Kugelblitzes may not be possible after all

[HebaruSan]

https://physics.aps.org/articles/v17/119

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The formation of a black hole from light is possible according to general relativity because mass and energy are equivalent, so the energy in an electromagnetic field can also curve spacetime. Putative electromagnetic black holes have become popularly known as kugelblitze

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the electromagnetic-field strengths thought to be necessary would generate many quantum particles, as highly concentrated photons may disintegrate spontaneously into electron–positron pairs in a process called the Schwinger effect. 

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Polo-Gómez and colleagues find that the Schwinger effect does indeed dissipate the energy of the electromagnetic field before a kugelblitz can form for all sizes between 10⁻²⁹ and 10⁸ m.

 

[magnemoe]

30 minutes ago, HebaruSan said:

https://physics.aps.org/articles/v17/119

 

10^8 is 100.000 km. Way larger than stellar black holes who I assume is smaller than neutron stars or 10.000 km. 

[kerbiloid]

One more dream is broken.

[Terwin]

18 hours ago, magnemoe said:

10^8 is 100.000 km. Way larger than stellar black holes who I assume is smaller than neutron stars or 10.000 km. 

I would like to say that I find the prospect of more EM radiation than would be created with total conversion of > 33 suns worth of mass , all collecting together in a volume smaller than 1/2500 the volume of the sun to be more than a little horrifying.

Even if the incoming energy was evenly distributed, I find it difficult to believe that would be a survivable energy density anywhere close than a light-year. 

And all that energy would be traveling at the speed of light, so the black hole would need to form in no more than 1/3 of a second to keep it from escaping.

 

As such, I would be happy to hear that kugelblitz cannot form larger than 10^8m a well.

[Nuke]

3 hours ago, kerbiloid said:

One more dream is broken.

old boom boom or bust.

or both. probably both.

Edited July 29, 2024 by Nuke

[magnemoe]

Now kugelblitze tend to be made of light. Always tough of this as making an dyson sphere, feed the energy into lasers and have the lasers beams intercept. 
Electromagnetic fields are repulsive and you run into serious issues with electricity and material strength long before this. 

[kerbiloid]

Why would anyone need a Dyson sphere around the native star, when it could be built around the nearest neutron star, be just tens of kilometers in diameter, be taking energy directly from the magnetosphere, and be a scoop for various isotopes and antimatter from the monster inside?

Also, it could be just easier to do.
Make the upper layers of the neutron star raise up, form a sphere of whirls, then maybe cause the external ones become solid.

***

What about a single-photon kugelblitz?

If the single photon is evaporating, it should mean that any photon is evaporating, just slowly.

In its turn, it revives the hypothesis of the tired light.
And thus this could be able to explain the red shift without the Universe expansion.

It looks like the Kugelblitzen are what the whole cosmology was based on.

Edited July 30, 2024 by kerbiloid

[magnemoe]

16 hours ago, kerbiloid said:

Why would anyone need a Dyson sphere around the native star, when it could be built around the nearest neutron star, be just tens of kilometers in diameter, be taking energy directly from the magnetosphere, and be a scoop for various isotopes and antimatter from the monster inside?

Also, it could be just easier to do.
Make the upper layers of the neutron star raise up, form a sphere of whirls, then maybe cause the external ones become solid.

***

What about a single-photon kugelblitz?

If the single photon is evaporating, it should mean that any photon is evaporating, just slowly.

In its turn, it revives the hypothesis of the tired light.
And thus this could be able to explain the red shift without the Universe expansion.

It looks like the Kugelblitzen are what the whole cosmology was based on.

I imagine you started up with solar panels and habitats around your planet but it get too crowded and you started expanding out into the planetary orbit. It kind of build itself expanding like cities does. You obviously need to regulate this, Earth orbit got so crowded collision risk and sunlight blocked put an cap on construction. 
An neutron star would be awesome for this I agree but unless you have faster than light travel time is an killer even at .7-.8 c and that cost lots of energy too so even if you could drop junk at it and get antimatter out I don't think its worthwhile until you are going K3.  

An single-photon kugelblitz has problems.
https://www.quora.com/Is-there-a-maximum-amount-of-energy-that-a-photon-can-have
Get more into it but you get an photon with the Planck length wavelength you get an Planck black hole with the Planck time lifespan. 
Tired light I thought is more that light looses energy slowly, pretty disproved as i understand as least for creating an static universe. 

[kerbiloid]

6 hours ago, magnemoe said:

An neutron star would be awesome for this I agree but unless you have faster than light travel time is an killer even at .7-.8 c and that cost lots of energy

Like the Dyson sphere development would take.

6 hours ago, magnemoe said:

Tired light <...> pretty disproved

by the people, who added the dark matter without any physical evidence but observed star motion (i.e. used conclusion as a given), and find normal the infinitely expanding universe (hi, conservation laws! hi, entropy!), i.e. using the theories as solid as the tired light they disprove.

6 hours ago, magnemoe said:

Get more into it but you get an photon with the Planck length wavelength you get an Planck black hole with the Planck time lifespan. 

In this case not the possibility of the kugelblitzen is important itself, but the idea that the encased electromagnetic field is losing energy.

If a big ball of light is dissipating, then a small ball is probably doing the same, just much slower.
And at the Universe scale, this probably means Universal amounts of dissipated energy, maybe comparable to the background emission in whole.

Edited July 31, 2024 by kerbiloid