The answer is yes if the atoms are excited and take the form of dipoles. Cheers: Axil
On Thu, Feb 28, 2013 at 4:59 PM, David Roberson <[email protected]> wrote: > FANO? Is that a yes to my question? > > Dave > > > -----Original Message----- > From: Axil Axil <[email protected]> > To: vortex-l <[email protected]> > Sent: Thu, Feb 28, 2013 4:47 pm > Subject: Re: [Vo]:Explaining Cold fusion -IV > > I wonder if a free atom in space exhibits a resonance of this nature? > > Look into the FANO resonance. > > Cheers: Axil > > On Thu, Feb 28, 2013 at 4:44 PM, David Roberson <[email protected]>wrote: > >> Because it is just wrong! Kidding Robin. Now I am confused a bit, are >> you calculating that if I displaced an atom by a tiny amount and let go of >> it that it would begin to vibrate at that frequency as the energy damped >> out? Maybe so, I was not thinking of that process. I assumed that you >> were figuring out the vibrations due to the temperature of the metal. If >> what you calculated is accurate then an incoming photon of that frequency >> would easily be absorbed by one of the atoms and start it vibrating in >> place. Do you have any idea of how high the Q of the resonance would be? >> You might find that energy is stolen away by the nearby atoms quickly. >> >> It would be interesting if you could calculate a similar resonant >> frequency for the motion of just the nucleus. Displace it slightly and >> allow it to wiggle back and forth within its electron cloud that is >> somewhat confined by the atoms surrounding it. I wonder if a free atom in >> space exhibits a resonance of this nature? One might think that in free >> space that the electrons would compensate for the nucleus movement so >> quickly that it would immediately radiate the energy. >> >> Dave >> >> >> -----Original Message----- >> From: mixent <[email protected]> >> To: vortex-l <[email protected]> >> Sent: Thu, Feb 28, 2013 3:05 pm >> Subject: Re: [Vo]:Explaining Cold fusion -IV >> >> In reply to David Roberson's message of Wed, 27 Feb 2013 20:31:29 -0500 >> (EST): >> Hi, >> [snip] >> >>I may have calculated incorrectly, but I get a base resonant frequency for >> >>the >> >Ni atom in it's lattice of something like 4E11 Hz. This is obviously way >> >more >> >than normal sound, but matches a photon frequency just below the bottom of >> >the >> >IR, meaning that THz frequency thermal photons should be able to excite it >> >readily. >> >[snip] >> >Regards, >> > >> >Robin van Spaandonk >> > >> >http://rvanspaa.freehostia.com/project.html >> >You must be off in that calculation for some reason. The kinetic energy >> >due to >> temperature should give you a direct measure of the velocity. >> >Dave >> > >> > >> What does the velocity due to thermal energy have to do with the resonant >> frequency of atoms in the lattice? The atoms are in a rigid lattice. That >> means >> that at least for small deviations from their current location, they are >> harmonic oscillators. I derived the spring constant from the energy required >> to >> cause the lattice to melt and the normal atomic spacing. Then I derived the >> fundamental frequency from the spring constant and the mass of a Ni atom. The >> frequency I got was 4E11 Hz. >> >> Why is this wrong? >> >> Regards, >> >> Robin van Spaandonk >> http://rvanspaa.freehostia.com/project.html >> >> >
