coincide and are smooth functions of the coupling constant.
引用
收藏
页码:123 / 143
页数:21
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