Variance minimization variational Monte Carlo method

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dc.creatorKhan, Imran
dc.creatorGao, Bo
dc.date2007-01-19
dc.date.accessioned2026-07-07T07:41:59Z
dc.date.available2026-07-07T07:41:59Z
dc.descriptionWe present a variational Monte Carlo (VMC) method that works equally well for the ground and the excited states of a quantum system. The method is based on the minimization of the variance of energy, as opposed to the energy itself in standard methods. As a test, it is applied to the investigation of the universal spectrum at the van der Waals length scale for two identical Bose atoms in a symmetric harmonic trap, with results compared to the basically exact results obtained from a multiscale quantum-defect theory.
dc.description5 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/physics/0701223
dc.identifierhttp://arxiv.org/abs/physics/0701223
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/122322
dc.subjectComputational Physics
dc.subjectAtomic Physics
dc.titleVariance minimization variational Monte Carlo method
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