Gao, J.; Delos, J. B. Quantum manifestations of bifurcations of closed orbits in the photoabsorption spectra of atoms in electric fields. Phys. Rev. A. 1997, 56 (1): 356–364. Bibcode:1997PhRvA..56..356G. doi:10.1103/PhysRevA.56.356.
Founargiotakis, M.; Farantos, S. C.; Skokos, Ch.; Contopoulos, G. Bifurcation diagrams of periodic orbits for unbound molecular systems: FH2. Chemical Physics Letters. 1997, 277 (5–6): 456–464. Bibcode:1997CPL...277..456F. doi:10.1016/S0009-2614(97)00931-7.
Monteiro, T. S. & Saraga, D. S. Quantum Wells in Tilted Fields:Semiclassical Amplitudes and Phase Coherence Times. Foundations of Physics. 2001, 31 (2): 355–370. doi:10.1023/A:1017546721313.
Galan, J.; Freire, E. Chaos in a Mean Field Model of Coupled Quantum Wells; Bifurcations of Periodic Orbits in a Symmetric Hamiltonian System. Reports on Mathematical Physics. 1999, 44 (1–2): 87–94. Bibcode:1999RpMP...44...87G. doi:10.1016/S0034-4877(99)80148-7.
Kleppner, D.; Delos, J. B. Beyond quantum mechanics: Insights from the work of Martin Gutzwiller. Foundations of Physics. 2001, 31 (4): 593–612. doi:10.1023/A:1017512925106.
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Gao, J.; Delos, J. B. Quantum manifestations of bifurcations of closed orbits in the photoabsorption spectra of atoms in electric fields. Phys. Rev. A. 1997, 56 (1): 356–364. Bibcode:1997PhRvA..56..356G. doi:10.1103/PhysRevA.56.356.
Founargiotakis, M.; Farantos, S. C.; Skokos, Ch.; Contopoulos, G. Bifurcation diagrams of periodic orbits for unbound molecular systems: FH2. Chemical Physics Letters. 1997, 277 (5–6): 456–464. Bibcode:1997CPL...277..456F. doi:10.1016/S0009-2614(97)00931-7.
Galan, J.; Freire, E. Chaos in a Mean Field Model of Coupled Quantum Wells; Bifurcations of Periodic Orbits in a Symmetric Hamiltonian System. Reports on Mathematical Physics. 1999, 44 (1–2): 87–94. Bibcode:1999RpMP...44...87G. doi:10.1016/S0034-4877(99)80148-7.