Titlebook: Classical, Semiclassical and Quantum Dynamics in Atoms; Harald Friedrich,Bruno Eckhardt Conference proceedings 1997 Springer-Verlag Berlin

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Classical orbits and quantum waves in natural atoms and in designer atoms,bsorption spectra of atoms in electric or magnetic fields. Interference is associated with waves that travel out from the atom and later return to it. Closely-related interference patterns are found in measurements of the conductance of a microscopic junction (or “designer atom”). In this latter cas

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Periodic orbit spectra of simple atoms,ansion of quantum spectra. The semiclassical expression for the spectral density (Gutzwiller’s trace formula) can be viewed as a Fourier expansion in terms of classical (quasi) periodic orbits. Inverse Fourier transform of the full quantum spectral density therefore not only gives the PO spectrum in

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https://doi.org/10.1007/978-3-540-88353-1zwiller-Voros semiclassical zeta function preferable in practice to the quasiclassical zeta function presented here. The cumulant expansion of the exact quantum mechanical scattering kernel and the cycle expansion of the corresponding semiclassical zeta function part ways at a threshold given by the

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Quantum fluids and classical determinants,zwiller-Voros semiclassical zeta function preferable in practice to the quasiclassical zeta function presented here. The cumulant expansion of the exact quantum mechanical scattering kernel and the cycle expansion of the corresponding semiclassical zeta function part ways at a threshold given by the

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