Periodic orbits 22 Eigenvalues and eigenfunctions 16 Chaos theory 8 Atomic physics 6 CAOS CUANTICO 6 Phase space methods 6 QUANTUM CHAOS 6 Quantum maps 6 Quantum optics 6 Quantum theory 6 Resonance 6 SCARS 6 Boyland theorem 4 Braids 4 Chaotic systems 4 Fourier transforms 4 Geometry 4 Lasers 4 Numerical evidence 4 Open quantum systems 4 Partial differential equations 4 Phase spaces 4 Poincare maps 4 Quantum electronics 4 Semiclassical theories 4 Spectrum analysis 4 Statistical mechanics 4 Three dimensional 4 Topological entropy 4 Topology 4