[hobscoop]

Plasma physicist here. While this is an idea worthy of study, the answer to the (spaceweatherarchive.com) title question is "no". The researcher's article makes simple errors in what they call " undergraduate physics" (electricity and magnetism), in basic plasma physics, and in basic algebra.

As one straightforward example, their estimate of the (change in) Debye length ignores that their equations (2 and 3) are in terms of the square of the Debye length, so the purported change should be only sqrt as large.

As another example, it's not clear why the author focuses on aluminium in the upper atmosphere, or worries about small particles of aluminium shielding the earth's magnetic field from space. While a conductive shell can shield a changing magnetic field, it needs to have long-range conductive paths. A mesh has this property, but a mesh is not the same as a suspended dispersed powder, even if the individual powder particles are conductive on the nano-scale.

[simne]

You first plasma physicist in this topic. I'm electronics engineer, but learn plasma physics also, so I also see very obvious mistakes.

But I also have ballistics knowledge and know about Sun wind and light pressure on particles, and I bet, just light pressure is enough to clear space from powder in very short time. Even if threat is real, will need just few months to clear space from dust.

Simple physics suggests, macroobjects, like satellites of classic size (kilograms and tens centimeters) could for long time be on orbits, because high ratio of mass to square, but microparticles (micrometer scale or less), have much less mass to square ratio, so light just blow them away.

[Natsu]

That said, we're supposedly overdue for a field reversal, which may make the whole field go out on its own:

https://en.wikipedia.org/wiki/Geomagnetic_reversal

So satellites or no, something might happen to it anyway.