New preprint on D-D LENR in metal deuterides

"Quantum Tunneling in Breather ‘Nano-colliders’ " - http://arxiv.org/ftp/arxiv/papers/1503/1503.09119.pdf

ABSTRACT
In many crystals with sufficient anharmonicity, a special kind of lattice vibrations, namely, discrete breathers (DBs) can be excited either thermally or by external triggering, in which the amplitude of atomic oscillations greatly exceeds that of harmonic oscillations (phonons). Coherency and persistence of large atomic oscillations in DBs may have drastic effect on quantum tunneling due to correlation effects discovered by Schrödinger and Robertson in 1930. These effects have been applied recently to the tunneling problem by Vysotskii et al, who demonstrated a giant increase of sub-barrier transparency during the increase of correlation coefficient at special high-frequency periodic action on quantum system. In the present paper, it is argued that DBs present the most natural and efficient way to produce correlation effects due to time-periodic modulation of the potential well width (or the Coulomb barrier width) and hence to act as breather ‘nano-colliders’ (BNC) triggering [lexicon]low energy nuclear reactions[/lexicon] (LENR) in solids. Tunneling probability for deuterium (D-D) fusion in ‘gap DBs’ formed in metal deuterides is shown to increase with increasing number of oscillations by ~190 orders of magnitude resulting in the observed LENR rate at extremely low concentrations of DBs. Possible ways of engineering the nuclear active environment based on the present concept are discussed.

Alain,

I think the NAE is not necessarily unique. The author states (p.2) -
"formation of coherent correlated states (CCS) under time-periodic action on a particle in the parabolic potential"

Then he goes on to the key point (pp. 2-3) -
"The physical reason for the huge increase in barrier transparency for a particle in a CCS is the co-phasing of
all fluctuations of the momentum for various eigenstates forming the superpositional correlated state, which
leads to great dispersion of momentum and large fluctuations of kinetic energy of a particle in the potential well.
A CCS can be formed in various quantum systems. The most natural way to form such state is to place a particle
in a non-stationary potential well. "

Note that he claims that the waveform of the stationary state is shaped by the external excitation in such a
way that energy is shifted into the high momentum/energy waveform tails - even though the mean energy is
still relatively modest.

A couple of related papers are -
"Tunneling of slow quantum packets through the high Coulomb barrier"
http://arxiv.org/pdf/1402.3837.pdf
"TRANSMISSION OF CORRELATED GAUSSIAN PACKETS THROUGH A DELTA-POTENTIAL"
http://arxiv.org/pdf/1401.4160v1.pdf

Alain,

Good points.

It looks like the boundaries separating competing theories is becoming fuzzy.
Maybe they will converge.