Great progress has been made after 14 year of experiments with the gas-loading D/Pd system. 6 watts of "excess heat" were generated in a gas-loaded D/Pd system for 9 hours continuously. This experiment has been repeated 6 times already in various configurations. The "excess power" density in the Pd disk is more than 100 W per cubic centimeter, which is about the power density in a fuel rod of a thermal neutron fission reactor.
The wave property of deuterons and the periodicity of the lattice introduce the coherences in various aspects of the interaction between the deuterons and the lattice. Multiple scattering of deuterium wave function inside a super-lattice would manifest itself through an example where the coefficients of the reflection, penetration,and absorption are calculated while a deuterium flux permeates through a palladium foil coated with alternative layers of titanium carbide and palladium. When the resonance condition is satisfied,the maximized total absorption coefficient might be greater than 50 %,even if the absorption coefficient of each single layer is only less than 1%。
A simple 1-d i me n s i o n a l mo d e l i s u s e d t o i l l u s t r a t e " s u p e r-a b s o r p t i o n " i n a c r y s t a l l a t t i c e. T h e WKB me t h o d is applied to calculate the reflection rate and the transmission rate for a single cell. Then matrix algebra is manipulated to give the relation between the single cell and an array of N cells. The selective resonant tunneling in this array of N cells is discussed, and the dependence of the absorption rate on the number of the cells is calculated to show the difference between coherent and non-coherent systems.
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