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Showing 1 to 3 of 3 for “"Quartic terms"”.
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String field theory and tachyon dynamics
… We use this marginal operator to test the quartic structure of CSFT and the feasibility of level expansion. We check the vanishing of the effective potential for a. In the level expansion the quartic terms generated by the cubic interactions must be canceled by the elementary quartic …
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Molecular dynamics calculation of mean square displacement in alkali metals and rare gas solids and comparison with lattice dynamics
… and the lowe s t order anharmonic (cubic and quartic) contributions to the mean square displacement were performed for the same potential models as in the molecular dynamics calculations. The Brillouin zone sums arising in the harmonic and the quartic terms were computed for very large numbers …
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EPR of powders, crystals, and clays of MRI contrast agents: zero field splitting and proton relaxation
… of the static ZFS of Gd DOTA including quartic terms. This knowledge will help in analyzing the effectiveness of current CA’s and in developing future Gd CA’s. In a second project, Gd DTPA has been intercalated into layered double hydroxides (LDHs) of magnesium and aluminum salts for …