https://www.cmu.edu/swartz-center-for-entrepreneurship/educa... lists a certain "Logan Nye, MD". It doesn't give his email address, but I checked a few of the other people and their email addresses don't turn up with the search you linked either.

So I think the GitHub user logannye is most likely a real master's student at CMU, but that doesn't mean he isn't also mass-producing papers of questionable validity with AI.

It seems like he took a leave of absence from CMU to start his company (based on Linkedin)

you post this from an account created 3 weeks ago with karma 3 based on an email search?

The physics paper has been published on a predatory 'open-access' journal, where basically you can pay to publish whatever (ref: https://blog.cabells.com/2021/07/07/no-signs-of-slowing/, look for scirp).

I gave a diagonal reading, it uses the right jargon somehow. They add some new components to the Einstein-Hilbert action they say originate from quantum complexity contributions, to be honest seems completely random, but i'm not an expert. Especially the conclusions look like they have been written with AI.

The 10 citations are almost all self-citing: https://scholar.google.com/scholar?cites=2388097775195172652...