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Human Visual System as a Double-Slit Single Photon Interference Sensor: A Comparison between Modellistic and

Rita Pizzi1, Rui Wang1, Danilo Rossetti1

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This study simulated the double-slit experiment using the human eye as a detector. While simulations suggested photon detection, human subjects did not observe the photon

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Area of Science:

  • Quantum mechanics
  • Quantum optics
  • Biophysics

Background:

  • The Young's double-slit experiment is a cornerstone of quantum mechanics, demonstrating wave-particle duality.
  • Investigating photon behavior at the quantum level with biological sensors presents unique challenges.
  • Understanding the human visual system's sensitivity to low photon counts is crucial for quantum detection.

Purpose of the Study:

  • To computationally simulate the Young's single-photon double-slit experiment using the human visual system as a detector.
  • To compare simulation results with experimental data obtained from human subjects under identical conditions.
  • To evaluate the human eye's capacity for detecting the quantum nature of photons.

Main Methods:

  • A computational simulation algorithm was developed based on the biophysics of the human eye under dim light conditions.
  • Human subjects were tasked with observing a single-photon-at-a-time double-slit experiment.
  • Perceptive parameters were meticulously set using known experimental variables and literature values.

Main Results:

  • Computer simulations indicated that the human eye possesses the theoretical capacity to detect the corpuscular nature of photons.
  • Experimental results from human subjects did not confirm the detection of the photon's particle-like behavior.
  • A discrepancy was observed between the simulation's prediction and the practical experimental outcome.

Conclusions:

  • The human visual system, under the tested conditions, did not practically demonstrate the ability to perceive the photon's quantum nature as predicted by simulation.
  • Further investigation is needed to understand the reasons for the divergence between theoretical predictions and experimental observations.
  • This study highlights the complexities of using biological systems for quantum-level measurements.