Here I propose to cosnsider classical autonomous systems with f degrees of freedom and 2 f pairs of canonical variables p i , q i . We shall meet with invariant tori, caustics, and Maslov indices and proceed to the semiclassical torus quantization à la Einstein, Brillouin and Keller (EBK) and its modern variant, a periodic-orbit theory.
CITATION STYLE
Haake, F. (2001). Level Clustering (pp. 119–139). https://doi.org/10.1007/978-3-662-04506-0_5
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