Quantum Double-Slit — Wave Interference Building on Screen
Individual photons are emitted one at a time toward a barrier with two narrow slits, then land on a screen behind it. Even though each photon travels as a single particle, the probability of where it lands follows a wave-interference pattern computed from the path-length difference between the two slits, gradually building the classic fringe pattern from many individual hits.
- Impact position sampled by rejection sampling from |amplitude₁+amplitude₂|² interference intensity
- Two slits separated by an adjustable gap, each emitting expanding wavefront ripples
- Up to 20,000 accumulated photon hits rendered as an additive point cloud
- Demonstrates wave-particle duality: particle-like arrival, wave-like distribution