Ps2- in a magnetic field : structure and stability in the M=0 state.

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dc.contributor.advisorVarga, Kálmán, 1963-
dc.contributor.authorTregoning, Brett
dc.date.accessioned2016-05-02T18:02:18Z
dc.date.available2016-05-02T18:02:18Z
dc.date.issued2016-05-02
dc.description.abstractThe energy of the Ps2- (three electrons and two positrons or vice versa) system and all possible fragmentations are calculated in a magnetic field in their M=0 states using the stochastic variational method with a deformed correlated Gaussian basis set. The stability of the system at various field strengths is assessed through comparison of the system's energy to the threshold energy. Examination of the single particle and pairwise densities is also employed for assessment of stability. The structure of the system is examined through calculation of distances between the charged particles. The M=0 state of Ps2- is found to be stable in fields greater than 0.01 a.u.en_US
dc.description.collegeCollege of Arts and Scienceen_US
dc.description.departmentDepartment of Physics and Astronomyen_US
dc.description.schoolVanderbilt Universityen_US
dc.description.sponsorshipNational Science Foundationen_US
dc.identifier.urihttp://hdl.handle.net/1803/7562
dc.language.isoen_USen_US
dc.peerreviewedYesen_US
dc.publisherVanderbilt University. Dept. of Physics and Astronomy
dc.rightsCC0 1.0 Universal*
dc.rights.urihttp://creativecommons.org/publicdomain/zero/1.0/*
dc.subjectpositroniumen_US
dc.subjectfew-body problemsen_US
dc.subjectmagnetic fielden_US
dc.subjectvariational methoden_US
dc.subjectstochastic variational methoden_US
dc.subjectdeformed correlated gaussiansen_US
dc.subject.lcshPositroniumen_US
dc.subject.lcshFew-body problemen_US
dc.subject.lcshMagnetic fieldsen_US
dc.subject.lcshGaussian processesen_US
dc.subject.lcshStochastic processesen_US
dc.subject.lcshRandom variablesen_US
dc.titlePs2- in a magnetic field : structure and stability in the M=0 state.en_US
dc.typeThesisen_US

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