MOLECULES ROTATING IN ELECTRIC FIELDS BY QUANTUM AND SEMI-QUANTUM MECHANICS

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Abstract

The quantum and semi-quantum mechanics of rigid molecules rotating in static electric and intense nonresonant laser fields have been studied. Basic quantum features including energy level correlation diagrams, eigenfunctions, alignment, orientation, and time-dependent wave functions propagated under pulsed fields are calculated. Energy level nearest neighbor spacing disributions are the primary semi-quantum approach, but Husimi distributions, periodic orbits, and monodromy diagrams are also investigated. We have elucidated these facets of the quantum-classical correspondence in this important rotational model, which is classically nonscaling with mixed phase space.

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My academic committee consisted of Greg Ezra (advisor), Ben Widom, and Paul Houston, all in the Department of Chemistry and Chemical Biology.
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2005-07-27
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quantum mechanics; rotation; rotors; laser; electric field; semiclassical; semiquantum; monodromy; nearest neighbor; NNS; NNSD; Husimi; periodic orbit; symplectic; orientation; alignment; pulsed laser
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Government Document
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dissertation or thesis
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