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[-] montechristo@feddit.org 24 points 2 months ago* (last edited 2 months ago)

I work on quantum systems coupled to noisy environments (noisy as in causing random fluctuations). Atoms coupled to a light field are my specialty. Anyway, I just got invited by a predatory journal in the field of acoustics, vibrations and noise?!

[-] humblebun@sh.itjust.works 8 points 2 months ago

I left science a long time ago and recently got such an invitation from a Q3 engineering journal on aerodynamics (I worked on quantum systems as well, hi).

I took 3 books on aerodynamics and wrote a paper citing and compiling the texts; adding some chatgpt noise. Really nothing new, just some intermediate equations. The reference section contains these 3 books and 4 recent papers for the introductory part. I sent it several days ago and am awaiting the review.

[-] trolololol@lemmy.world 6 points 2 months ago

Hey, noise is noise. What color is yours, white, pink or blue?

[-] montechristo@feddit.org 4 points 2 months ago

I describe the atoms using a so called Lindblad master equation. The atoms are kept in this description, but the light field is eliminated using two assumptions:

  1. The coupling between the two is very weak.
  2. Correlations between the two decay so fast that this can be considered instantaneous.

The later produces white noise.

[-] trolololol@lemmy.world 4 points 1 month ago

That's cool

In most fields " so fast that's instantaneous" is pretty fast, but in nuclear and quantum physics that's a whole new level.

What is the order of magnitude of your " too fast ”? I will invert that to state the bandwidth in Hertz.

[-] montechristo@feddit.org 2 points 1 month ago* (last edited 1 month ago)

Typical transition frequencies between two levels of an atom are 10^15Hz. The coupling between atoms and light is on the order of the decay rate at which photons are transmitted, which sits at around 10^6Hz.

[-] friendly_ghost@beehaw.org 3 points 2 months ago

I look forward to your original contribution, "Atomic Noise: Acoustic Vibrations at Nanomolecular Scale." Reviewer 2 can suck it, 'cause this one's about to blow up!

this post was submitted on 19 Oct 2024
642 points (99.4% liked)

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