On Feb 22, 7:09 pm, Luke Campbell <lwc...@[EMAIL PROTECTED]
> wrote:
> You are considering absorption, but two other physical processes must
> also be available when absorption can happen. These are spontaneous
> emission and stimulated emission. In this case, spontaneous emission
> would mean the atom could jump to a higher energy state and emit a
> negative energy photon without any outside interference. Stimulated
> emission means that if negative energy photons can interact with the
> atom, they can make it transition to a higher energy state and emit
> more negative energy photons.
Interesting. About the spontenous emission and the stimulated
emission: I thought that when the negphoton interact with the
electron, it would make it try to jump to a LOWER energy state... if
it's not in the ground state i think.
>
> If a beam of negative energy light struck cold matter (that is, most
> of the atoms and molecules were in their ground state), it would
> stimulate them to produce more negative energy light, raising the
> energy of the matter and amplifying the light beam.
What this means exacly? The light beam would be amplified in every
interaction forever? o.O
>This would form
> the gain medium of a negative energy laser. Far from freezing matter,
> it would end up heating the matter.
Wow neat! Actually that blows my entire idea about the freezing death
beam to the realm of nothingness, but is neat anyway. Do you know why
all the internet references state that the beam would cool the target?
Since you are a condensed matter physicist you are problably right
about your conclusions, and it's a shame that the scientific american
let this pass unnoticed. *sigh*
Anyway, if such a negative energy light could be produced, could it
have any utility (apart from being an excelent way to give me
headaches)?
> Of course, it would be difficult to keep matter in its ground state,
> since it would spontaneously gain energy while radiating negative
> energy light, then lose energy by radiating positive energy light.
>
> Scattering (including reflection) of negative energy light would
> transfer momentum to the matter from the light. For incoherent
> scattering, this momentum transfer will be in a random direction,
> adding "disorder" (entropy) to the system and thus heating it.
>
> Luke
Filipe
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