Photon interacting with 1D-boundary

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SUMMARY

The discussion centers on the interaction of photons with a 2D array of atoms, specifically examining unexpected intensity peaks at the boundaries of a 1D system. The system features parabolic electronic bands that touch at the Fermi Energy. The user is exploring the possibility of interpreting these intensity peaks as resonances, considering methodologies such as Feynman diagrams and Fermi's Golden Rule. The user also notes the use of Dark-Field illumination techniques in their experiments.

PREREQUISITES
  • Understanding of 2D atomic arrays and their properties
  • Familiarity with parabolic electronic band structures
  • Knowledge of Feynman diagrams and their application in quantum mechanics
  • Experience with Dark-Field illumination techniques in experimental physics
NEXT STEPS
  • Research the application of Fermi's Golden Rule in photon-atom interactions
  • Explore the implications of resonance phenomena in 2D systems
  • Study the effects of boundary conditions on photon intensity in condensed matter physics
  • Investigate advanced techniques in Dark-Field microscopy for enhanced imaging
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Physicists, materials scientists, and researchers focusing on photon interactions in condensed matter systems, particularly those studying 2D materials and resonance phenomena.

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Good evening fellas,

I'm in a bit of a conundrum: lately I've been considering a 2D array of atoms and the interactions that may arise when studied with photon beams. Up until now, I was using in 3D systems, but when I switched to 2D, I got some unexpected intensity at the boundary of the system which I've been considering 1D for the sake of the argument. It's important to point out that the system studied has parabolic electronic bands and not quadratic, they both touch at the Fermi Energy. I've been trying to use this fact but I'm not sure as to how to attack the problem, I'm sure both things are related.

I've thought about considering this peak as a resonance of some sort, and try to explain it using Feynman diagrams or even Fermi's Golden Rule, but I haven't been lucky so far.

If someone has any idea as to how to approach this, I'll be very grateful

PS I am not sure it's relevant but I'm using Dark-Field iluminations instead of Brigh-Field.
 
Last edited:
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Think you'll have better luck posting this to the Solid State Forum.
 
Okay, i'll do that
 

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