Weyl symbol;
metaplectic operators;
Maslov and Conley-Zehnder index;
Gutzwiller formula;
D O I:
10.1007/s11005-005-4391-y
中图分类号:
O4 [物理学];
学科分类号:
0702 ;
摘要:
We study the Weyl representation of metaplectic operators associated to a symplectic matrix having no non-trivial fixed point, and justify a formula suggested in earlier work of Mehlig and Wilkinson. We give precise calculations of the associated Maslov-type indices; these indices intervene in a crucial way in Gutzwiller's formula of semiclassical mechanics, and are simply related to an index defined by Conley and Zehnder.