Rates of Nuclear Fusion in Metal Hydrides

概要

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Hydrogen nuclei in metal hydrides have a dual character of quantum solids trappedbetween the metal-lattice sites and of semiclassical itinerant particles diffusivethrough them. First-principles calculations are presented for the pycnonuclear reaclion rates in binary-ionic mixture solids and for the thermonuclear reaction ratesenhanced by quantum and classical many-body effects in itinerant hydrogen. The Ratter effects are elucidated through an elaborate Monte Carlo simulation study forshort-range correlations between itinerant hydrogen, interacting via electron-screenedrepulsive forces, in periodic and aperiodic (due to defects) lattice fields of metalhydrides. We find that the screening potentials and the resultant fusion rates dependextremely sensitively on microscopic details in the lattice fields, corroboratingqualitatively the varied results in recent "cold fusion" experiments.
社団法人日本物理学会の論文
1990-11-15