FYI: The presence of excess heat, and [near] lack of high-E particles/photons from LENR reactions would require coupling the large amount of E into the lattice vibrations (phonon modes) instead of into gammas (photons) or particles (neutrons and subsequently, dead grad-students). The article below looked into the energy-transfer (coupling) process in photosynthesis. They discovered that the coupling between electronic states and vibrational modes is greatly enhanced when they hit the light-harvesting complexes of algae with a 2-color (wavelength) photon spectroscopy.
How does this apply to LENR? According to DGT, the form of LENR used in their technology (and likely all Ni-H gas-phase experiments) is a 'multi-stage' process. One of those stages is the coupling of the excess [nuclear] energy into the lattice instead of the usual gammas or energetic particles. I would posit that there is something unique about the geometry of the H-loaded metal lattice and the AMOUNT of heat energy that is present which determines the frequency of the lattice vibrations (phonons), which establishes a coherence similar to the below article which couples energy from electronic states to vibrational modes. The difference is that LENR would be coupling nuclear energies to the lattice... or could there be coupling from nuclear to electronic, and then from electronic to phononic? PhysOrg article: http://www.physorg.com/news/2012-01-role-quantum-effects-photosynthesis.html Key phrases: "By using the newer, less common technique, called two-color photon echo spectroscopy, the researchers could excite only the pathway in which [quantum] coherence occurs. Singling out this pathway revealed clear signatures for strong coupling between the electronic states and the vibrational modes of the protein matrix (phonons)" "Our observation of strong coupling between the electronic states and the phonon modes of the protein matrix provides strong experimental evidence that classical treatment of these interactions is not sufficient," >From the paper's abstract: "... allowing coherent coupling between otherwise nonresonant transitions." which is here: http://pubs.acs.org/doi/abs/10.1021/jz201600f Longer excerpt from PhysOrg article: ------------------------------------ "... the quantum coherence in the algae's light-harvesting complexes was originally observed using 2D electronic spectroscopy, which uses short, broadband pulses to probe energy dynamics. The use of broadband pulses (i.e., pulses with a wide range of frequencies) excites many different pathways simultaneously. Although this technique can be useful, it also makes it difficult to isolate different processes since multiple excitations can interact and alter each other's dynamics. By using the newer, less common technique, called two-color photon echo spectroscopy, the researchers could excite only the pathway in which [quantum] coherence occurs. Singling out this pathway revealed clear signatures for strong coupling between the electronic states and the vibrational modes of the protein matrix (phonons) in the algae's light-harvesting complexes. As Davis explained, this type of interaction is not what is expected from the classical models that have traditionally been used to describe light harvesting and energy transfer in photosynthesis. "Our observation of strong coupling between the electronic states and the phonon modes of the protein matrix provides strong experimental evidence that classical treatment of these interactions is not sufficient, and that models including the microscopic details of the coupling interactions are indeed required," Davis said. "The quantum nature of these interactions increases the scope for quantum effects to have an impact and enhances the possibility of coherent energy transfer in photosynthesis." In the future, the researchers plan to further extend the technique to investigate these quantum mechanical interactions and the role they play in light harvesting and energy transfer. "We are currently exploring the dependence of these coherent interactions on a number of experimental parameters, including temperature, wavelength and polarization," Davis said. "These results will enable us to explore the nature of the excited states, their interactions with the phonon modes of the protein matrix and the role they play in energy transfer. We also plan to investigate whether such long-lived coherences also exist between other states in these systems and ultimately whether coherence transfer between states occurs and is relevant for photosynthesis." ------------------------------------
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