0000000000866249

AUTHOR

Boris Zhilinskii

showing 3 related works from this author

Analysis of the "Unusual" Vibrational Components of Triply Degenerate Vibrational Mode nu(6) of Mo(CO)(6) Based on the Classical Interpretation of th…

2001

Rotational structure of the triply degenerate vibrational state nu(6)(F(1u)) of the octahedral molecule Mo(CO)(6) is analyzed qualitatively on the basis of classical mechanics. We show that the energy level redistribution between the vibrational components of nu(6)(F(1u)) occurs due to rotational excitation and is related to the formation of singular points of classical rotational energy surfaces. The singularity is stable under small variations of parameters of the effective rovibrational Hamiltonian. Parameters responsible for the persistence of this phenomenon are specified. Comparison with quantum calculations demonstrates the high qualitative and quantitative accuracy of our classical …

PhysicsDegenerate energy levelsRotational–vibrational spectroscopyMolecular physicsAtomic and Molecular Physics and OpticsRotational energyVibrationsymbols.namesakeSingularityQuantum mechanicssymbolsPhysical and Theoretical ChemistryHamiltonian (quantum mechanics)QuantumSpectroscopyExcitationJournal of molecular spectroscopy
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Rotational-vibrational relative equilibria and the structure of quantum energy spectrum of the tetrahedral molecule P4

2001

We find relative equilibria (RE) of the rotating and vibrating tetrahedral molecule P4 and study the correspondence of these RE's to the extremal quantum states in the vibration-rotation multiplet and to the extrema of the semi-quantum rotational energy surfaces obtained for a number of excited vibrational states. To compute the energy of RE's we normalize the full rotation-vibration Hamiltonian H of P4 in the approximation of nonresonant modes ν E 2 and ν F_2 3 and find the stationary points of the resulting normal form (known as reduced effective Hamiltonian H eff ) which is defined on the reduced phase space CP 2 × CP 1 × S 2 . Most of these points are fixed points of the symmetry group …

PhysicsTetrahedral molecular geometrySymmetry groupDiatomic moleculeAtomic and Molecular Physics and OpticsRotational energysymbols.namesakePhase spaceQuantum mechanicsExcited statesymbolsEnergy levelAtomic physicsHamiltonian (quantum mechanics)The European Physical Journal D
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Organization of Quantum Bifurcations: Crossover of Rovibrational Bands in Spherical Top Molecules

1989

Qualitative changes in the rotational structure of a finite particle quantum system are studied. The crossover phenomenon is explained from the point of view of consecutive quantum bifurcations. The generic organization of bifurcations is related to the stratification of the space of dynamical variables imposed by the invariance group of the Hamiltonian.

Physicssymbols.namesakeClassical mechanicsCrossoverQuantum systemsymbolsGeneral Physics and AstronomyMoleculeRotational–vibrational spectroscopyHamiltonian (quantum mechanics)QuantumBifurcationEurophysics Letters (EPL)
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