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Ion properties from high-L Rydberg atom spectroscopy: applications to nickel

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dc.contributor.authorWoods, Shannon L., author
dc.contributor.authorLundeen, Stephen R., advisor
dc.contributor.authorKrueger, David A., committee member
dc.contributor.authorGelfand, Martin P., committee member
dc.contributor.authorKrummel, Amber T., committee member
dc.date.accessioned2007-01-03T08:26:29Z
dc.date.available2007-01-03T08:26:29Z
dc.date.issued2012
dc.description.abstractAn effective potential model describing high-L Rydberg states was systematically derived. The model assumes that the response of the core ion to the electric field of the Rydberg electron is at least approximately adiabatic; in other words, the excitation energies of the core ion are large compared to the typical energies of the Rydberg levels. The resulting model should describe a wide variety of high-L Rydberg systems. It can be used, in combination with experimental measurements of fine structure patterns, to extract measurements of core ion properties that control long-range interactions between the core and the Rydberg electron. These include permanent electric and magnetic moments, and electric polarizabilities. As an example application of the model, the fine structure pattern in n = 9 Rydberg levels of nickel was measured using the Microwave Resonant Excitation Stark Ionization Spectroscopy (RESIS) method. Properties of the 2D5/2 ground state of Ni+ extracted from these measurements include quadrupole and hexadecapole moments Q = -0.4705(2) a.u. and ∏ = 0.27(9) a.u., scalar and tensor dipole polarizabilities αD,0 = 7.925(10) a.u. and αD,2 = 1.043(33) a.u., and scalar quadrupole polarizability αQ,0 = 71(9) a.u. In addition, evidence for a permanent magnetic octupole moment of Ni+ was seen, parameterized by the coefficient CM3 = -0.346(57) a.u.
dc.format.mediumborn digital
dc.format.mediumdoctoral dissertations
dc.identifierWoods_colostate_0053A_11407.pdf
dc.identifierETDF2012500344PHYS
dc.identifier.urihttp://hdl.handle.net/10217/71603
dc.languageEnglish
dc.language.isoeng
dc.publisherColorado State University. Libraries
dc.relation.ispartof2000-2019
dc.rightsCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.
dc.subjecteffective potential model
dc.subjectresonance ionization spectroscopy
dc.subject.lcshRydberg states
dc.titleIon properties from high-L Rydberg atom spectroscopy: applications to nickel
dc.typeText
dcterms.rights.dplaThis Item is protected by copyright and/or related rights (https://rightsstatements.org/vocab/InC/1.0/). You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).
thesis.degree.disciplinePhysics
thesis.degree.grantorColorado State University
thesis.degree.levelDoctoral
thesis.degree.nameDoctor of Philosophy (Ph.D.)

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