https://journals.aps.org/prd/abstract/10.1103/PhysRevD.98.124043

Bosons falling into a black hole: A superfluid analogue

Ultra dense hydrogen is a superfluid as Holmlid describes. A superfluid as
a Bose condensate acts like a black hole. As such, a superfluid most likely
will generate hawking radiation. This is were the connection to the "dynamical
Casimir effect" comes from.

On Mon, Feb 25, 2019 at 9:11 AM Jones Beene <[email protected]> wrote:

> Robin
>
> Here is a thesis of interest on the "dynamical Casimir effect" where the
> force is converted into energy. There are others in the following cite -
> this is a relatively hot topic at Universities.
>
> http://publications.lib.chalmers.se/records/fulltext/206176/206176.pdf
>
> https://www.technologyreview.com/s/428648/engineers-unveil-first-casimir-chip-that-exploits-the-vacuum-energy/
>
> Curiously, this particular thesis comes from another respected University
> located in Holmlid's home town. Aside from that coincidence, there is no
> obvious connection between the two. It was mentioned as a possible way that
> laser power could become amplified (as was the "grape" metaphor)...
> grasping at straws, as it were.
>
> [email protected] wrote:
>
> >> Why would the Casimir force have a maximum, and why would it be 2 nm?
>
> >This comes from actual measurement in the laboratory, usually stated as
> 2-10 nm with the peak at the lesser value.
> >Why? Above my pay grade.  It has to do with "vacuum expectation value"
> and other intricacies of nature.
>
> I suspect this was the smallest separation distance at which they could
> measure
> the force, not any theoretical value. Although, perhaps it has to do with
> the
> fact that surfaces become uneven at the atomic level?
>
>
>

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