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NONEXPONENTIAL DEPHASING IN QUANTUM MECHANICAL SYSTEMS

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/19915

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Title: NONEXPONENTIAL DEPHASING IN QUANTUM MECHANICAL SYSTEMS
Creators: Wong, V.; Gruebele, M.
Issue Date: 2000
Abstract: Power law dephasing of quantum systems at intermediate times is investigated. The Hamiltionians of systems whose survival probabilities exhibit ideal power law behavior are found to contain strong correlations when cut into a 'golden rule' representation. Quantum dynamics simulations of molecules generated from a local random matrix model have produced survival probabilities with power law decays. Correlations of the type observed for the case of ideal power laws are also seen for these molecules. Decoherence of spin boson systems are also found to display power law behavior.
URI: http://hdl.handle.net/1811/19915
Other Identifiers: 2000-TI-10
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